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PDM-to-PCM converter with WhisperTrigger Voice detection feature
sDSA-VD-LP.02 is a PDM-PCM converter to interface with a digital microphone. This product optionally includes a unique WhisperTrigger™ -a hard-level voice trigger- and an Automatic Gain Control (AGC) for ensuring the best quality of the recording sound whatever the end-user environment.
特色
- PDM to PCM converter with 2 input channelsWhisperTrigger - low power Voice Activity DetectorPLL-less feature with programmable audio sampling frequency Fs from 8 to 192 kHzAutomatic Gain Control (AGC)Serial and parallel audio interface for digital audio data, 8-bit μC interface for control with I2C bridgeSoft mute mode
Block Diagram of the PDM-to-PCM converter with WhisperTrigger Voice detection feature
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