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We are pleased to announce that as of August 13, 2015, Qualcomm Global Trading Pte. Ltd., a subsidiary of Qualcomm Incorporated, has completed its acquisition of CSR plc. For more information, please see the press releaseSign up to our newsletter and be one of the first to hear our latest news.


aptX™ HD

High Definition Bluetooth® wireless audio

About aptX HD

Qualcomm® aptX™ HD audio ensures your Bluetooth® wireless enabled device can deliver High Definition (HD) audio. It preserves sound data through the audio transmission, resulting in a ‘better-than-CD’ listening experience.

With aptX HD, you can enjoy listening to your music at the highest audible quality when using a wireless device.

Key facts

aptX HD is indistinguishable from high resolution audio

aptX HD enables 24-bit music quality over a Bluetooth® wireless connection

Around the world roughly 2 billion devices are powered by aptX audio


Supports 48kHz / 24bit LPCM audio data

Backwards compatible with existing aptX products

Can enhance audio performance, even when applied to standard resolution content

Indistinguishable from High Res audio