ATS6000MMBC5 Multi-Mic Dramatically Enhances Audio Quality of Headsets and Hands-Free Devices

(Mesa, AZ) – Acoustic Technologies, Inc., the leading provider of high quality audio
solutions for hands-free products, today announced the patented SoundClear with multi-mic
noise cancellation is now available on CSR’s BlueCore5-Multimedia Bluetooth platform. The
SoundClear multi-mic solution will allow CSR’s BlueCore-Multimedia customers to utilize
two microphones and features noise cancellation and speech enhancement to reduce
background noise and optimize speech intelligibility in products such as Bluetooth
headsets, automotive navigation, hands-free systems, and mobile handsets. The software
enables a natural high quality bi-directional conversation with acoustic echo
cancellation, noise cancellation, and full-duplex control. The full-duplex control
dynamically monitors, detects, and processes incoming voice, echo, and noise signal power
levels to deliver clear and natural audio.

“”Consumers are demanding more of their wireless devices in terms of performance, audio
quality and power consumption. BlueCore-Multimedia with SoundClear caters to this trend
and provides a powerful base for future evolution” commented Anthony Murray, Senior Vice
President of CSR’s Wireless Audio Strategic Business Unit. “We are pleased to add
Acoustics’ field proven SoundClear solution offering enhanced noise cancellation, echo
cancellation, and voice quality.”

The multi-mic SoundClear solution for the BlueCore5-Multimedia offers the following key

  • 20 dB Noise Cancellation
  • Wind Noise Detection and Cancellation
  • Dynamically Adjusts to Changing Backgrounds
  • Effective up to 25 dB SNR
  • Smooth and Natural Call State Transitions
  • Simple and Fast Tuning with RAPID™ Tool

“Adding multi-mic noise cancellation to our existing SoundClear product raises the
sound quality bar even higher for headsets, hands-free kits, and other products requiring
higher levels of noise cancellation” said Bob Ackmann, CEO of Acoustic Technologies. “We
are pleased to further extend our product offerings for the CSR BlueCore products and to
extend our relationship with the world leader in Bluetooth.”

When combined with Acoustic’s powerful RAPID tuning tools and audio consulting, the
SoundClear software helps customers get products to market quickly and with the highest
quality audio performance.

For customers using the SoundClear solution, Acoustic offers:

  • Acoustic Analysis and Audio Consulting
  • Custom Software Development (DSP/ARM)
  • Electrical Design and Layout Services

At the headquarters in Arizona, Acoustic’s experienced software, hardware, and systems
engineers utilize state-of-the-art audio equipment to assist with customer projects.
Audio consulting includes test and measurement, electrical analysis, mechanical analysis,
and recommendations on transducers and plastics. For product improvement, Acoustic
prepares a comprehensive report citing the acoustic analysis results and detailed
recommendations for achieving optimal sound quality. This process has been utilized by
companies worldwide to optimize the audio quality of their products, enabling hands-free
communication to sound just like a “face-to-face” conversation.

The ATS6000MMBC5 Multi-mic SoundClear software for the BlueCore5 is available for
immediate integration.

About CSR

CSR is the leading global provider of personal wireless technology and its product
portfolio covers Bluetooth, GPS, FM receivers and WiFi (IEEE802.11). CSR offers developed
hardware/software solutions, based around its silicon platforms, that incorporate fully
integrated radio, baseband and microcontroller elements.

CSR’s customers include industry leaders such as Apple, Dell, LG, Motorola, NEC, Nokia,
Panasonic, RIM, Samsung, Sharp, Sony, TomTom and Toshiba.

CSR has its headquarters and offices in Cambridge, UK, and offices in Japan, Korea,
Taiwan, China, India, France, Denmark, Sweden and both Dallas and Detroit in the USA.

More information can be found at


Acoustic Technologies creates high quality hands-free, audio processing software, semiconductor, and system solutions for leading telecom manufacturers worldwide. The SoundClear brand of patented full-duplex communication, echo cancellation, and noise reduction solutions is enabling significant advancements in telecommunications voice quality and is proven in millions of products around the globe. SoundClear provides natural bi-directional communication in mobile phones, hands-free car kits, Bluetooth accessories, VoIP telephones, conference phones, and other speakerphone enabled products. Acoustic Technologies is headquartered in Mesa, Arizona. For additional information, the company can be reached directly at (480) 507-4376, or via the Internet at

Contact Information

Acoustic Technologies, Inc.

1620 South Stapley Drive
Suite 201
Mesa, AZ, 85204

tele: 480.507.4376
fax: 480.507.4399

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