https://github.com/cwilso/PitchDetect

Pitch detection in Web Audio using autocorrelation
https://github.com/cwilso/PitchDetect

Last synced: 18 days ago
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Pitch detection in Web Audio using autocorrelation

• Host: GitHub
• URL: https://github.com/cwilso/PitchDetect
• Owner: cwilso
• License: mit
• Created: 2012-07-20T00:13:02.000Z (over 12 years ago)
• Default Branch: main
• Last Pushed: 2022-09-14T22:17:07.000Z (about 2 years ago)
• Last Synced: 2024-10-15T17:43:14.442Z (29 days ago)
• Language: JavaScript
• Homepage: https://cwilso.github.io/PitchDetect/
• Size: 50.8 KB
• Stars: 1,303
• Watchers: 54
• Forks: 437
• Open Issues: 17
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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README

        
# Simple pitch detection

I whipped this app up to start experimenting with pitch detection, and also to test live audio input.  It used to perform a naive (zero-crossing based) pitch detection algorithm; now it uses a naively-implemented auto-correlation algorithm in realtime, so it should work well with most monophonic waveforms (although strong harmonics will throw it off a bit).  It works well with whistling (which has a clear, simple waveform); it also works pretty well to tune my guitar.

Live instance hosted on Github at https://cwilso.github.io/PitchDetect/.

Check it out, feel free to fork, submit pull requests, etc.  MIT-Licensed - party on.

-Chris