Always-on Voice Activity Detection interfacing with analog microphones with embedded microphone bias.

Overview

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.

Key Features

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

Block Diagram

Always-on Voice Activity Detection interfacing with analog microphones with embedded microphone bias. Block Diagram

Technical Specifications

Foundry, Node
TSMC 22nm uLL
Maturity
Pre-silicon
TSMC
Pre-Silicon: 22nm
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Semiconductor IP