Seeed Studio ReSpeaker Quad Microphone Linear Array Add On Board for Raspberry Pi

Seeed’s ReSpeaker 4-MicsLinear Array Kit for Raspberry Pi is an extension board, aka HAT designed for Raspberry Pi. It's a linear microphone array kit, comes with four microphones and designed for AI and voice applications. That means you can build a more powerful and flexible voice product with Raspberry Pi which can integrate Amazon Alexa Voice Service, Google Assistant, and so on.ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi consists of two boards, one is voice accessory HAT, another is four microphones linear array.

2 ADC chips and 1 DAC chip
8 input and 8 output channels
Four microphones array
Grove support
Compatible with Raspberry Pi 40-pin headers
Headset and speaker voice output
Application Ideas:
Smart speaker
Intelligent voice assistant systems
Voice recorders
Voice conferencing system
Meeting communicating equipment
Voice interacting robot
Car voice assistant
Other scenarios need voice command