https://github.com/dim13/spectrogram

OpenBSD sndio Spectrogram
https://github.com/dim13/spectrogram

c fftw openbsd sound spectrogram visualization waterfall

Last synced: about 2 months ago
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OpenBSD sndio Spectrogram

• Host: GitHub
• URL: https://github.com/dim13/spectrogram
• Owner: dim13
• License: isc
• Created: 2014-04-07T20:47:35.000Z (over 10 years ago)
• Default Branch: master
• Last Pushed: 2022-07-02T19:38:21.000Z (over 2 years ago)
• Last Synced: 2024-05-19T00:37:24.904Z (8 months ago)
• Topics: c, fftw, openbsd, sound, spectrogram, visualization, waterfall
• Language: C
• Homepage: https://www.dim13.org/Spectrogram
• Size: 578 KB
• Stars: 14
• Watchers: 4
• Forks: 4
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Spectrogram

Visualisation hack for OpenBSD (sndio) and Linux (alsa) playback.

![spectrogram](spectrogram.png)

## OpenBSD

`sndiod` must be started in monitoring mode: `sndiod -m play,mon,midi`

## Linux

Build packages: `sudo apt install libfftw3-dev libasound2-dev libx11-dev`

Audo loopback device: `sudo modprobe snd-aloop`