ReSpeaker USB Mic矩陣麥克風
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http://wiki.seeedstudio.com/ReSpeaker-USB-Mic-Array/
產å“特色
Far-field voice capture
Support USB Audio Class 1.0 (UAC 1.0)
Four microphones array
12 programmable RGB LED indicators
Speech algorithms and features
Voice Activity Detection
Direction of Arrival
Beamforming
Noise Suppression
De-reverberation
Acoustic Echo Cancellation
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