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Acoustic Technologies Announces SoundClear® HD Voice Solution for CSR8670™ Bluetooth® SoC

Acoustic Technologies, Inc., a leader in high quality full-duplex voice solutions for handsets and hands-free products, today announced the availability of its patented SoundClear HD Voice solution highly optimized for the CSR8670™ SoC. The solution provides echo cancellation, noise reduction and speech enhancement, and is available in single or multi-mic configurations. SoundClear HD Voice for the CSR8670 provides incredible call clarity for both narrowband and HD wideband applications, enhancing the user experience for any mobile or VoIP call. Optimized configurations are available for Bluetooth® stereo and mono headsets, portable speakerboxes, speakerphones and automotive Bluetooth, including head-units, PNDs and hands-free kits.

“SoundClear HD Voice for the CSR8670 significantly extends Acoustic’s high quality speech solutions for consumer audio product manufacturers around the globe,” said Chris Havell, director of CSR's audio product line. “The CSR8670 has tremendous market traction and is key to enabling highly differentiated Bluetooth wireless audio products with HD voice.”

“Through our long partnership with CSR we continue to bring game-changing voice solutions to market,” said Bob Ackmann, CEO of Acoustic Technologies. “SoundClear HD Voice for the CSR8670 has been designed in to numerous leading edge products to dramatically improve speech quality, providing a clearer, more natural call experience.”

SoundClear HD Voice for the CSR8670 features superior noise cancellation, echo cancellation, speech enhancement and full-duplex performance. The SoundClear system monitors and processes voice, echo and noise signal power levels to deliver clear and natural audio. The improvements in sound fidelity and clear speech from HD voice also significantly benefit automatic speech recognition applications.

When combined with Acoustic’s powerful SoundTools™ tuning tools and SoundAdvice™ audio consulting, the complete SoundSolution™ helps customers get products to market quickly and with high quality audio performance.

About CSR

CSR is a global provider of innovative silicon and software solutions for the location-aware, media-rich, cloud-connected world. Our platforms are optimised for the automotive navigation and infotainment, digital cameras and imaging, connected home infotainment and wireless audio markets. We provide solutions to complex problems in the audio-visual, connectivity and location technology domains across a broad range of markets, with a technology portfolio that includes GPS/GNSS systems, Bluetooth®, Wi-Fi®, FM, NFC, aptX® and CVC™ audio codecs, JPEG, MPEG, H.264 imaging, PDL printing, microcontrollers, DSPs and broadband receivers. CSR's technology solutions and market platforms enable its customers to deliver a superior user experience and are adopted by leaders in the auto, computer, home and mobile markets. More information can be found at

About Acoustic Technologies

Acoustic Technologies creates high quality hands-free audio processing software for leading consumer electronics companies. The SoundClear brand of patented full-duplex communication, echo cancellation, noise reduction and speech enhancement solutions is enabling significant advancements in mobile and VoIP calling, and is proven in over 50 million products around the globe. SoundClear provides natural, clear audio for smartphones, tablets and laptops, as well as for Bluetooth headsets, speakerboxes, car radios, GPS navigation devices and hands-free kits. Visit for additional information.

SoundClear is a registered trademark of Acoustic Technologies Inc. SoundAdvice, SoundTools and SoundSolution are trademarks of Acoustic Technologies. Bluetooth® and the Bluetooth logos are trademarks owned by Bluetooth SIG, Inc. and licensed to CSR. Wi-Fi® is a trademark of Wi-Fi Alliance. All other service marks and trademarks are the property of their respective owners.


This press release contains certain statements (including statements concerning plans and objectives of management for future operations or performance, or assumptions related thereto) that are not historical facts and constitute ‘forward-looking statements’ within the meaning of the United States Private Securities Litigation Reform Act of 1995 in relation to CSR’s CSR8670 technology, and its performance characteristics in SoundClear’s HD Voice solutions, and other future events and their potential effects on CSR. These forward-looking statements can be identified by words such as ‘will,’ ‘can deliver,’ offers,' 'allows,' 'to enhance,’ ‘enables,’ 'designed to' and other similar expressions regarding the performance characteristics of CSR’s CSR8670 technology, and their performance characteristics in SoundClear’s HD Voice solutions and other consumer products, and their potential effects on CSR. Any future release of CSR’s CSR8670 technology or consumer electronics products containing such technology, related products or modifications to such products’ capability, functionality or features are subject to ongoing evaluation by CSR and its customers, and may or may not be implemented and should not be considered firm commitments by CSR or its customers, and should not be relied upon in making purchasing decisions. Such forward-looking statements represent the current expectations and beliefs of management of CSR, and are based upon numerous assumptions regarding CSR’s business strategies and the environment in which CSR will operate, and therefore involve a number of known and unknown risks, contingencies, uncertainties and other factors, many of which are beyond the control of CSR, including, but not limited to, those detailed from time to time in CSR’s periodic reports (whether under the caption Risk Factors or Forward Looking Statements or elsewhere), which are available at the SEC’s web site Each forward-looking statement speaks only as of the date hereof. CSR does not undertake to release publicly any updates or revisions to any forward looking statements contained herein, otherwise than required by law.

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