This Voice assembly is an assembly of a PDM to PCM IP with an integrated smart DMA to autonomously manage data transfer without waking up the CPU when voice is detected.

Key Benefits

  • PDM to PCM converter with up to 8 input channels
  • WhisperTrigger - low power Voice Activity Detector
  • Autonomous smart DMA
  • Single APB control interface

Key Performances

  • 115 dB SNR, A-Weighted
  • -110 dB THD+N @ FS-1dB
  • 98.5 % voice detected as a voice within the first phoneme