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 Raspbian system. The first 6 input channel for microphone recording(only first 4 input channels are valid capture data), rest of 2 input channel are echo channel of playback. The first 2 output channel for playing, rest of 6 output channel are dummy.
2 ADC chips and 1 DAC chip
Headset and speaker voice output
Intelligent voice assistant systems
Voice conferencing system
Meeting communicating equipment
Voice interacting robot
Car voice assistant
Other scenarios need voice command
|AD/DA Chips||2 x X-Power AC108 ADC; 1 x X-Power AC101 DAC|
|Voice Output||3.5mm headset audio jack / Speaker jack (JST 2.0)|
|Sensitivity||-22 dBFS (Omnidirectional)|
|1 x ReSpeaker Voice Accessory HAT||1|
|1 x ReSpeaker 4-Mic Linear Array for Voice Accessory HAT||1|
|1 x 20cm Ribbon Cable||1|
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