Qualcomm’s aptX Lossless guarantees true CD-quality audio over Bluetooth


Qualcomm aptX audio notification on phone

Robert Triggs / Android Authority

TL;DR

  • aptX Lossless is the primary Bluetooth audio codec to boast bit-exact CD-quality music help.
  • The expertise will likely be a part of Qualcomm’s aptX Adaptive and Snapdragon Sound ecosystems.
  • Count on the primary aptX Lossless merchandise to seem in 2022.

Prick up your ears audiophiles; you’ll lastly be capable to take heed to lossless-quality audio by means of your Bluetooth headphones. Qualcomm has lifted the lid on the newest model of its Bluetooth audio codec: aptX Lossless.

Diving straight into the core particulars, aptX Lossless is the primary Bluetooth audio codec to assert bit-exact switch of CD-quality (16-bit, 44.1kHz) audio over Bluetooth. Lastly, your wi-fi headphones can help lossless sound. Compression continues to be used to suit CD’s 1.4Mbps bit-rate into Qualcomm’s extra restricted 1Mbps most bandwidth, however the firm notes it’s utilizing totally lossless compression. Not like present lossy Bluetooth codecs, the audio stream on the output is an actual match with the enter when listening through aptX Lossless.

With the transfer to aptX Lossless, Qualcomm is tremendously bettering the info charge over its present aptX (352kbps) and aptX HD (576kbps) codecs. In reality, it may even exceed Sony LDAC’s 990kbps information charge. Though, sustaining this excessive bandwidth is the important thing downside and one which Qualcomm says it has addressed because of end-to-end management and optimization of its radio stack through its Snapdragon Sound ecosystem. As such, Qualcomm notes Snapdragon Sound is a requirement for sustainable aptX Lossless and that it intends for all branded merchandise to help the brand new codec going ahead. Sadly, the brand new {hardware} necessities imply present merchandise are unlikely to be backwards appropriate.

See additionally: Everything you need to know about Bluetooth codecs

Thankfully, aptX Lossless isn’t one other standalone codec in an ever-growing checklist. As an alternative, it falls beneath the aptX Adaptive tool suite, which means gadgets can even profit from Qualcomm’s different codec options. For instance, audio bit-rate scales from lossless proper all the way down to 140kbps with out interruption should you wander into an space with excessive radio interference. Meaning you shouldn’t expertise glitches or dropouts. aptX Adaptive additionally helps 24-bit 96kHz playback, albeit with lossy compression, and a dynamic low-latency mode for avid gamers and voice calls.

Qualcomm’s choice to help lossless audio through Bluetooth is partly as a result of rising checklist of music streaming platforms that now help lossless codecs. Apple Music, Amazon Music, Tidal, and others supply high-resolution and/or lossless tracks to stream and obtain. However to make most use of this audio high quality through Bluetooth requires new codecs and impeccable wi-fi {hardware} and software program implementation. Qualcomm’s newest Bluetooth audio codec may develop into the popular method to hear for audiophiles who additionally need to take pleasure in the advantages of Bluetooth headphones and earbuds.

aptX Lossless merchandise, full with Snapdragon Sound branding and interoperability testing, are anticipated to reach someday in 2022.



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