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Audio development kit improves voice recognition rates for H2M applications

Audio development kit improves voice recognition rates for H2M applications

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By Julien Happich



Microsemi’s Timberwolf is a field programmable, field upgradable digital signal processor equipped with specific hardware accelerators to run three simultaneous acoustic echo cancellers (AECs). The AcuEdge development kit for Amazon AVS comes complete with a development board that connects directly to a Raspberry Pi and plastic frames to help position microphones and speakers in targeted applications. It also enables users to speed development of their products by utilizing the quick start guide and user interface.
Timberwolf is enabled with compressor/limiter/expander (CLE) microphone pickup algorithms, beam forming, and stationary and non-stationary noise reduction, enabling voice control and speech recognition not only from a distance but also in the presence of adverse noise and audio sounds. The complete kit features a Timberwolf evaluation board populated with two microphones capable of operating in both 180 degree and 360 degree audio pickup modes. The evaluation board is equipped with the Raspberry Pi connector, which allows for quick and easy setup. Additionally the kit is delivered with a board and speaker stand allowing users to quickly evaluate the performance of the solution. While the Raspberry Pi runs the Amazon AVS client and Alexa wake word detection, the Timberwolf solution runs all front-end audio processing enabling significantly improved speech recognition accuracy.
The Microsemi AcuEdge development kit for Amazon AVS is available through distributors Arrow and Future Electronics for $299.

Microsemi – www.microsemi.com/amazon-alexa-kit

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