Microphone Speech Voice Recognition Module for Raspberry Pi Array 4-Mic Based on AC108 for AI


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ReSpeaker 4-Mic Array is a quad-microphone expansion board for Raspberry Pi designed for AI and voice applications. This means you can build a more powerful and flexible voice product that integrates Amazon Alexa Voice Service, Google Assistant, and so on.

MIC: 4 analog microphones
LED: 12 APA102 programable RGB LEDs, connected to SPI interface
Raspberry-Pi 40-Pin Headers: Support for Raspberry Pi Zero, Zero W, Pi B+ / 2 B / 3 B / 3 B+ / 3 A+ / 4B.
AC108: highly integrated quad-channel ADC with I2S/TDM output transition
I2C: Grove I2C port, connected to I2C-1
GPIO12: Grove digital port, connected to GPIO12 and GPIO13
Software Algorithm: Voice Activity Detection, DOA and Keyword Search
Voice Capture Distance: 3 meters radius voice capture
Dimensions: 65mm x 65mm x 9mm
Weight:  38g

Package Including 1 * ReSpeaker 4-Mic Array for Raspberry Pi

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