ReSpeaker 4-Mic Array for RPi

SKU: 12-014

1,590.00

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Description

Introduction :

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

Different from ReSpeaker 2-Mics Pi HAT, this board is developed based on AC108, a highly integrated quad-channel ADC with I2S/TDM output transition for high definition voice capture. Besides, this 4-Mics version provides a super cool LED ring, which contains 12 APA102 programmable LEDs. With that 4 microphones and the LED ring, Raspberry Pi would have ability to do VAD(Voice Activity Detection), estimate DOA(Direction of Arrival) and show the direction via LED ring, just like Amazon Echo or Google Home.

 

Features :

  1. Raspberry Pi compatible(Support Raspberry Pi Zero and Zero W, Raspberry Pi B+, Raspberry Pi 2 B and Raspberry Pi 3 B)
  2. 4 Microphones
  3. 3 meters radius voice capture
  4. 2 Grove Interfaces
  5. 12 APA102 User LEDs
  6. Software Algorithm: VAD(Voice Activity Detection), DOA(Direction of Arrival) and KWS(Keyword Search)

 

Specification :

  1. Dimensions: 65mm x 65mm x 9mm
  2. Weight: G.W 20g
  3. Battery: Exclude
  4. MIC: 4 analog microphones
  5. LED: 12 APA102 programable RGB LEDs, connected to SPI interface
  6. Raspberry Pi 40-Pin Headers: support Raspberry Pi Zero, Raspberry Pi 1 B+, Raspberry Pi 2 B and Raspberry Pi 3
  7. AC108: highly integrated quad-channel ADC with I2S/TDM output transition

 

Please note:There are no any audio output interfaces on ReSpeaker 4-Mic Array for Raspberry Pi. It is only for voice capture. And you could use the headphone jack on Raspberry Pi for audio output.

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