Affiliate reviews Seeed Studio ReSpeaker 4-Mic Array for Raspberry Pi, Raspberry Pi Microphone
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| Brand | Seeed studio |
| Color | 4-Mics Array |
| Compatible Devices | Headphone |
| Number of Batteries | 1 Lithium ion batteries required. |
| Item Weight | 0.08 Pounds |
| Number of Channels | 4 |
- ReSpeaker 4-Mic Array for Raspberry Pi（Pi 3/Pi 4 B +) is a 4 microphone expansion board for Raspberry Pi designed for AI and voice applications. This means that you can build a more powerful and flexible voice product that integrates Amazon Alexa Voice Service, Google Assistant, and so on.
- Different from ReSpeaker 2-Mics Pi HAT, this board is developed based on AC108, a highly integrated quad-channel ADC with I2S/TDM output transition for high definition voice capture.
- Besides, this 4-Mics version provides a super cool LED ring, which contains 12 APA102 programmable LEDs.With that 4 microphones and the LED ring, Raspberry Pi would have ability to do VAD(Voice Activity Detection), estimate DOA(Direction of Arrival) and show the direction via LED ring, just like Amazon Echo or Google Home.
- This Raspberry Pi microphone support all Raspberry Pi models, including Raspberry Pi Zero, Raspberry Pi 1 B+, Pi 2 B, Pi 3 B, Pi 3 B+，Pi 4 B.
- ReSpeaker 4-Mic array does not have audio output. If this is a requirement please consider the ReSpeaker 6-Mic Circular Array Kit For Raspberry Pi, the ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi , or the ReSpeaker Mic Array v2.0.
Product Description
Note
Please note that the package does not contain Raspberry Pi.
Please note that there are no any audio output interfaces on ReSpeaker 4-Mic Array for Raspberry Pi. It is only for voice capture. And you could use the headphone jack on Raspberry Pi for audio output.
Technical details
Dimensions：65mm x65mm x9mm
Weight：G.W 38g
Battery：Exclude
MIC：4 analog microphones
LED：12 APA102 programable RGB LEDs, connected to SPI interface
Raspberry Pi 40-Pin Headers：support Raspberry Pi Zero, Raspberry Pi 1 B+, Pi 2 B, Pi 3 B, Pi 3 B+，Pi 4 B
AC108：highly integrated quad-channel ADC with I2S/TDM output transition
Software Algorithm：VAD(Voice Activity Detection), DOA(Direction of Arrival) and KWS(Keyword Search)
Grove：2 Grove Interfaces
Voice Capture Distance：3 meters radius voice capture
Part List：
ReSpeaker 4-Mic Array for Raspberry Pi*1
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