Aptx, LDAC, SBC, LC3: Understanding everything in Audio Bluetooth Codecs

Geoffroy Husson, you absolutely did not understand the principle of data compression. I invite you to inquire about how 7zip or winrar works. It doesn’t matter that the CD format is a flow rate of 1,411 Mbps. What matters is the compression format and if it fully restores the signal without loss or not. The LDAC is the only compression format to compress the 1,411 Mbps audio signal from a 16/44KHz file and return it without loss within the limit of the use of 990 kbps mode, so the LDAC transmits the entirety of a Signal 1.411 Mbps using a lesser bandwidth.

Bluetooth Aptx HD and LDAC

Listening to wireless music most often rests on Bluetooth. It allows a smartphone to communicate with a helmet or a small portable speaker most simply in the world. In return, this ease of use has a negative impact on audio quality. Flea manufacturers have therefore set up this problem by improving Bluetooth to open up the doors of high definition. Two competing and non -compatible solutions make it possible to achieve this objective: the HD APTX and the LDAC. Let’s discover how they work, their differences with classic Bluetooth and what products allow you to benefit from it.

Small Bluetooth history for music

The initial use of Bluetooth concerned telephony and the various associated kits and earrings in order to be able to make your calls free. Its low speed and a very limited distance between transmitter and receiver made it possible to apply it to other areas such as keyboards/mouse and game controllers. Since Bluetooth is able to pass the voice, why not use it too for music ? The evolution of Bluetooth in its successive versions has listened to the music possible in terms of flow, distance, latency, etc.. It is now aimed at helmets, hi-fi channels, home cinema, sound bars ..

The first two audio codecs applied to Bluetooth were the SBC and the AAC. Quite similar in terms of quality, they offer listening equivalent to the compressed mp3 with loss. It is acceptable but far from high-fidelity listening, and even more from the hi-res.

Bluetooth Audio is still young technology since the first Bluetooth helmet was released in 2004. As for the in-auricular True Wireless, that is to say two Bluetooth mini-listens inserted in the ears, they appeared in 2015. The need for an improvement in audio quality offered by Bluetooth quickly established itself.

Two companies have decided to work on this subject: Qualcomm and Sony. They were invested to go further than the simple improvement of codecs equivalent to mp3 quality. These two audio treatment specialists invented high definition Bluetooth capable of exceeding CD quality despite the strong constraints inherent in this low -distance wireless technology at very short distance.

What is the Aptx standard ?

APTX means Audio Processing Technology. Developed for professional needs at the end of the 80s, this audio codec ended up being integrated into Bluetooth. The first Bluetooth Aptx helmets were released from 2009. Eager to go further, Qualcomm created the APTX HD in 2016 to offer hi-res quality. Subsequently, other variations appeared: the Aptx adaptive to modulate the flow according to the source and the APTX LL to reduce the latency inherent in Bluetooth technology.

But in reality, the Bluetooth Aptx HD, for High Definition, arrives at its ends by deceiving our ear. Because Bluetooth still does not allow to have real hi-res naturally. The speed is not sufficient, the objective of the HD Aptx is to bear the hi-res in 48 kHz/24 bits while compressing it intelligently. This compression of a 1: 4 ratio is destructive. Information is missing that the codec will try to camouflage as intelligently as possible.

What is LDAC standard ?

Sony LDAC means Lossless Digital Audio Codec. Released in 2015, only on Sony products at the start, the LDAC came to compete with the APTX even before its HD version was revealed. As its name suggests, its objective is to offer a compressed bluetooth audio codec without loss. The difference is therefore size with its direct competitor. However, the reality is slightly different.

Bluetooth flow is always limited for the audio part. Sony maximizes its use by going up to 990 kbps, almost three times better than the Aptx and twice better than the APTX HD. To do this, the connection between the transmitter and the receiver must be perfect, otherwise, the flow is revised down automatically. Even in the event that it is maximum, the hi-res supposed to be delivered is affected by destructive compression. However, Sony does not apply it in the most audible frequencies, only in high frequencies and low amplitude. The LDAC is therefore a mixture of compression without loss and with loss.

Which Bluetooth to choose: Aptx or LDAC ?

First of all, few helmets integrate compatibility with the two codecs. You should also know that the intra-ear models capable of supporting the HD APTX or the LDAC are counted on the fingers of one hand to this day. On the side of smartphones, all the Android of the latest generations support all the codecs. But on the Apple side, the iPhone is not the friend of the audiophiles because it does not know the hi-res and remains blocked on the AAC basic codec.

If your equipment leaves you the choice between Aptx HD and LDAC, the second is logically preferable when the maximum speed can be ensured. Compared to the minimum flow of LDAC, the HD APTX is qualitatively higher. And the height of complexity, smartphones do not indicate the real -time flow of the LDAC to find out if you take full advantage of its possibilities or not. If you have an expert ear, maybe you can detect it !

On the latency side, the table below indicates the minimum time and not an absolute time. It varies enormously according to the devices: from one smartphone to another it can double. If this point is essential, then select the Low Latency Aptx and make a cross on high resolution Bluetooth.

QualitySpeedCompression ratioWith (lossy) or lossless (lossless)Latency Aptx48 kHz/16-bit384 kbps1: 4Lossy120 ms Aptx HD48 kHz/24-bit576 kbps1: 4Lossy150 ms Ldac96 kHz/32-bit303 at 990 kbpsvariablelossless (CD) Lossy (Hi-Res) 180 ms

The best Bluetooth Aptx helmets

Shure Aonic 50 – 299 €

Coming from professional audio, Shure quickly made a name for himself in headsets with the general public with the Aonic 50. This headset with active noise reduction benefits from high sound quality doubled with a solid construction.

Beyerdynamic Amiron Wireless – 549 €

The Amiron Wireless is a bluetooth declination of the Filan Home Home Helmet. He takes up the exemplary comfort by adding the adaptation of the sound to your ear via a dedicated app. We find the crystalline sound that makes the brand’s helmets success.

Hifiman Ananda BT – 899 €

Planar magnetic helmets usually dedicated to sedentary use are also entitled to their Bluetooth version. This is the case of the Hifiman Ananda Bt. It competes without problem the wired models, with more freedom and always the large bandwidth specific to this transducer technology.

The best LDAC Bluetooth headsets

Audio-Technica ATH-M50XBT2- 199 €

This audio-technica helmet has become an almost universal reference. Declination of a widely used helmet in recording studios, it takes up the sound characteristics by adding the practical side and one of the most important autonomies in the field of Bluetooth helmets.

Technics EAH-A800- 349 €

Technics returns in force on the helmet market with intra-ear and this premium Bluetooth helmet compatible LDAC. The acoustic design is particularly neat for a nomadic helmet and the autonomy is gigantic.

Sony Wh-1000XM4- 349 €

Sony continues to be seen as the reference of the Bluetooth helmet with the 1000xm4. And right because this model incorporates the best in terms of noise reduction, ergonomics and sound quality. Sony obliges, it is a real showcase for the LDAC codec.

Aptx, LDAC, SBC, LC3: Understanding everything in Audio Bluetooth Codecs

To listen to music with a helmet or Bluetooth headphones, there are many codecs. But what is the best Bluetooth audio codec ? SBC, LC3, Aptx, Aptx HD, APTX Adaptive, LDAC, SSC Hi-Fi, we take stock of the differences between each.

For several years, Bluetooth has been combined with codecs, at least for audio. It must be said that if an analog connection – by a jack for example – makes it possible to recover the entire sound signal of the device to your ears, this is not the case with Bluetooth. By default, the A2DP profile, which makes it possible to manage all audio transmissions by Bluetooth, uses a codec, SBC, integrated into all smartphones, all PCs, all headphones and all headphones.

Nevertheless, it may tend to largely compress the sound signal. This is why we have seen other types of codecs appear, whether it be Aptx, Aptx HD, LDAC, AAC or Last arrival, LC3. However, these require that the helmet and the smartphone are compatible. Each of these codecs can have its strengths, but also its weaknesses and we will therefore explain everything to you on the best way to get the best possible sound for your helmet, your headphones or your Bluetooth speaker.

What is a bluetooth codec ?

The very principle of codecs lies in their names. These are in fact systems to define the encoding of a file – “CO” – as well as its decoding – “DEC”. In other words, to be able to take advantage of an audio codec, the file must be encoded on one side – generally at the level of the smartphone, the PC, the TV, the car radio – and that it is decoded with the Other – at the level of the helmet, headphones or Bluetooth speaker.

Concretely, to take advantage of listening to a file transmitted to LDAC for example, your smartphone and your helmet will have to be both compatible with LDAC. If your helmet is only compatible with the SBC codec, your smartphone will only transmit the file to SBC.

Fortunately, for Android smartphones at least, the overwhelming majority of models are now compatible with all the most popular audio codecs. We will thus find SBC and AAC, but also Aptx, Aptx HD and LDAC. It is more in terms of reception that it blocks. Indeed, on in-ear headphones for example, most of the time we only find the AAC and the SBC. It is only for high -end headphones that the manufacturer provide support for APTX, HD APTX and LDAC.

To assess the quality of a codec, several criteria can be taken:

The maximum bitrate

Bitrate, or debit in good French, is the amount of data transmitted in an agreed time. Generally, in the audio field, we are talking about KBPS-that is to say kilobits per second-or Mbps-megabits per second.

The higher this flow, the more a large number of data can be transmitted, the higher the sound quality … on paper. Indeed, after a certain cap – that of bitrate of the original audio file – a faster flow will no longer be useful. Indeed, if you listen to an MP3 file encoded in 192 kbps, it doesn’t matter if the bluetooth flow is 256 or 320 kbps.

In addition, for an identical flow, two files using different formats – for example MP3 and AAC – may have quality differences, AAC being a more qualitative format than the MP3 with equal debit. It is also the LC3 that promises, to bitrate identical, better audio quality than SBC.

Latency

This is one of the main concerns of Bluetooth, especially on Android. There may be a very strong latency of the Bluetooth signal. Concretely, this means that between the moment when the smartphone is going to calculate a sound and the one you will hear it in the ears, it can flow up to half a second. This latency, many actors work on it. This is the case of Qualcomm, which offers Bluetooth chips to many manufacturers.

For videos, the developers have managed in recent years to counterbalance this latency in order to take it into account when reading. So you can watch a video on YouTube or Netflix without hearing a gap between the sound and the image. It is however more complex for video games where, by definition, the action takes place in real time as you play and therefore without possible anticipation. Certain codecs such as the Low Ltency Aptx aim to reduce this latency to 40 ms. Problem: this codec is only supported by very few headsets and Bluetooth headphones.

The compression

The very principle of a codec is that it will compress a file to send it to Bluetooth before it is decompressed at the reception. In fact, with the exception of AAC, all Bluetooth codecs will therefore compress the files. Who says compression, says files which will therefore have a lower audio quality in bluetooth than in wired. Generally, Bluetooth codecs, especially the most basic with a low speed, will therefore delete the most serious and acute frequencies. Dynamics – that is to say the difference between the strongest and weakest – can also be reduced. Overall, we will therefore have compression with loss.

Nevertheless, some audio codecs, such as the LDAC or the HD APTX, tend to offer less compression. They will be more recommended for listening to title with high sound quality such as lossless files. Obviously, the compression will always be there, but the flow of these codecs can reduce it.

SBC, Bluetooth default codec

As explained earlier, SBC is the Audio Codec used by default in the Bluetooth. In fact, it is therefore the codec that will be used in all helmets, headphones, smartphones, tablets or computers to send or receive sound by Bluetooth.

Nevertheless, you feel it coming: if other codecs have been developed thereafter, it is that the SBC presents some flaws. The first of them is the latency of this codec. As we explained in a previous article, the audio by Bluetooth is not transmitted by latency. With the SBC, the latency can be particularly long, of the order of 300 ms. It will generally be offset on smartphone when you watch videos, but is not for mobile game for example.

The other concern for the SBC is its flow. It is indeed variable, from 127 to 345 kbps depending on the conditions, the number of channels – mono or stereo – or quality – high or medium. In fact, it will therefore be enough to listen to MP3 files encoded in 128 kbps, or even in 256 or in 320 kbps, but will not fully allow a title in CD quality, at 44.1 kHz on 16 bits, for a flow rate of 1,411 Mbps.

The AAC, a codec that is not a

The AAC has the interest of being particularly well managed by Apple products. If the name of the codec is similar to that of audio files, this does not mean that there is no compression of the file. It is therefore a transmission with compression, to transform a PCM signal and encode it in AAC.

Alongside the SBC, the AAC is the codec most often supported by the various devices, whether it be helmets, headphones or smartphones. Be careful however, all AAC encoders are not equal and the encoder offered by Apple is often much better than what certain Android smartphones will offer.

The AAC codec will be limited to a bitrate going up to 250 kbps.

Overall, the AAC codec is very well supported by manufacturers. Widely highlighted by Apple, it has also been adopted by many headphones or headphones manufacturers.

LC3, the Audio Codec of the future

In the last quarter of 2022, more and more headphones and headphones are announced as compatible with Bluetooth audio. This new standard is destined to be adopted, in terms of all the players in the industry, in the same way as the SBC, and is one of the integrated features within Bluetooth 5.3.

Concretely, the Bluetooth Audio adds several features such as auracast – to connect several headsets or headphones to the same source – or multistream – to natively manage the headphones. The most interesting function is however the LC3, a new codec natively integrated into Bluetooth audio.

This codec does not intend to offer a bitrate of better quality than SBC. It remains indeed capped at 345 kbps. However, the promise of the LC3 is beautiful since, according to the Bluetooth SIG – the consortium which manages the Bluetooth standard – the LC3 offers better quality at Bitrate equal. Concretely, a file passing through LC3 to 345 kbps should therefore keep more sound quality than if it had been transmitted via SBC at 345 kbps.

Above all, one of the assets of the LC3 lies in its best management of bitrate. According to the Bluetooth GIS, the LC3 could use a bandwidth of 64, 96, 128, 192, 248 or 345, while each time keeping sufficient audio quality. A good way to maintain good sound quality, even in an area congestioned by Bluetooth connections.

Another interest of the LC3 in relation to the SBC: its greatest dynamic. The codec thus promises a depth of 32 bits, against 16 bits for the SBC. Enough to pass the dynamic range of a 96 dB piece to 1528 dB for more precision.

Finally, one of the interests of the LC3, on paper, is also to offer a much lower latency, of the order of 20 ms, and therefore less offset in the use of a video game from a helmet or Bluetooth headphones.

If many helmets and headphones launched in 2022 are announced as “Compatible with Bluetooth audio and LC3”, No model is yet exploited these new standards. It must be said that rare are still smartphones to have activated it. We could nevertheless be entitled later in the year or from 2023 with the updates of several models such as the Google Pixel 7 or the iPhone 14.

The Aptx, the rise in quality

The Aptx is probably the most popular of audio codecs, in the sense that it is one of the oldest. It was indeed developed in 1980, but really took off in the mid -2010s as part of Bluetooth.

Now owned by Qualcomm, the Aptx has been natively integrated into Android since 2017. Consequently, all recent Android smartphones and tablets are therefore compatible with this Codec. This is unfortunately not the case for all helmets or headphones. The codec is indeed rare on True Wireless headphones and especially used on high-end Bluetooth headsets like the Sony Wh-1000xm3.

On the side of the technical advantages of the Aptx, we will especially cite its flow, higher than the SBC. The codec allows a maximum speed of 384 kbps, higher than the SBC. Enough to offer loss audio quality for MP3 files at 320 kbps. Nevertheless, as we explained previously, this can also be the case for SBC in stereo with high quality.

Where the Aptx will stand out from the SBC, it will therefore be especially at the latency. While the Bluetooth default codec offers only a latency around 300 ms, the Aptx is better, around 120 ms. However, it remains long enough to create a gap in mobile games, which is why a derivative codec was created, the Low Ltency APTX, with a latency of 40 ms. Few of the helmets, headphones and speakers to take advantage of it.

The HD Aptx

The APTX HD was launched in 2009. The main interest of this codec is its maximum flow, which can rise up to 576 kbps. It can therefore allow the transmission of files always compressed, but with less loss than the conventional Aptx.

The codec also has the advantage of being configurable. It can thus be adjusted to have a particularly low encoding time, of the order of 1 ms, by modifying the level of compression of the sound. Nevertheless, latency is more important than on the classic Aptx, which can reach 200 ms.

Another advantage of the HD APTX is its retrocmpatibility with the APTX. Concretely, this means that you can very well use a source, like a smartphone – all Android models manage this codec -, Aptx HD compatible with a helmet that is only compatible with the APTX codec. However, you will not be able to take advantage of the HD APTX on this helmet, but in case you use a player that only manages the HD APTX, and not the classic APTX, you can still connect it to a Aptx helmet.

The Aptx HD is available on high -end Bluetooth headsets or speakers. We think in particular of the Sony Wh-1000XM3, but also of the Bower & Wilkins PX4 or the Audio-Technica ATH-DSR9BT. However, it remains much less popular than the classic Aptx.

The APTX Adaptive

The Aptx Adaptive is the latest Aptx recipe unveiled by Qualcomm in 2018. It is, as its name suggests, an adaptive bluetooth codec which will therefore be able to adjust itself between quality and stability.

We will not have a constant flow, but a variation ranging from 276 kbps to 420 kbps. The idea here is to make it possible to best manage the connection according to if your smartphone and your helmet are distant, with obstacles between the two, or nearby. In the first case, it is a low speed that will be privileged, to ensure a better connection. In the second, it is a high flow that will be chosen, to ensure the best possible sound quality. The same goes for the quality of the file. If you listen to a title encoded in MP3 at 256 kbps, the Bluetooth transmission has no interest in mounting up to 420 kbps.

On the side of the latency too, the adaptive APTX is doing properly. Depending on the configuration chosen by the transmitter, it may be 50 to 80 ms. It is certainly not as fast as the Low Latency Aptx, but it is considerably better than the SBC, the APTX or the APTX HD.

Like the Aptx HD, the adaptive version is also retrocompatible. We can therefore use an appliance in Adapative Aptx with an Aptx or Aptx HD compatible receiver.

For the time being, the codec is nevertheless very little offered. We will natively find it on Android, but only on a handful of audio devices, including the Bang & Olufsen Beoplay H95 or the Yamaha YH-E700A.

Aptx lossless, CD quality under license

The Aptx HD was not enough for Qualcomm who announced, in two stages, its own codec called “Lossless”, competitor of the LDAC of Sony.

Qualcomm first announced, in March 2021, its Snapdragon Sound platform, aimed at labeling smartphones, helmets and headphones using some of its high -end chips capable of delivering excellent sound quality. A few months later, in September 2021, the equipment manufacturer, essential in the audio field, announced its new Hi-Fi vocation codec: the APTX Lossless.

This codec therefore aims to offer quality equivalent to CD via Bluetooth transmission. He should go up to a bandwidth of 1 Mbps, beyond the 990 kbps promised by the LDAC.

Nevertheless, it is clear that the APTX Lossless still struggles to convince. More than a year after its announcement, there are rare products to be compatible with the Codec. This is the case for Nura Pro Pro Pro, but they are currently the only on the market. It must be said that, unlike the Aptx HD or the classic Aptx, the Aptx Lossless is not an open codec, natively integrated into the specifications of the Bluetooth Sig. Brands which therefore wish to make their products compatible must therefore buy the license from Qualcomm.

The LDAC

The LDAC is Sony’s house codec that the Japanese brand has popularized thanks to its own devices. Since 2017, it has directly integrated the Android source code, theoretically allowing all smartphones and tablets under the Google system to take advantage of it.

Like the adaptive Aptx, the LDAC is an adaptive codec. Only, then unlike its competitor, the adaptation will not be done only automatically, but also on demand the user. The Codec offers three different configurations: quality priority mode, normal mode or priority mode for connection. Depending on the mode chosen, the codec will thus regulate the transmission rate. Thus, the LDAC offers priority to connection with a speed at 320 kbps, a normal 660 kbps mode and a quality mode at 990 kbps. These are obviously maximum theoretical flows and it will be rare to reach this quality.

With the quality mode, the codec should therefore allow you to go up to almost 1 Mbps. It is certainly below CD quality, at 1,411 Mbps, but the Codec approaches it. It is therefore a codec that will compress the sound with loss, but much less than its competitors.

On the latency side, the LDAC does not do much better than its counterparts with a transmission which can put an average of around 200 ms. We are therefore entitled to a similar delay between reading the file and its listening to what the SBC, the AAC or the APTX HD offer.

LHDC 4.0, in Huawei and Xiaomi

Less known than Sony’s LDAC and Qualcomm APTX, the LHDC is however adopted by several manufacturers of smartphones and headphones or headphones. Promoted by the Hwa Alliance Consirtium since 2018, this Codec is now in its fourth version with the LHDC 4.0.

Like the LDAC or the APTX, the LHDC 4.0 is capable of varying the bitrate Depending on the signal stability between 400, 560 or 990 kbps. It also benefits from a 24 -bit depth, for a dynamic range of 144 dB, and a sampling rate of 96 kHz. Like the LDAC, the LHDC also benefits from hi-res audio certification and therefore allows headsets and headphones that are equipped with displaying the logo on their box.

The LHDC also benefits from a low latency variant allowing the transmission of audio files in 30 ms.

If several helmets and headphones manufacturers now incorporate the LHDC codec into their products, and the codec now incorporates the Android Open Source Project, all manufacturers do not natively offer it. We find it mainly on Chinese smartphones and tablets: Huawei, Oppo, OnePlus and Xiaomi.

The HIFI SSC, the Samsung sauce codec

Samsung has long offered its own Bluetooth audio codec, the Samsung Scalable Codec. In 2022, the Korean manufacturer went further by announcing a new codec, while keeping the same acronym: the Samsung Seamleass Codec Hi-Fi, or SSC Hi-Fi.

It is in fact a codec, which we still do not know most of the details, except that the Korean manufacturer promises a 24 -bit transmission, in place of the 16 bits allowed by the classic SBC codec. Concretely, this allows, on paper, to sample the different data on a dynamic range of 144 dB and not on 96 dB. Concretely, this will above all have an interest in titles encoded in CD quality or beyond, since MP3 files, for example, are natively encoded on 16 bits.

Samsung did not publish the details of his SSC Hi-Fi. It is therefore still unknown its complete characteristics, with the exception of 24 -bit depth. Nevertheless, the WHATHIFI site was able to learn that the HI-FI SSC allows a transmission with a sampling rate of 48 kHz, for a speed of 584 kbps. We are therefore below what codecs can offer like the LDAC or the APTX HD.

Above all, the SSC Hi-Fi codec is exclusive to Samsung devices. To take advantage of it, you will not only have to have a Samsung smartphone or tablet on hand under one UI 4.0, but also the Samsung Galaxy Buds 2 Pro, only headphones compatible with the SSC.

What is the best Bluetooth audio codec ?

In order to summarize everything and be able to discover at a glance the differences between each codec, here is a table incorporating the characteristics of each

Max	Latency	Distribution
Sbc	345 kbps	200 ms	All Bluetooth devices
AAC	250 kbps	200 ms	Most Bluetooth devices
LC3	345 kbps	20 ms	Ultimately, the majority of Bluetooth devices
Aptx	384 kbps	150 ms	All Android devices, some helmets and speakers
Aptx HD	576 kbps	200 ms	All Android devices, some helmets and speakers
APTX Adaptive	420 kbps	50 to 80 ms	All Android devices, some helmets and speakers
Aptx Lossless	1 Mbps	Unknown	Few compatible devices
Ldac	990 kbps	200 ms	All Android devices, some helmets and speakers
LHDC	990 kbps	Unknown	Essentially the OnePlus, Huawei, Oppo and Xiaomi devices
SSC Hi-Fi	584 kbps	Unknown	Some Samsung devices

Overall, we see, each codec will have its strengths and weaknesses. If it offers the lowest transmission rate, the SBC is however available on all Bluetooth products. The Aptx is a more balanced codec in its latency and its flow, but with a lower adoption. Finally, the two best codecs in terms of sound quality (LDAC) and latency (adaptive Aptx) are only used on a handful of products.

Audio codecs on Android, iOS and Windows 10

It is good to know what are the best codecs, both in terms of flow and latency. But you still have to make sure that your equipment is compatible. The easiest way for helmets or speakers is to refer to our product sheets directly.

As for transmitters, whether it be smartphones, computers or tablets, we take stock of each type of product

Android smartphones and tablets

As we have seen, Android has swallowed many Bluetooth audio codecs now available directly in the operating system code. Android smartphones and shelves are therefore all compatible with SBC, but also AAC, APTX, HD APTX, Adaptive APTX and LDAC. You can also find some smartphones compatible with the APTX Lossless and with the LC3 when it is indicated. Samsung on his side highlights his SSC codec while Huawei, Oppo and Xiaomi promise the LHDC.

iPhone and iPad

For its part, Apple plays the card of technological conservatism, as often. Its smartphones and tablets are thus compatible only with the basic codec of Audio Bluetooth, the SBC, as well as with the AAC. Logical when we know the role that the firm had to popularize this type of file. However, we expect the arrival of the LC3, natively integrated into Bluetooth, on the iPhone 14 and the AirPods Pro 2 via update.

macos

It is for macOS as for iOS. The Apple computers system is only compatible with two codecs: AAC and SBC.

Windows 10

Natively, Windows obviously manages the SBC. However, Microsoft also confirms supporting the classic APTX in its operating system. Nevertheless, to take full advantage of it, your Bluetooth card must still be your mother card or a USB transmitter-also compatible with APTX. The main problem on Windows is that the system does not allow to know which codec is used for audio transmission.

Audio codecs, what is it really for ?

Now that we have taken stock, remains the question of the use of these codecs. Indeed, as we have seen, some offer excellent audio quality when the optimal conditions are met. This is particularly the case of the LDAC which can go up to a transmission flow of 990 kbps.

But to really enjoy it, you still have to need it. Indeed, when it comes to digital music, there are many users with listening files encoded in 256 or 320 kbps. It must be said that on the main online streaming platforms, the maximum quality offered is the MP3 at 320 kbps. It is not a bad file format in itself and it will be more than enough for many cases. But with this type of file and such a flow, it may seem useless to search at all costs a codec which allows you to go up to 1 Mbps while the SBC is enough to cover this use.

It is this approach that was adopted by Apple. It is for this reason that the manufacturer did not rush to the different forms of Aptx or the LDAC. He considers that the SBC – and the AAC – is more than proposed to offer correct audio quality. And Apple is not the only one to have made this decision. If Sony has proposed all the Bluetooth codecs on the WH-1000XM3, it only kept the SBC, the AAC and the LDAC on its WH-1000XM4. And its main competitor in noise reduction helmets, Bose, took the same approach as Apple. In Bose, no trace of Aptx or LDAC, only the SBC and the AAC are supported. And given the seniority of the manufacturer in this area, difficult to see a simple forgetfulness or a whim.

The Bluetooth HD codecs will only have real interest if you listen to suitable audio files, that is to say titles in CD quality (16 bits at 44.1 kHz) or in HD quality (24 or 32 bits to 48, 96 or 192 kHz).

In addition to that, you still have to have the helmet, the headphones or the suitable speaker. With a helmet for the general public, even compatible LDAC or Aptx HD, it will often be difficult to differentiate between two codecs. It must be said that the acoustic characteristics of the helmet can be limited and not allow you to make the most of the original quality of the file.

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[…] Like the one visible in photo above will offer excellent audio quality with an Aptx-HD codec for example […]

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[…] More expensive do not necessarily do. As such, the Sennheiser 350 helmet is compatible with the AAC, Aptx and Aptx Low Ltency codecs. Thanks to the latter, you can watch movies and series without noticing a gap between […]

What are the best Bluetooth (wireless) helmets for Christmas 2022 ? – Blog

[…] Luckily, today’s references have serious arguments to argue, like the Aptx or LDAC codecs. If you are big music consumers and you are looking for a new companion of […]

How the Oppo Find X6 Wants to Make A Breakthrough in Sound

[…] Socs on the market ”, Writes Oppo without specificing who the brand compares to. Recall that the Bluetooth Audio Codec by Default, the SBC Offers A Bandwidth of 320 KBPS. We can therefore Count on a bandwidth offered […]

These French and noise reduction headphones allow you to play without latency – blog

[…] Have 6 mm transducers and Bluetooth 5 compatible.2 with support only AAC and SBC codecs. Divacore promises up to 7 hours of autonomy with headphones alone and 9 p.m. […]

Apple TV test 4K (2022): a breathtaking image (and sound) quality – blog

[…] Compatible with all the audio flows distributed by SVOD and music services: AAC, ALAC, FLAC, DOLBY DIGITAL, DOLBY DIGITAL PLUS and DOLBY DIGITAL PLUS with metadata DOLBY ATMOS (DD+ JOC). […]

Simple marketing or innovation: what these new logos of smartphones mean these new logos ? – Blog

[…] Sound, you must notably have the right to lossless audio, without compression, with the Aptx Lossless Codec. So the two devices, the smartphone and the helmet must benefit from […]

What do these logos mean for your smartphones – LBE NEWS

[…] Sound, you must notably have the right to lossless audio, without compression, with the Aptx Lossless Codec. So the two devices, the smartphone and the helmet must benefit from […]

Smartphones without jack: the best solutions to listen to music – blog

[…] If you are looking for a good quality and inexpensive audio helmet, the Sennheiser 350BT is clearly the reference that we advise you. The product offers a strongest construction. It is compatible with the AAC, Aptx and Aptx Low Ltency codecs. […]

Focal Bathys test: an exceptional helmet with the old perfectible – blog

[…] A partition and a wooden floor on the signal path. This observation is valid regardless of the Bluetooth codec used: SBC, AAC, Aptx or Aptx […]

Our selection of the best Bluetooth headsets from 2022 – Kabdel

[…] Luckily, today’s references have serious arguments to argue, like the Aptx or LDAC codecs. If you are a great consumer of music and you are looking for a new one […]

How Qualcomm has become a giant of wireless headphones without selling any – Fandroid – Blog

[…] Since many headphones or helmets incorporating a Qualcomm chip also offer the Bluetooth Maison de la firm audio codecs, the Aptx HD, the APTX adaptive or the APTX Lossless. But it would be […]

Qualitat d’AUDIO, ús Compartit de Música, Còdec LC3. Tot sober el nou estàndard Bluetooth – Blogyv.Com

[…] D’AUDIO Bluetooth the introduceix a nou còdec d’AUDIO Bluetooth numenat LC3 (CODEC of Comunicació de Baixa Complexitat), that Integur Als […]

Bluetooth audio: Calidad de Audio, Compartición de Música, Códec LC3… Todo lo that Necesitas Saber sober el nuevo estándar Bluetooth – Sunizi

[…] Estándar Bluetooth The audio preseta a nuevo códec de audio Bluetooth fijado lc3 (Códec de Comunicación de Baja Complejidad), that Debe Integrarse in Telefonos […]

The Xiaomi 12x + Buds 3 pack returns to a great price during French Days – Blog

[…] To deliver a hi-fi sound, here, we will not find an LDAC codec or the APTX, but the AAC and classic SBC codecs which do not allow to offer a flow beyond 400 […]

Devialet Gemini: These premium wireless headphones are 40 % cheaper than when they released – Blog

[…] For the audio part, the headphones have 10 mm high-efficiency speakers with a frequency response of 5 Hz to 20 kHz. Once adjusted the settings in the equalizer, the sound turns out to be clear and detailed, whatever the musical style. No need to increase the volume to take full advantage of it. Otherwise, they support the AAC, SBC and Aptx codecs. […]

Devialet Gemini: These premium wireless headphones are 40 % cheaper than when they released – Euroamerican

[…] For the audio part, the headphones have 10 mm high-efficiency speakers with a frequency response of 5 Hz to 20 kHz. Once adjusted the settings in the equalizer, the sound turns out to be clear and detailed, whatever the musical style. No need to increase the volume to take full advantage of it. Otherwise, they support the AAC, SBC and Aptx codecs. […]

These premium wireless headphones are 40 % cheaper than their release – Inovamakerlab

[…] For the audio part, the headphones have high-performance 10 mm speakers with a frequency response of 5 Hz to 20 kHz. Once adjusted the settings in the equalizer, the sound turns out to be clear and detailed, whatever the musical style. No need to climb the volume to take advantage of it rendered. Otherwise, they smoke in charge of the AAC, SBC and APTX codecs. […]

Ultimate Ears Wonderboom 3 test: the small 360 ° sound queen – blog

[…] Ears Wondeboom 3 with an iPhone 13 Pro Max and a Xiaomi Mi 11 Lite 5G, in Bluetooth SBC (only Bluetooth Audio Codec supported), from Apple Music. No difference is detectable according to […]

Test of the Samsung Galaxy Buds 2 Pro: a good evolution of comfort without a sound revolution – Euroamerican

[…] Buds 2 pro lies in the choice of samsung codecs. Naturally, we will find the two most widespread Bluetooth audio codecs on the market, namely SBC and AAC. But the Korean firm goes more […]

„Google Pixel 7“ Turės Didelį pranašumą belaidėms ausinė ir ausinėms – Chiaplot

[…] Turite suprasti, kaip veikia klasikinis „Bluetooth“ guys. Jis Pagrįstas A2dp Profiliu Ir Bluetooth Garso Kodekas Ypač Suspaudžiamas SBC. Tiek Daug, Kad Daugelį puts gamintojai toliau kūrė efektyvesnius […]

The Google Pixel 7 will take advantage of a major asset for headsets and wireless headphones – Finasteridetabs

[…] Understand how classic Bluetooth audio works. It is based on the A2DP and Bluetooth SBC Audio Codec profile particularly compressible. So much so that over the years the manufacturers […]

The Google Pixel 7 Will Benefit from a Major Advantage for Wireless Headphones and Earphones – Brightside

[…] MUST FIRST UNDERSTAND How Classic Bluetooth Audio Works. It is based on the A2DP Profile and the Bluetooth Audio Codec Particularly Compressive SBC. So much so that, for years, manufacturers have continued to develop […]

At -50 %, the Xiaomi Redmi Buds 3 will become more recommendable -Blog

[…] 3 Pro are equipped with a transducer 9 mm in diameter and are only compatible with the AAC and SBC codecs. If they do not shine particularly by their sound rendering, with in particular bass […]

At -50 %, the Xiaomi Redmi Buds 3 Official become more recommendable | M-HOST

[…] Are equipped with a transducer 9 mm in diameter and are only compatible with the AAC and SBC codecs. If they do not shine particularly by their sound rendering, with in particular bass […]

At -50 %, the Xiaomi Redmi Buds 3 will become more recommendable | Sendigital

[…] 3 Pro are equipped with a transducer 9 mm in diameter and are only compatible with the AAC and SBC codecs. If they do not shine particularly by their sound rendering, with in particular bass […]

The cheap wireless headphones of OnePlus are even more affordable for less than 30 € – Kindycoder

[…] If we can regret a lack of sharpness in the treble. They are compatible only with the SBC and AAC codecs, and do not offer Blutooth […]

Momentum 4 Wi-Fi: Sennheiser launches his noise reduction helmet with revised and corrected arrangement | M-HOST

[…] For sound restitution, the Wi-Fi Momentum includes two 42 mm diameter transducers. Enough to ensure, according to the German manufacturer, a frequency and 2,000 Hz seizure of a frequency response. He also benefits from Bluetooth 5.2, Multipoint Bluetooth technology and a Strengthen of SBC, AAC, Aptx and Aptx adaptive codecs. […]

Momentum 4 Wireless: Sennheiser launches her noise reduction helmet with a reviewed and corrected design – Euroamerican

[…] For sound restitution, the 4 Wireless Momentum incorporates two 42 mm diameter transducers. What ensure, according to the German manufacturer, a large frequency response, from 6 to 22,000 Hz. He also benefits from Bluetooth 5.2, Multipoint Bluetooth technology and support for SBC, AAC, Aptx and Aptx adaptive codecs. […]

Sennheiser launches her noise reduction helmet with a revised and corrected design –

[…] For sound restitution, the 4 Wireless Momentum incorporates two 42 mm diameter transducers. What ensure, according to the German manufacturer, a large frequency response, from 6 to 22,000 Hz. He also benefits from Bluetooth 5.2, Multipoint Bluetooth technology and support for SBC, AAC, Aptx and Aptx adaptive codecs. […]

Windows 11: News, required configuration, installation, download, all about the Microsoft system – Blog

[…] Improvement of Bluetooth and management of the AAC codec […]
Election the best cheap headphones at less than 100 euros-U-News

[…] More expensive do not necessarily do. As such, the Sennheiser 350 helmet is compatible with the AAC, Aptx and Aptx Low Ltency codecs. Thanks to the latter, you can watch movies and series without noticing a gap between […]

Sennheiser Momentum 4 Wireless: the competitor of Bose and Sony will wear a more modern manufacture | M-HOST

[…] The quality of the calls, will integrate an automatic live and compatibility with the Aptx and Aptx adaptive codec. According to Canada Computer Systems & Electronics, the helmet will be offered at a price of 450 dollars […]

Polk Sign S4 test: Gifted for the return of voices – Kindycoder

[…] Bluetooth and can receive music from a smartphone or any other Bluetooth source (SBC codec). Finally, a USB-A port is present for possible updates to […]

Sign S4 Polk Test: Gifted for the return of votes

[…] Bluetooth and can receive music from a smartphone or any other Bluetooth source (SBC codec). Finally, a USB-A port is present for possible updates to […]

For the end of the Prime Day, Samsung premium headphones are at a reduced price – Euroamerican

[…] Very present and a perfect balance of mediums. True Wireless are compatible with classic SBC and AAC codecs, but we will not be able to find the APTX or the LDAC. Finally, multipoint Bluetooth is also […]

A -37 %, the Jabra Elite 3 are always more comfortable in the scale – Inovamakerlab

[…] Is desirable to see that the listeners benefit not only from the SBC codec, but also from the Aptx. Finally, according to Jabra, they offer a response to a frequency of 20 to 20,000 […]

For the end of the Prime Day, Samsung’s Top Fee headphones are at a reduced price | M-HOST

[…] Very present and a perfect balance of mediums. Wi-Fi accurate are compatible with classic SBC and AAC codecs, but we will not be able to find the APTX or the LDAC. Finally, multipoint Bluetooth is also […]

ONEPLUS NORD BUDS test: our full opinion – headsets and headphones

[…] Headsets are however only compatible with the Bluetooth AAC and SBC audio codecs with a frequency response of 20 to 20,000 […]

Yamaha launches wireless headphones for athletes and audiophiles – Zetsense

[…] 6mm 드 지름 to its sports headphones. Bluetooth 5.2 및 기타 제품 과 호환 됩니다 됩니다. Bluetooth 오디오 코덱 AAC, SBC 및 Aptx 적응형. Sil’on find an Ambient Sound mode to hear external noises, […]

Yamaha launches wireless events for athletes and audiophiles – Netcnet

[…] 6 mm in diameter to its sports headphones. It is only compatible with bluetooth 5.2 and Others Bluetooth Audio Codecs AAC, SBC and Aptx Adaptive. If we find an Ambient Sound mode allowing to hear external noises, […]

Yamaha YH-L700A test: striking sound immersion –

[…] To turn off the Bluetooth of a first device to use the helmet with another. As for the audio codecs, the Yamaha YH-L700A supports the SBC, the AAC and the APTX […]

Baker already breaks the price of the new Sony WH-1000XM5 wireless helmet –

[…] “More natural”, but with fewer seriously highlighted. Otherwise, we find the three Bluetooth SBC, AAC and LDAC audio codecs. The helmet also embeds the extreme dsee algorithm of Sony, […]

JBL Flip 6 review: our full review – Bluetooth speakers – Frandroid – Artificial Intelligence

[…] Hope for a Better transient regime for each loudspeaker and overall Better sound. At last, only SBC Codec is supported, which is not a problem as the quality of the amplification and the transducers takes […]

The ONEPLUS BUDS PRO have never been as affordable as for French Days –

[…] Regarding audio Bluetooth codecs, headphones are compatible with the most classic, AAC and SBC, but also with the LHDC. The firm indicates that they are compatible with Bluetooth 5.2 and […]

Which smartphone with jack to choose in 2022 ? | Sendigital

[…] Audio sharpness. We will also salute the presence of Dolby Atmos, as well as the management of Bluetooth codecs SBC, AAC, APTX, LDAC. The Samsung phone is a good solution for those followers of […]

Which smartphone with jack to choose in 2022 ? –

[…] Audio sharpness. We will also salute the presence of Dolby Atmos, as well as the management of Bluetooth codecs SBC, AAC, APTX, LDAC. The Samsung phone is a good solution for those followers of […]

With 25 % reduction, Nothings Ear (1) are a very good deal –

[…] Very convincing. The EAR (1) make some concessions and rely on the SBC and AAC codecs. Nothing continues to update its product, and now offers the possibility of using […]

Momentum True Wireless 3: Sennheiser launches its new high -end wireless headphones –

[…] Also embark on compatibility with the AAC and SBC audio codecs, but also with the Aptx and the APTX adaptive of Qualcomm. Enough to allow, on paper, an audio transmission up to 420 kbps as well as […]

Smartphones without jack: the best solutions to listen to music | Sendigital

[…] If you are looking for a good quality and inexpensive audio helmet, the Sennheiser 350BT is clearly the reference that we advise you. The product offers a strongest construction. It is compatible with the AAC, Aptx and Aptx Low Ltency codecs. […]

The Nintendo Switch finally has a folder system to store games – Frandroid – Wasstel Mali

[…] Limited.Update 14.0 of the Nintendo Switch also provides better volume control from the Bluetooth helmet or the console thanks to the support of the AVRCP profile. The maximum authorized volume was also […]

Sony SRS -XB23 test: light in every way – Kindycoder

[…] It has the particularity of supporting the audio transmission of high quality Sony LDAC with smartphones […]

Sony SRS-XB23 test: Light in all points of view | Sendigital

[…] It has the particularity of supporting the audio transmission of high quality Sony LDAC with smartphones […]

Xiaomi Buds 3T Pro: The new Xiaomi Pro AirPods are already on promotion | Sendigital

[…] Essociate transducers 10 mm in diameter. They are also compatible with classic AAC and SBC codecs, but also with version 4.0 on the LHDC side. On the other hand, the Xiaomi Buds 3T Pro […]

Spatial Audio Like at Apple – Satra7kh.com

[…] Everything is also supported by a software part that brand claims to have pampered to offer the audio codecs lHDC for 24-bit/96 kHz Songs with low distortion. We paper, this means that the music listened to […]

Air 2 Buds: The affordable Realme headphones are back at 35 € | Sendigital

[…] 10 mm transducers, as well as a Bluetooth 5 controller.2 Compatible only with SBC and AAC codecs. They will therefore not support the Aptx or the LDAC, but the available codecs will remain […]

Yamaha Launches New Headphones That Focus On Audio Quality – Archynewsy

[…] Yama E5B Are also Compatible with the Codecs SBC, AAC and APTX. A low latency game mode is also available. They Connect to the smartphone via Bluetooth 5.2 and […]

Huawei Sound Joy Speaker Review: Sound by Devialet – Midwestfoodservicenews

[…] Even a video projector, from Apple Music and Netflix. Note that the speaker is only compatible with bluetooth audio codecs aac and […]

The Lowless from Apple is in fact a studio sound quality on a wide variety of title on Apple Store, that has nothing to do with the transmitted to the helmet, the Apple adjust the sound quality according to the helmet well obviously.

Sony Xperia Pro-I test: the camera disguised as a smartphone | Sendigital

[…] Audio codecs, there is much to find his happiness: AAC-LC, AAC+, EAAC+, AAC-ELD, AMR-NB, AMR-WB, […]

The Huawei Freebuds 4i Take Advantage Of The Sales To Be Displayed at Half Price – Frandroid – Latest from the World

[…] In Diameter in Each of the Two Headphones. ALSO, Headphones True-Wireless Are Well Compatible with Classic Codecs Such as Bluetooth SBC and Aac, But we will not be able to find the aptx nor the ldac. For this price ranges, they have the merit […]

Test of Jabra Elite 4 Active: headphones ideal for sport, but not only – Innovation Partners

[…] Not only compatibility with the basic Bluetooth codec, the AAC, but also with the APTX, for a less audio transmission […]

Belkin is launching new compatible wireless headphones Aptx HD and Multipoint Bluetooth | Sendigital

[…] Good restitution of the serious. On the Bluetooth side, Belkin puts not only on the classic SBC and AAC codecs, but also on the APTX HD, a particularly rare codec for headphones […]

Belkin is launching new compatible wireless headphones Aptx HD and Bluetooth Multipoint – Innovation Partners

[…] Good restitution of the serious. On the Bluetooth side, Belkin puts not only on the classic SBC and AAC codecs, but also on the APTX HD, a particularly rare codec for headphones without […]

Xiaomi reveals its buds 3, headphones qualified as “hifi” for less than 70 euros – Newspaper

[…] ALSO DES NOT INDICATE Any Bluetooth AUDIO CODEC, Indicating that the headphones only Have SBC and AACTHE MOST popular in the market. However, the Manufacturer Claims That Its Headphones Are Able To […]

Marshall Anc Test motif: our full review – headphones and earphones

[…] Marshall Anc Headphones Are Small Attached Dynamic Transmitters 6mm, Compatible with Bluetooth 5.2 Receiver codecs SBC and AAC. […]

Amazfit Powerbuds Pro test: Really cut headphones for sport | Latest News

[…] It can however be indicated that Powerbuds Pro are limited to the use of AAC audio Bluetooth codecs and […]

Snapdragon 8 Gen 1 formalized: an IA boosted Soc for 2022 smartphones – Frandroid – W3 Newspaper

AI SOC Para Teléfonos inteligent in 2022 – Frandroid
Обзор klipsch t5 II: наш Полный обзор – наушники иаушники – Nachedeu

[…] Нет Проблем Со стабильностю Bluetooth -nciti-introdu (. Однако эти наушники не недерживают многотечное соединение bluetooth и должны быть отклюеены зовать их с другим. Я Столкнулся с небольими Проблемами соединия между Приложением Klipsch Connect и наушниками как на os, так и. Часто бывает неободимо Вернуться на г гкран Приложения, чтобы найти наушники, но которые, однако, е Воспроиulations. Это занимает Всего мгновение и не мешает Прослушиванию музыки. Контроллер соответств.0 и управля pie. […]

I’m tired of this rough system. I have a Sony H910N helmet which is not a first price and it only supports the LDAC in “quality” codec. It would have been cool if I used it with my Tel Android but I never use my such with my helmet, I bought this helmet to connect it to Windows 10, on my recent Android TV TV, on my PS5 or My Denon AV1600H amplifier. Well guess what, none of these devices take care of the LDAC so I am condemned to use a basic codec with this helmet and never take advantage of a decent quality, I should have inquired before buying it because I am sensitive to audio quality differences

الخبار ، متطلبات النظام ، التثبيت ، التنزيل ، الإ surla.com

[…] تحسين Bluetooth وإدارة برنامج الترميز AAC […]

Talk to you about codec .. But not Lowless from Apple which is the best of all.. Available with airpod & iPhone update it allows you to have the same sound as in the studio without compression..

OnePlus Buds pro formalized: noise reduction headphones at less than 150 euros – Frandroid – I Want Shop

[…] That his headphones are compatible with Bluetooth 5.2, it does not however specify the compatible Bluetooth audio codecs. A “pro gaming” mode is also available, this time allowing […]

Affordable headphones without compromise on sound – News – Sird

[…] High fidelity stereo, deep and detailed, promises the manufacturer. They are compatible with SBC, AAC and APTX audio codecs. There are also two microphones on each earpiece to better capture the voice, even if you do not wear […]

CONNENZJA JBL TOUR PRO PLUS: NASZA PEłna CONNENZJA – Słuchawki I Słuchawki

[…] Nie Wytwarza żadnego szumu tła i jest w stanie wytworzyć bardzo dużą głośno. Wreszcie kodeki sbc i aac są obains. Do Naszych Testów Go Posłuchaliśmy Pliki Alac Z Ipoda Touch, Naszych List […]

Bowers & Wilkins Pi7 test: Exceptional audio quality, but at what price | Sendigital

[…] Bluetooth transmission, Bowers & Wilkins has integrated the best in terms of audio codecs. We will obviously find compatibility with the AAC and the SBC, the Most Codecs […]

Bose Sport Earbuds test: amazing sound – Download Premium WordPress & Prestashop Themes and Plugins

[…] And not color it and distort stamps. On Spotify or our usual flac files, whether the codec used be the SBC or the AAC, everything goes cream. Note that headphones are compatible either with the LDAC or with […]

What are the best accessories for the Nintendo Switch ? – Download Premium WordPress & Prestashop Themes and Plugins

[…] Admitted it, a fairly poor quality. Finally, Bluetooth 5.0 is supported, just like the Low Latentcy APTX. The latter will be the only way to really avoid the lag. It is still necessary that your helmet or pair […]

Xiaomi Redmi Note 10 Pro test: Our full opinion – Smartphones – Download Premium WordPress & Prestashop Themes and Plugins

[…] Graves lack a little energy. Xiaomi highlights a hi-res audio certification, even on wireless listening, but remember that you can enjoy a wired helmet on this Redmi Note 10 […]

Asus ROG unveils headsets and headphones for gamers (with RGB) – Bonneinfo

[…] An unrivaled experience in terms of immersion. Taking advantage of Qualcomm Aptx adaptive audio technology and low latency, the ROG Strix Go BT provides flawless and high bluetooth sound […]

Cambridge Audio Melomania Touch test: a second transformed trial – Bonneinfo

[…] Essociate 7 mm speakers and are compatible with the classic COCCES SBC and AAC, but also with the rarest APTX. The tests are carried out with listening to YouTube Music and Amazon Music in […]

Marshall Mode II: the amp specialist attacks the wireless headphones – Bonneinfo

[…] Regarding the audio characteristics of its headphones, Marshall has equipped them with 6 mm diameter transducers. They also offer a frequency response ranging from 20 to 20,000 Hz and Bluetooth 5 connectivity.1. Marshall also communicates on compatibility with Bluetooth Audio SBC and APTX codecs. […]

Oppo A53S test: halfway between enchantment and frustration – Bonneinfo

[…] Also supports the Bluetooth SBC, AAC, APTX HD and LDAC audio codecs, but also the GPS satellite geolocation, GPS L1, A-GPS, Beidou, Glonass and Galileo-[…]

LG Tone Free FN6 test: our full opinion – helmets and headphones ~ Helmet

[…] Revenge, the free FN6 tone are satisfied with the minimum with compatibility only with the AAC and SBC codecs. The Aptx and the LDAC are therefore not taken in […]

HD 250BT: Sennheiser cuts the thread of a legendary model | Sendigital
[…] To go further Aptx, LDAC, SBC: Understanding everything to the Audio Bluetooth Codecs […]
HD 250BT: Sennheiser cuts the wire of a legendary model – Bonneinfo
[…] To go more LANAPTX, LDAC, SBC: understand everything about the Audio Bluetooth Codecs […]
Belkin launches new, more ambitious Trueless headphones – Bonneinfo
[…] To go more LANAPTX, LDAC, SBC: understand everything about the Audio Bluetooth Codecs […]
LG Tone Free test: comfortable headphones, but sound not clean enough – Bonneinfo

[…] Revenge, the free FN6 tone are satisfied with the minimum with compatibility only with the AAC and SBC codecs. The Aptx and the LDAC are therefore not taken in […]

To tell the truth the Aptx and the Aptx HD we do not see the difference when it is MP3 but the ldac there is really a light difference I have a MX3 and to tell the truth when I go from SBC to LDAC on 256KB sound Or 320 I feel the difference only on the voice I want to clarify the thing with LDAC is that it makes the voices clear but apart from there are also certain music whose symphonies are clearer and on the contrary on other music The symphonies remains permitted but more discreet to realize the difference in sharpness between the LDAC and SBC it is above all necessary to be drunk since hearing is more sensitive and less precise we quickly realize the differences between the LDAC and the SBC

Huawei Freebuds Studio test: a first rather encouraging Bluetooth helmet | Sendigital

[…] Can be used in wired – Huawei has integrated two conventional codecs, AAC and SBC. The Aptx, the APTX HD or the LDAC thus lack the call. Nevertheless, the Chinese firm also made its helmet compatible […]

JBL REFLECT Mini NC test: headphones that set their ears – Bonneinfo

[…] Bluetooth codecs, mini nc reflects are only compatible with SBC and AAC, neither the APTX, nor the LDAC being taken care of, not that we are really surprised given the report […]

Test of the ONPLUS BUDS Z: Simple headphones… too simple ? – Bonneinfo

[…] Oneplus headphones have dynamic drivers of 10 mm. Bluetooth connection is made in Bluetooth 5.0, as we have seen, but the OnePlus Buds Z only benefit from AAC and SBC codecs. It is therefore not possible to take advantage of high definition codecs such as Aptx, HD Aptx, Adaptive APTX or LDAC. […]

MPOW H19 IPO test: an amazing anti -BRUIT Bluetooth headset for 50 euros – BONNEINFO

[…] To provide a suitable sound experience in most other situations. Only the SBC and AAC codecs answer the call, but it is more than enough to assess your playlists […]

Oppo Unveils Its Enca X Headphones, True Wireless Active Noise Reduction – Archyde

[…] To be satisfied with the aac, the SBC and the LHDC. Oppo has not made its coac x compatible with aptx or ldac. There is also no question of multipoint bluetooth allowing you to connect the headphones to Two […]

Oppo unveils its Enca X headphones, True Wireless with Active Noise Reduction – Bonneinfo

[…] We will have to be satisfied with AAC, SBC and LHDC. Oppo did not make its Enca X compatible with the Aptx or the LDAC. Nor is there a question of multipoint bluetooth allowing to connect the headphones to […]

Bose QC Earbuds vs Jabra Elite 85T: which are the best wireless headphones ? – Bonneinfo

[…] Rather oriented towards bass and mediums. They are also compatible with the same Bluetooth codecs: SBC and AAC. None of the two pairs therefore offers the Aptx or the […]

Test of the Samsung Galaxy Tab S7+: The largest rival of the iPad Pro on Android | Sendigital
[…] Tablet supports all audio formats (AAC, FLAC, MP3, WAV …) with the exception of […]
HUAWEI FREEBUDS PRO test: our full opinion – helmets and headphones

[…] Compatibility with the most basic codecs, namely SBC and AAC. Huawei has indeed skipped the Aptx, the HD APTX or the LDAC, which allow the files to be transmitted with better quality. For the Bluetooth signal, […]

TWS NEO: Vivo launches its first Trueless Aptx HD headphones in France – Sendigital

[…] In addition, transducers 14.2 mm in diameter and are compatible with the APTX HD codec in the absence of the LDAC. This time these are open-fit headphones-in the manner […]

Test of the Samsung Galaxy Note 20: a good smartphone, without ultra -efficient argument

[…] Listening in Bluetooth, the Samsung Galaxy Note 20 is compatible with Bluetooth 5.0 and the SBC, AAC, APTX, LDAC codecs and the Samsung House Codec. We therefore find the main audio codecs available […]

“Geoffroy Husson, you absolutely did not understand the principle of data compression. I invite you to inquire about how 7zip or winrar works.”You confuse data compression and encoding. A codec can be without losses (lossless) or with losses. The FLAC is without losses and works with algorithms quite close to the logic of software that you mention while having a specific adaptation to an audio signal allowing to be more efficient than a simple 7ZIP compression of an audio file. On the other hand, codecs with losses, which are the most common, are much more efficient in space gain, losing on information which is no longer identical.

Indeed, I see that it is useless to chat with you longer ^^ Good day despite everything

You are in bad faith, do not recognize your mistakes, invent facts and/or do not know how to read and even understand a simple drawing. I note that you have a fairly superficial knowledge of the audio and that you are rampant here also https: // www.clubic.com/Forum/T/Comments-Yamaha-Pressente-Trois-Amplifiers-RETRO-ET-ENE-ENE-LES-LES-AUDIOPHILES/430232/3 Normally, when we do not know we inquire, especially when we pretend to explain to others.

Quote me the Sony page is interesting, but. just a marketing page that does not explain anything technical. I could tell you that dozens of brands boast that their models have a Bluetooth 5 chip.0 to improve the flow, while we know that this is false. But either, even based on Sony’s document, you will notice that the brand does not use “CD Quality” either but “Same as CD Quality”, which is a nuance that might seem insignificant, but shows that this quality is not synonymous with lossless, only equivalent . No, the LDAC coding technique is not without loss because it is based on a principle of adaptive dynamics, allocating a more or less important bits depth per range, the algo is both predictive and based on The capacities of the human ear. No matter how the problem is turning, this compression algorithm is not lossless (even if this algo is followed by a second step in lossless to reduce the place), as effective as it is, even if its quality can be completely equivalent to listening. One of the characteristics (and limit) of this codec is to play on the different sensitivity of the ear depending on the frequencies, which results in a no linear quantification noise (in other words a dynamic that is not not linear as on the CD, but adapting to the situation). This simply gives a species of between two, capable of being equivalent to a potentially hi-Res dynamic in low frequencies for example, and increasingly low once in the very high frequencies. A 24-bit LDAC 990 can be better than CD quality (because quantification noise is rejected beyond the classic frequencies of the CD), but not lossless compared to the 24-bit file from which. A 16 -bit LDAC will not be lossless either compared to its basic file, by its nature. On the other hand, his way of operating means that it can be described as equivalent, which can even exceed the dynamics of the CD on certain frequencies, and being a little less good on others. So yes, technically the LDAC can go further than CD quality, even set in 16 bits, but no, it is not lossless, hence the complexity of being able to judge it. For the codecs test, SoundGuy simply uses devboards with LDAC license, an extremely classic tool for this type of measurement. Last thing, Flac is not a company or an entity, just a free codec developed by the XIPH Foundation.

You peddle beneries and have not understood the test you are talking about. The LDAC can carry without losses a signal superior to the CD (it is Sony which indicates it and there is no reason not to believe them given the immense experience they have in the audio field, I remind you that they are at the origin of the CD) here a very clear description where we see that the PCM 16/44KHz (CD) is transmitted without losses and that only the PCM 24/96KHz undergoes HTTPS losses:/ /www.sony.Net/Products/LDAC/The test that you have not understood does not test the encoding/decoding of the LDAC (which is not possible without going through Sony because there is no standalone codec having an entry and digital output) but what comes out in analog of the test device. Besides, you understood that Flac succeeds, it is that it is possible especially for a company like Sony. In addition, the author did not understand that the coding operation – decoding uses computer power and that, therefore, it takes time, hence the phenomenon of latency .

Not completely true despite everything, since even in CD mode the LDAC keeps a hybrid encoding, with certainly a component without loss of the Huffman coding type (which is found in the Flac), but preceded by an MDCT coding, whose base is the same as for its recent Atrac codecs, used for example on Vita or PlayStation 3 and 4. Since the LDAC works on a cutting of the spectrum into several frequency bands (with more hi-res bands than in CD), the signal noise ratio is not linear and therefore not really comparable to what we find on CD. However, for most frequencies we can actually consider (if we believe the only site that has managed to measure this) that CD quality is generally affected, or even exceeded on certain frequencies, especially that the codec does not use No masking effect. But we agree that we would bask with the famous 1411KBS makes no sense in itself, since the FLAC, for example, can have the same quality as the CD with 2 times less flow. Too bad Sony preferred marketing by wedging hi-res, instead of sticking to a completely lossless CD quality, which would have been largely doable, even in quality 660.

Going to the DEV options allows more or less to force the codec, which is not a very “user-friendly” operation

Windows 10 does Aptx. The number of LED flashes on a Bluetooth receiver like the Anker Soundsync A3341 confirms it.

Thank you and yes that’s the concern, it’s not because the such and the helmet have all the codecs that we are assured that they always use the best.

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Hey guys you are on Fandroid ! As the custom will, this site is the least pro which exists ! Their tests are not at all serious ! and they have a big tendency to sell the merits of the marks that pay . Samsung for example . You have to live well and pay for product sheet readers . or copy Wikipedia to make style like this Codecs Helmet folder . Who does not change much to the understanding of codecs . Basically plus you have money plus you have all the right codecs in a certain way . And still a lot of big manufacturer put those of base because very few people know that there are different codecs ! From the moment when the basic one is enough for them ! And that’s not all ! It takes an impeccable source of music to take advantage of it as well as such which actually accepts these codecs ! and other important point have the BT which also accepts it . So having everything is equivalent to putting your hands in the wallet since most products sell that the standard .

Geoffroy Husson, you absolutely did not understand the principle of data compression. I invite you to inquire about how 7zip or winrar works. It doesn’t matter that the CD format is a flow rate of 1,411 Mbps. What matters is the compression format and if it fully restores the signal without loss or not. The LDAC is the only compression format to compress the 1,411 Mbps audio signal from a 16/44KHz file and return it without loss within the limit of the use of 990 kbps mode, so the LDAC transmits the entirety of a Signal 1.411 Mbps using a lesser bandwidth.

Apart from checking in the developer options from Android 11, on the dedicated application of the helmet, or in the Bluetooth settings (but only to know if you are on SBC or another), no. All the more complicated in difficult conditions, the automatic switch to low bitrate SBC is very common.

Ok well but how to know which codec the such and the helmet are synchronized ? There is an app for that ?

Ok well but how to know which codec the such and the helmet are synchronized ? There is an app for that ?

Wire headsets or Flac audio files. This is the minimum, and more than enough. Thank you anyway for this file!

The article is complete and interesting, however there are a lot of errors on a lot of details ! AAC is absolutely not limited to 250 kpbs, it may be that in the context of Bluetooth but out of that it can go easily to 480 kbps or even more. Another important error, to believe that a MP3 at 192 kpbs will be sent without additional loss if using a larger codec. It’s totally false ! The MP3 will be decorated by the phone, then be encoded with the codec and the target flow, which necessarily generates other damage on the sound. The codec being different, the psychoacoustic models are different, the algorithms and settings too, so we will necessarily have an additional degradation with regard to the original file. Obviously a more efficient codec than the original one will limit breakage or even make it imperceptible. Finally other gross error, believing that a file encoded with very high speed is really less good than a file without compression. Yes an AAC at 250 kbps will have loss compared to the original source. But an AAC at 320 or more and almost indisputable of the original file. Even with the best material in the world and the finest ears. I let you look for the different studies carried out in blind listening to find out more (tests in ABC HR or ABX).

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https: // wiki.hydrogenaud.IO/Index.php?Title = ABC/HR for information ��

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