ReSpeaker USB Mic Array Far-Field Microphone Array Intelligent Speech Recognition Development Board Acoustics with Case

• ReSpeaker USB Mic Array Far-field Microphone Array Intelligent Speech Recognition Development Board Acoustics with Case

Far-field voice capture
Support USB Audio Class 1.0 (UAC 1.0)
Four microphone array
12 programmable RGB LED indicators
Speech algorithms and functions
Voice activity detection
Direction detection
Beamforming
Noise suppression
Dereverb
Echo cancellation
Specification:
XVF-3000 by XMOS
4 high-performance digital microphones
Support far-field voice capture
On-chip speech algorithm
12 programmable RGB LED indicators
Microphone: ST MP34DT01TR-M
Sensitivity: -26 dBFS (omnidirectional)
Acoustic overload point: 120 d L
Signal to noise ratio: 61 dB
Power: 5V DC from Micro USB
Size: 70mm (Diameter)
3.5mm audio jack output socket
Power consumption: 5V, 180mA when LED is on, 170mA when LED is on
um sampling rate: 16Khz