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連接

• 步驟1.通過帶狀電纜 將ReSpeaker語音附件HAT與ReSpeaker 4-Mic線性陣列連接
• 步驟2.通過40引腳GPIO 將ReSpeaker語音附件HAT插入Raspberry Pi
• 步驟3. 將耳機插入3.5毫米耳機音頻插孔或將揚聲器插入JST 2.0揚聲器插孔
• 步驟4.通過micro-USB線 將Raspberry Pi與PC連接

ReSpeaker 4-Mic Linear Array Kit  for Raspberry Pi (107990056)

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 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.

Features

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

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

資料連結：http://wiki.seeedstudio.com/ReSpeaker_4-Mic_Linear_Array_Kit_for_Raspberry_Pi/

Assembly drawing

Technical Details

• Weight：G.W 132g
• Battery：Exclude
• 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)
• Microphones：SPU0414HR5HSB
• Sensitivity：-22 dBFS (Omnidirectional)
• SNR：59 dB

Part List

• 1 x ReSpeaker Voice Accessory HAT 1
• 1 x ReSpeaker 4-Mic Linear Array for Voice Accessory HAT 1
• 1 x 20cm Ribbon Cable