Product category:
Communications ICs (Wireless)
News Release from: Cambridge Silicon Radio | Subject: BlueCore5-Multimedia
Edited by the Electronicstalk Editorial
Team on 05 February 2007
DSP-based Bluetooth adds speech
enhancement
BlueCore5-Multimedia silicon now offers NXP Software's speech enhancement technology aimed at Bluetooth headsets, in-car hands-free kits and mobile phones.
CSR has announced a further third-party software enhancement for its BlueCore5-Multimedia platform Continuing to build on the strength of CSR's Extension Partner Programme, BlueCore5-Multimedia silicon now offers NXP Software's speech enhancement technology aimed at Bluetooth headsets, in-car hands-free kits and mobile phones
This article was originally published on Electronicstalk on 27 Sep 2005 at 8.00am (UK)
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Bluetooth chip boosts DSP performance and memory
CSR has launched its fifth generation of BlueCore, the Bluetooth hardware and software solution that currently accounts for more than 55% of the market.
Bluetooth chip includes DSP for audio enhancement
BlueCore5-Multimedia is CSR's most advanced silicon offering best in class audio for applications including high-end stereo and mono headsets.
NXP Software's LifeVibes voice engine, which enhances incoming and outgoing speech and suppresses background noise, addresses the acoustic limitations related to both speakers and microphones.
NXP Software's technology offers full duplex communication, greatly improving the quality of voice communication over a Bluetooth connection, and therefore ensuring that users can hear and be heard in noisy environments.
The LifeVibes voice engine offers the latest in Acoustic Echo Cancellation (AEC), noise cancellation and voice clarity improvement.
Further reading
Bluetooth chip runs sound processing suite
CSR has announced a new addition to its Extension Partner Programme of third party enhancements to its powerful DSP-based BlueCore5-Multimedia silicon.
Pro-audio algorithm upgrades Bluetooth audio
New compression technology for the powerful DSP-based BlueCore5-Multimedia platform offers designers much improved wireless audio quality.
Brought together to improve the performance of Bluetooth mono and stereo headsets, the partnership with CSR specifically covers NXP Software's solutions for two-microphone and single-microphone noise reduction, AEC, intelligibility improvements and far-end noise reduction.
Proven in numerous devices, the LifeVibes Voice engine provides a robust, mature solution, enabling device manufacturers to meet end-user quality expectations.
Users can talk and listen comfortably in even the noisiest of environments, such as city streets or train stations.
The software is pre-integrated for fast time to market and is also highly optimised, with minimal processing and power requirements.
Thus, it delivers exceptional performance on the smallest of devices without compromising battery life.
Due to the high-performance on-chip DSP, CSR's Multimedia platform is the only Bluetooth platform available which can support such third party audio enhancement software.
In addition, BlueCore5-Multimedia offers superior sound quality with a best-in-class signal to noise ratio of -95dB.
BlueCore5-Multimedia also leads the industry for power consumption and radio design.
Cees Geel, Managing Director, NXP Software, commented: "Consumer demand for Bluetooth headsets is growing rapidly, putting pressure on device manufacturers to design high-quality products".
"Joining CSR's Extension Partner Programme provides these device manufacturers with a 'one-stop shop' for proven, best in class audio enhancement software on one of the world's most widely used Bluetooth ICs".
Anthony Murray, Senior Vice President of CSR's Wireless Audio Strategic Business Unit, commented: "The Extension Partner programme was built around the class leading BlueCore-Multimedia, enabling CSR to bring third party innovation and the latest technological capabilities to Bluetooth technology".
Murray continued: "Working with NXP Software combines an unsurpassed level of Bluetooth performance with industry leading speech enhancement, providing customers with the highest quality acoustics in the industry".
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