The drivers for ReSpeaker Mic Hat, ReSpeaker 4 Mic Array, 6-Mics Circular Array Kit, and 4-Mics Linear Array Kit for Raspberry Pi.
Get the seeed voice card source code and install all linux kernel drivers
git clone https://github.com/respeaker/seeed-voicecard
cd seeed-voicecard
sudo ./install.sh
sudo rebootNote If you have 64-bit version of Rasperry Pi OS, use install_arm64.sh script for driver installation.
Up to date documentation for reSpeaker products can be found in Seeed Studio Wiki!
Estimate the magnitude squared coherence using Welch’s method.
Note: 'CO 1-2' means the coherence between channel 1 and channel 2.
# How to get the coherence of the captured audio(a.wav for example).
sudo apt install python-numpy python-scipy python-matplotlib
python tools/coherence.py a.wav
# Requirement of the input audio file:
- format: WAV(Microsoft) signed 16-bit PCM
- channels: >=2If you want to upgrade the driver , you need uninstall the driver first.
pi@raspberrypi:~/seeed-voicecard $ sudo ./uninstall.sh
...
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Please reboot your raspberry pi to apply all settings
Thank you!
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Enjoy !
For hardware testing purposes we made a Rasperry Pi OS 5.10.17-v7l+ 32-bit image with reSpeaker drivers pre-installed, which you can download by clicking on this link.
We provide official support for using reSpeaker with the following OS:
- 32-bit Raspberry Pi OS
- 64-bit Raspberry Pi OS (experimental support)
And following hardware platforms:
- Raspberry Pi 3 (all models), Raspberry Pi 4 (all models), Raspberry Pi Zero and Zero W
Anything beyond the scope of official support is considered to be community supported. Support for other OS/hardware platforms can be added, provided MOQ requirements can be met.
If you have a technical problem when using reSpeaker with one of the officially supported platforms/OS, feel free to create an issue on Github. For general questions or suggestions, please use Seeed forum.