PRODUCT DETAILS

Features

• 2 ADC chips and 1 DAC chip
• 8 input and 8 output channels
• 4 microphones array
• Grove support
• Compatible with Raspberry Pi 40-pin headers and support Raspberry Pi 4
• Headset and speaker voice output

Description

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.

ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi support 8 input & 8 output channels in the Raspbian system. The first 6 input channels for microphone recording(only first 4 input channels are valid capture data), the rest of the 2 input channels are echo channels of playback. The first 2 output channels for playing, the rest of the 6 output channels are dummy.

What is ReSpeaker? 

ReSpeaker is an open modular voice interface to hack things around you. Let you interact with your home appliances, your plant, your office, your internet-equipped devices, or any other things in your daily life, all by your voice. The ReSpeaker project provides hardware components and software libraries to build a voice-enabled device.

Applications

• 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

Technical details

Part List

Links

• Wiki ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi
• AC101 Datasheet
• AC108 Datesheet
• Seeed-Voice Driver
• Algorithms includes DOA, VAD, NS
• Voice Engine project, provides building blocks to create voice enabled objects
• AEC

Video