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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 release.

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Delivering superb audio experiences for over 25 years


About aptX

The Qualcomm® aptX™ audio coding algorithm originated in the late 1980s at Queen’s University Belfast. This innovative work was focused on bit rate reduction and achieved significant bit rate efficiencies while preserving audio quality.

aptX has been the best kept secret of the professional audio industry, used by major public broadcasters and film studios around the world. Now available on leading consumer devices, aptX enables music lovers to enjoy the rich listening experience that aptX delivers.

Key facts

Samsung launched the first aptX enabled source device, the Galaxy Tab 7.0 Plus, in 2011

There are more than 330 consumer electronics brands using aptX technology worldwide

aptX technology celebrated its 25th birthday in 2014