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Adaptive Digital Announces HD Acoustic Echo Cancellation Intercom Solution for TI C5517 DSP for VQE Applications
  By PR Newswire

PLYMOUTH MEETING, Pa., Jan. 11, 2017 /PRNewswire/ -- Adaptive Digital Technologies' (Adaptive Digital) High Definition Acoustic Echo Canceller (HD AEC) handles extraordinary echoic challenges and delivers exceptional voice quality. HD AEC is a complex algorithm which includes noise reduction (NR), as well as anti-howling, adaptive filtering, nonlinear processing, microphone selection, gain and microphone equalization, automatic gain control and double-talk detection.  The HD AEC algorithm eliminates acoustic echo in difficult conditions such as unbalanced speech levels, close speaker to mic proximity, background noise, wind noise, double talk, and echo path changes.

Adaptive Digital's HD AEC C5517 DSP Intercom Solution includes digital microphone (DM) conversion software which converts a PDM (Pulse Density Modulated) microphone signal into a PCM (Pulse Code Modulated) signal. The HD AEC C5517 DSP supports 2 modes: Dual microphone or Single Microphone. The HD AEC-C5517 is a high definition voice quality wideband (WB) solution.

Adaptive Digital's HD AEC Intercom software product provides superior voice clarity and true full duplex performance enabling simultaneous communication with no delay under a wide range of acoustic environments for both outdoor and indoor applications. Adaptive Digital uses a proprietary fast converging adaptive filter, and non-linear processor to deliver robust double talk performance even in unpredictable outdoor conditions. In addition to the HD-AEC algorithm, the Adaptive Digital Intercom solution provides a framework that interfaces 3 - I2S peripherals and SPI for host communication.  The complete set of APIs allow the developer to command the DSP to configure, download, and run from a host processor.

The full-featured HD AEC Intercom Solution runs on a fixed-point Texas Instruments (TI's) C5517 Digital Signal Processor (DSP) product and is designed for low active and standby power consumption. The C5517 DSP is a highly-integrated solution offered in a simple package to reduce cost and development time. "C5517 DSP is ultra-low power and easy-to-use, making it a target processor for applications based on audio pre-processing," said John Smrstik, marketing manager, TI processors. "ADT's HD AEC is a strong algorithm that is a perfect combination with C5517 DSPs to solve acoustic echo for end applications such as intercoms and conferencing equipments."

The C5517 DSP doubles the performance of previous generations of ultra-low power DSP devices while delivering power optimization to support longer battery life. The C5517 DSP is ideal for voice and audio based applications including voice recognition and audio processing, as well as medical, and non-video intercom applications.

The C5517 DSP delivers high-performance and an expanded peripheral set at low power to meet the needs of audio applications enabling original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to quickly bring their product to market.

Equipment manufacturers can differentiate their next gen offering by integrating Adaptive Digital's HD AEC solution into their product. Based upon the exceptional voice quality that HD AEC achieves, by incorporating HD AEC into their intercom design, OEMs/ODMs will distinguish themselves in the marketplace. The extraordinary voice quality of Adaptive Digital's HD AEC is validated by its adoption into several global Tier 1 IP phone manufacturers' product.

Applications: IP Intercom | Video Intercom | home control | conferencing | home/industrial security systems

HD AEC for the C5517 DSP is a complete acoustic echo cancellation solution. Demonstration hardware available upon request.

Adaptive Digital's G.PAK framework handles all the functionality.

Adaptive Digital offers acoustic design consultation services: Hardware, Enclosure considerations, and microphone to speaker placement.

HD-C5517 supports narrowband. When run in narrowband mode, application capacity is increased. HD AEC can be ported to other processors. Contact us with your requirements.

About Adaptive Digital's G.PAK Framework

G.PAK is a scalable and configurable voice-over-packet DSP software solution that turns a digital signal processor into an easily controlled voice-over-packet engine. G.PAK integrates the building blocks that are required in voice-over-packet systems into a turnkey solution.

About Adaptive Digital Technologies, Inc.

Adaptive Digital (www.adaptivedigital.com) is an industry-leading provider of voice technology. Adaptive Digital's products include high definition acoustic echo cancellation (HD AEC), HD stereo acoustic echo cancellation, Packet, line and Network Echo Cancellation, Voice Engine with SIP, high-density conference engines, speech compression, telephony, and voice-quality algorithms across many platforms. Adaptive Digital's customers include Cisco Systems Inc., Foxconn, General Dynamics, Harris, Motorola, Northrup Grumman, Sonus, Starleaf, Texas Instruments, Windstream, and Yealink. Adaptive Digital is a member of the Texas Instruments' Design Network. To request additional information please contact: marketing@adaptivedigital.com, or view HD AEC product page on our website. http://www.adaptivedigital.com/product/acoustic-echo-cancellation/acoustic-echo-canceller-hd.htm

About the Texas Instruments Design Network

Adaptive Digital Technologies, Inc. is a member of the TI Design Network, a premier group of independent, well-established companies that offer products and system-level design and manufacturing services complementing TI's semiconductors to a worldwide customer base to accelerate product innovation and time-to-market. Network members provide product design, hardware and software system integration, turnkey product design, RF and processor system modules, reference platforms, software development, proof-of-concept design, feasibility studies, research, certification compliance, prototyping, manufacturing, and product life cycle management. For more information about the TI Design Network, please visit http://www.ti.com/designnetwork.

To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/adaptive-digital-announces-hd-acoustic-echo-cancellation-intercom-solution-for-ti-c5517-dsp-for-vqe-applications-300389263.html

SOURCE Adaptive Digital Technologies, Inc.

Copyright 2014 PR Newswire. All Rights Reserved

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