The WT-a-HD-MC.03 is a mixed analog/digital Virtual Component (ViC) containing a Voice Activity Detection (VAD) engine for ultra low power applications and a low-power microphone bias.

Key Benefits

  • Voice activity detector enables drastic reduction in power consumption
  • Self-adjustment to background noise
  • Ambient Noise sensing
  • Embedded mic bias


  • Home Appliance
  • Infotainment
  • Smart Headset
  • Smart Speaker
  • TWS Earpods
  • Voice-controlled devices
  • Voice Assistant

Key Performances

  • WhisperTrigger ensures 100% detection of vowels in less than 30% of the first phoneme
  • 97.7% of Voice detected as a Voice (VDV) within the first phoneme
  • 3.6% of Noise detected as Voice (NDV)
  • <10 uA of power consumption