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Audio Processing Solutions

CSR's audio expertise has evolved into a range of specific audio processing solutions for applications including mobile handsets, consumer headsets and professional audio systems. CSR has a range of audio encoding and processing algorithms including Clear Voice Capture (CVC®) CSR's own echo cancellation and noise suppression DSP software technology for enhancing the audio quality of wireless products. CSR partners with specialist DSP companies through its eXtension Partner Programme to integrate the best audio enhancement technologies into customers’ products.

IC-Based Solutions

Product Description
MAPX™ The MAPX™ multimedia applications processor family is a portfolio of high performance, integrated, high quality audio system-on-chip (SoC) devices for Soundbars, Docking Speakers, AV-Receivers, Home Theatre Systems, and Integrated Audio Systems.
CSR8670™ CSR8670™ is our next-generation audio system-on-chip(SoC) solution with wireless connectivity, embedded flash memory and integrated capacitive touch sensors.
CSR8645™ CSR8645™ is a our next generation Stereo ROM solution with aptX® CODEC technology.
CSR8640™ CSR8640™ is a our next generation Stereo ROM solution that sets a new standard for wired or wireless stereo audio quality.
CSR8620™ CSR8620™ is a our next generation dual microphone, single-chip mono headset solution with advanced echo and bi-directional noise cancellation technology targeted for low-cost two microphone mono headset applications.
CSR8610™ CSR8610™ is a our next generation Single-chip mono headset solution with advanced echo and bi-directional noise cancellation technology targeted for low-cost mono headsets, mono speakers or speakerphones and after car-kits applications.
DDFA®: CSRA6000™ & CSRA6001™ This DDFA® chipset combines with precision output stages to provide all the control functions for high quality, high power, digital input class D switching amplifiers.
BlueTunes® ROM BlueTunes® ROM addresses the growing market for stereo wireless multimedia functionality as the world’s first ROM-based Bluetooth® solution with an integrated DSP.
BlueCore5™ Multimedia The BlueCore5™ Multimedia Bluetooth® chip is designed to provide a graceful, simple solution to integrating wireless multimedia functionality into embedded devices.
BlueCore® BC6145™ BC6145™ is a Bluetooth® chip for low-cost mono headsets and car speakerphones.
BlueCore® BC6140™ BC6140™ is a Bluetooth® chip for low-cost mono headsets that provides high quality 1-mic noise reduction, echo cancellation and speech intelligibility enhancements.
BlueCore® BC6130™ BC6130™ is an ultra low power, low-cost, entry level mono headset Bluetooth® solution with leading RF performance.
CSR8000™ Platform CSR’s next generation connectivity platform CSR8000™ improves voice quality with wireless connected devices and extends the ecosystem to include emerging Bluetooth® low energy devices.
CSR7810™ CSR7810™ offers uniquely voice processing and Bluetooth® on a single chip, addressing OEMs’ need for noise reduction in their products.

Development/Software

Product Description
TrueWireless Stereo™ The TrueWireless™ embedded software application addresses the booming market for Bluetooth®-enabled wireless headsets and speakers, achieving an entirely wireless solution between separate stereo channels and devices.
RoadTunes™ RoadTunes is CSR’s unique Bluetooth embedded solution running on BlueCore®-Multimedia which offers a simple plug-n-play interface to customers enabling hassle-free integration of Bluetooth into their platform.
PureSpeech® PureSpeech® is CSR’s revolutionary near- and far-end bidirectional speech processing software solution.
Made for iPod®, iPad® and iPhone® (MFi) Choose between the always popular BlueCore5™-Multimedia or upgrade to the CSR8670™ and benefit from a step change in performance and integration.
CVC® CVC® 5.
CSR Synergy® CSR Synergy® provides an integrated host software solution for the spectrum of desirable wireless connectivity technologies.
aptX® Low Latency aptX Low Latency effectively enables consumers to watch video while listening to wireless audio in a synchronised fashion.
aptX® Lossless The aptX® Lossless audio codec is developed for HD-Audio in professional and consumer applications.
aptX® Enhanced The aptX® audio codec offers broadcasters a unique feature set delivering audio quality indistinguishable from linear at much reduced bit rates.
aptX® aptX encoded audio fits neatly within the available bandwidth of wireless transmission standards to offer an efficient solution for band-width restricted connections.
aptX Live® aptX Live® enables real-time digital wireless audio in bandwidth constrained environments.

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