xCORE-VOICE Smart Microphone | XMOS

XVSM-2000 SMART MICROPHONE

 

xCORE-VOICE Interface processors with high-performance DSP and flexible I/O provide the ideal platform for smart microphones in far-field applications.

The xCORE-VOICE USB Smart Microphone (XVSM-2000) combines high performance microphone aggregation with advanced DSP technology and xCORE’s industry leading control and connectivity.

The XVSM-2000 can be used stand-alone as a USB conferencing solution, or embedded with an Applications Processor to provide a high-integrity voice interface for applications such as voice controlled IoT devices. Offering advanced DSP capabilities including beamforming, acoustic echo cancellation and de-reverb ensure that voice sources can be delivered with the highest possible quality, guaranteeing the best user-experience. Audio output processing enables full-duplex communication, either with conference participants, or speech recognition systems.

XVSM-2000 Task Diagram

XVSM-2000 Task Diagram

 

xCORE-VOICE XVSM-2000 PROCESSOR

  • xCORE-VOICE XVSM-2000 processor
    • Programmable multicore microcontroller
    • Integrated microphone and voice DSP
      • Beamforming with configurable beam width and non-stationary noise suppression (up to 20dB attenuation)
      • Echo cancellation (up to 80dB att.)
      • Stationary noise suppression (up to 20dB att.)
      • De-reverb (up to 20dB att.)
  • Backhaul
    • High speed USB2.0 compliant device Multichannel USB Audio Class 2.0
    • Optional TDM (time division multiplexed) interface
  • Voice capture
    • Up to 16 element PDM microphone array
    • Up to 100dB SNR
  • Audio output options
    • I2S mono/stereo output
    • DSP options: compressor, limiter
  • System control options
    • Industry’s most flexible GPIO
    • Extensive general purpose libraries

 


XVSM-2000 SAMPLE HOLDERS: SOFTWARE AND DOCUMENTATION

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