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aptX HD & aptX Adaptive Bluetooth deliver the best quality sound

What is aptX Adaptive? It is an audio Bluetooth codec designed to deliver the same quality of audio that you have come to expect from wired headsets. As the name suggests, it is a next generation dynamically adjustable audio codec designed from ground up to deliver robust, low-latency, low-bit rate, high quality wireless audio. We are talking about CD quality audio here, but with a twist.

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aptx Adaptive is available for smartphones, Bluetooth earbuds, ear phones, and wireless speakers. When paired together, compatible devices and accessories deliver top quality audio. You can have a compatible set of earbuds, but your msartphone may not be supported. The best sound experience is delivered where both the smartphone and the Bluetooth audio accessory are compatible.

aptX Adaptive phones and Bluetooth headsets

What is aptX HD?

aptX HD is an audio codec that supports 24-bit audio file transmission via Bluetooth and reduces signal-to-noise ratio, resulting in lower distortion. In summary, it delivers higher audio quality over Bluetooth.

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What is aptX Adaptive?

aptX Adaptive is an adjustable codec that is much more efficient than aptX HD, but using a smaller amount of date to produce the CD quality sound quality over Bluetooth. It was designed with video and gaming in mind.

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aptX Adaptive vs aptX HD

Note that aptX Adaptive is different from aptX HD and basic aptX. The new Adaptive codec is the latest evolution of aptX and aptX HD. The goal of the different versions of aptX have been to deliver better audio via Bluetooth. aptX HD delivers high definition, CD quality Bluetooth audio. It is aptX Adaptive that takes it to the next level – the big difference is that it automatically adjusts to provide optimum audio quality or latency depending on what content is being played on the supported smartphone. As such, it supports high quality audio at even very low bitrates. In summary, it automatically switches between aptX and aptX HD.

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The beauty is that aptX Adaptive is backwards compatible with aptX HD and aptX. That means, for example, that wireless earbuds supporting Adaptive will connect to a phone supporting only aptX or HD and use those older codecs instead.

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Note: As Andrew pointed out in the comments, the backwards compatibility is only on the transmitter side and not on the headset side. So, an aptX Adaptive mobile can support an aptX HD/LL headset. An aptX HD phone cannot send aptX HD to an aptX Adaptive [only] headset. If the headset does not also have aptX HD, the audio quality defaults to aptX Classic.

Does Android support aptX Adaptive?

Yes; Android OS supports the new Adaptive codec, and there are many compatible Android phones in the market already. Note that it isn’t built into Android, so each manufacturer has to decide whether to include it into each of their devices. Some phone brands with aptX Adaptive phones include: Nokia, Google Pixel, Motorola, Sony, Smartisan, Sharp, ZTE, OnePlus, ASUS, and Xiaomi.

Note that it supports other platforms, like Windows 10 and macOS as well.

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Nokia 5.4 in hand at mobilityarena

List of aptX Adaptive Phones

Here is along but not exhaustive list of aptX Adaptive phones that have been announced and launched in recent times. Note that new phones are being announced monthly, and so this list cannot capture all the available models that support aptX Adaptive.

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There are other smartphones not listed here that support the new aptX codec, so this is not an exhaustive list. In addition, this list gives you an idea of the cell phone brands that use the new Adaptive codec.

Edifier TWS1 Pro Blietooth earbuds with aptX Adaptive support

List of aptX Adaptive Bluetooth Headsets

The following Bluetooth headsets all support aptX Adaptive:

  • Edifier TWS1 Pro
  • Bowers & Wilkins PX7
  • Bowers & Wilkins Pi3
  • Bowers & Wilkins Pi4
  • Bowers & Wilkins PX5
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aptX Adaptive phones and devices are great for listening to high quality audio, as well as watching movies and YouTube videos. I have played around with and reviewed some of the above devices and cannot recommend aptX Adaptive enough.

You are reading Mobility Arena.

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3 thoughts on “aptX HD & aptX Adaptive Bluetooth deliver the best quality sound”

  1. The backwards compatibility is only one-sided… on the transmitter’s side. So, an aptx Adaptive mobile can support an aptX HD/LL headset. An aptX HD transmitter cannot send aptX HD to an aptX Adaptive [only] headset. Such a headset defaults to aptX Classic.

    You’d need a headset with a chipset that is licensed for both aptX HD and Adaptive. I don’t know why they’ve made things this difficult other than cynical commercialism. They should have arranged it such that all aptX Adaptive receivers also support aptX HD and LL but chose not to. Most likely to encourage people to upgrade to devices with their newer chipsets.

    Thankfully there are some aptX Adaptive USB transmitters on the market now. They’re not quite mainstream yet though and the more interesting models are even harder to come by. Aliexpress sellers have the 16-bit USB-A model. You need to go to Taobao for the 24-bit USB-A model. Taobao also has lightning and USB-C 16-bit models.

  2. NONE OF THE NEW SAMSUNG PHONES ARE SUPPORTING APTX HD OR ADAPTIVE
    THEY ONLY SUPPORT AAC, SBC, APTX AND SAMSUNG SCALABLE CODEC.
    SO IF THIS IS IMPORTANT TO YOU DONT BUY A SAMSUNG.

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