Always-on Voice Activity Detection interfacing with analog microphones with embedded microphone bias.
WT-a-HD-MC.03 TSMC 22 uLL
Audio Platform - BAT / Voice Activity Detectors
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 always-listening applications and a low power microphone bias.
Voice activity detector enables drastic reduction in power consumption
Self-adjustment to background noise
Ambient Noise sensing
Embedded mic bias
WhisperTrigger ensures 100% detection of vowels in less than 60% of the first phoneme
97.7% of Voice detected as a Voice (VDV) within the first phoneme