Product description: ReSpeaker for Raspberry Pi - module with 4 microphones
4 microphone version of the ReSpeaker board extension board for Raspberry, Designed for AI and voice applications. Allows you to build a powerful device that, among other things, supports services such as Amazon Alexa and Google Assistant.
The overlay is developed based on two four-channel analog-to-digital converters AC108, for high-resolution voice capture and DAC AC101. By using 4 microphones and an LED ring , the Raspberry will be able to detect sound and indicate the direction it is coming from.
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User Manual The manufacturer has prepared a user guide with sample code. |
ReSpeaker module pinouts
| Lp. | Name | Description |
|---|---|---|
| 1. | MIC 1-4 | Four analogue microphones |
| 3. | 40-Pin | Connector for direct connection of overlay with Raspberry |
| 4. | AC108 | Integrated four-channel analog-to-digital converter |
| 5. | AC101 | Integrated digital-to-analog converter |
| 6. | I2C | Grove I2C connector |
| 7. | GPIO | Grove digital connector |
| 8. | Speaker | Speaker connector |
| 9. | HeadSet | Headphone connector |
ReSpeaker 4-mic Circular Array - advanced audio module for Raspberry Pi minicomputers
Audio module for Raspberry Pi is equipped with Grove digital audio connector and excellent SPU0414HR5HSB microphone array with -22 dBFS sensitivity. Such technical parameters allow for professional use of the hardware.
If you need a more or less advanced board, also check out the other devices available in this category. At Botland we also have ReSpeaker expansion boards with three or six built-in microphones.
ReSpeaker for Raspberry Pi - module with 4 microphones
ReSpeaker for Raspberry Pi - module with 4 microphones - is a professional expansion card for artificial intelligence and advanced voice applications. The 4 high sensitivity microphones allow you to capture the highest quality audio.
The ReSpeaker 4-mics Array board features two AC108 four-channel DACs that provide great quality voice capture. With these and the AC101 DAC, you can get great results when working with Google, Amazon, and other voice systems.
ReSpeaker for Raspberry Pi.
Technical specifications of ReSpeaker for Raspberry
- The overlay works with Raspberry versions: 3B+, 3B, 2B, B, Zero
- Audio capture within a 3 meter radius
- AD/DA Chips: 2 x X-Power AC108 ADC; 1 x X-Power AC101 DAC
- Microphone: SPU0414HR5HSB
- Sensitivity: -22 dBFS
- SNR: 59 dB
- Weight: 132 g
