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The ReSpeaker Project


The website is still under construction

The ReSpeaker project provides hardware components and software libraries to build voice enabled device.


The hardware components include I2S microphone array for Raspberry Pi, USB microphone array for Linux/Windows/macOS, standalone ReSpeaker Core v1.0 & v2.0.

Microphone Array

USB 6+1 Mic Array 4 Mic Array for Pi 2 Mic Array for Pi USB 4 Mic Array
Microphones 7 4 2 4
Shape circular square rectangle circular
Interface USB I2S I2S USB
RGB LEDs 12 12 3 12
Audio Output Mono NA Stereo Mono
Note built-In algorithms coming soon

Standalone ReSpeaker Core

ReSpeaker Core v1 (MT7688) ReSpeaker Core v2 (RK3229)
CPU MT7688 (MIPS24KEc, 580 MHz) RK3229 (4 ARM Cortex A7 cores, 1.5GHz)
RAM 256 MB 1 GB
Microphones 1 6
Shape circular hexagon
Interfaces WiFi, USB device WiFi, Bluetooth, Ethernet, HDMI, USB otg/host
loopback NA 2 channels


Audio processing algorithms includes VAD, DOA, Beamforming, NS, AEC and KWS.