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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™ Low Latency

Vital synchronised audio and video for gaming and multimedia applications 

About aptX Low Latency

Qualcomm® aptX™ Low Latency audio ensures your Bluetooth® wireless enabled device can deliver sound in sync with visual media. It reduces delay and improves end-to-end speed of the audio transmission, resulting in a high quality, synchronised user experience.

With aptX Low Latency you can enjoy the freedom of wireless for applications such as gaming and watching videos.

Key facts

Audio transmission needs to happen at a rate of ~40ms to be heard in synchronisation with what you’re watching

Your brain can’t tell the difference between a delay of 0 and 100ms

There are more than 540 consumer electronics brands using aptX technology worldwide


Data rates: 276kBit/s & 420kBit/s

Low system latency delivers optimal user experience for gaming, ‘touch to audio’, ‘motion to audio’ and interactive user interface applications

Bit-error resilience is designed to help maintain audio quality in challenging RF environments

Supports legacy Qualcomm TrueWireless™ Stereo and dual-mono Qualcomm TrueWireless Stereo modes