SOFTWARE ► Oscilloscope

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by Hansi Raber

A software oscilloscope made for looking at music. Drop an audio file in the application and watch the waveforms.


You can find older binary releases here

How to use

After starting the oscilloscope a welcome message is already loaded, press ▶︎ play to make sure your audio setup works. If it doesn't, open ⚙ settings and select another audio device.

To open files you can either click the folder icon, or drag a file from Explorer/Finder/Nautilus/... to the application.

TabHide interface
eExport to image sequence (defaults to 1920x1080@60fps, edit settings.txt to customize)


  • since 1.1.0 New export dialog and h264 export, support for loopback devices, version check
  • since 1.0.9 3-Channel audio, playlists
  • since 1.0.8 3D (side-by-side and anaglyph) when playing 4-channel files
  • since 1.0.7 Time Stretch audio files
  • since 1.0.6 Stereo Mic input
  • since 1.0.5 Supported Platforms: Windows and Mac OS X (32bit)
  • since 1.0.5 Image sequence export
  • since 1.0.1 Wav,Flac,Mp3 and a few other files are supported (through ffmpeg/libavcodec)
  • since 1.0.0 The aesthetic is very close to an analogue oscilloscope

Known Problems

Thanks. Thanks!

License/Source Code

  • You can find the project home and sourcecode freely available on github. The code itself is relased under the MIT license.
  • Based on Openframeworks, a creative coding library for C++. The larger part of it is licensed as MIT/BSD.
  • Uses FFmpeg to decode audio files. FFmpeg is licensed under the gpl/lgpl 2.1. The shared libraries included here were compiled to comply with the lgpl. A copy of the LGPL together with instructions how the library was compiled for each platform can be found in the docs/ffmpeg folder that is part of the release files. Alternatively (or if the files were not included by accident) you can find online versions of the compilation instructions and the LGPL as part of the ofxAvCodec project.


This software uses code of FFmpeg licensed under the LGPLv2.1 and its source can be downloaded here/here.