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Analog to Digital Converter to be embedded in digital microphones, with ultra low power Voice Activity Detection (VAD)
The growing interactivity between humans and devices goes through the voice in many cases. The need for smart devices with long battery life is pivotal to enable sensing user needs all along the day.
Dolphin Integration brings intelligence to digital microphones thanks to its Virtual component mMOD71.5-Rooster-LR- VD.03. It supports multiple operating modes for recording and listening, enabling to signicantly reduce the overall power consumption, down to 35 μA in voice detection mode, with best in class audio quality.
The mMOD71.5-Rooster-LR-VD.03 encompasses an ADC modulator, a cap-less linear regulator, the WhisperTrigger Voice Activity Detector, PDM interface and a mode controller.
The ADC modulator provides best sound recording quality thanks to its embedded low-quiescent current linear regulator for noise resilience.
The fast wake-up time of the ADC combined with the analog WhisperTriggerTM insure best keyword spotting performances without extra memory buffer.
Dolphin Integration brings intelligence to digital microphones thanks to its Virtual component mMOD71.5-Rooster-LR- VD.03. It supports multiple operating modes for recording and listening, enabling to signicantly reduce the overall power consumption, down to 35 μA in voice detection mode, with best in class audio quality.
The mMOD71.5-Rooster-LR-VD.03 encompasses an ADC modulator, a cap-less linear regulator, the WhisperTrigger Voice Activity Detector, PDM interface and a mode controller.
The ADC modulator provides best sound recording quality thanks to its embedded low-quiescent current linear regulator for noise resilience.
The fast wake-up time of the ADC combined with the analog WhisperTriggerTM insure best keyword spotting performances without extra memory buffer.
特色
- Voice activity detector enables drastic reduction in power consumption
- Embedded Cap-less voltage regulator
- Self-adjustment to background noise
- Noise Floor information to achieve best voice detection irrespective of the environment
- Multiple operating modes
- Enables a direct connection to a pre-amplifier
Block Diagram of the Analog to Digital Converter to be embedded in digital microphones, with ultra low power Voice Activity Detection (VAD)
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