Microphone array aggregator integrates control and DSP functions

March 17, 2016 //By Julien Happich
Microphone array aggregator integrates control and DSP functions
XMOS Ltd's xCORE Array Microphone is what the company claims to be the world’s most flexible microphone aggregation solution for voice user interfaces (VUI) in smart home applications.

With the ability to aggregate up to 32 MEMS microphones, and offering USB and I2S backhaul, XMOS enables a new class of array microphones to be created. Applications include smart TVs, soundbars, virtual digital assistants (VDAs) and smart home automation. Based on the xCORE-200 device family, the solution is delivered as an evaluation board and supporting software libraries.
Accurate, far-field voice capture underpins VUI technology and is best achieved using multiple microphones. Many of today’s solutions are limited to just two or four microphones whereas the XMOS solution can be deployed with up to 32, enabling improved user experiences through higher signal-to-noise performance and enhanced control of both sensitivity and directivity.
Integrating control and DSP functions in a single device, the xCORE-200 interfaces directly with digital MEMS microphones, allowing designers to create highly differentiated products while reducing their total system BOM.

Visit XMOS at www.xmos.com

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