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Sonic Visualiser is an application for inspecting and analysing the contents of music audio files. It combines powerful waveform and spectral visualisation tools with automated feature extraction plugins and annotation capabilities.

What's New

Version 2.3.0:
  • Add a startup welcome dialog that also explains what SV makes network connections for and allows user to forbid them
  • Add "Export Audio Data" feature
  • Show piano keyboard scale in note and time-value layers as well as spectrogram, where vertical scale is log Hz; also show numerical scale in note and region layers when not auto-aligned
  • Speed up CSV file more...


  • OS X 10.6 or later

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Sonic Visualiser User Discussion

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Sjha Member IconReview+124

A superb application for the musician. It will do everything that the paid music analysis apps do - and for free. Very powerful. And with the available plug-ins permits such procedures as chord analysis, beat and bar tracking, as well as slow-down, pitch change...in fact it really can do most anything a musician wants

Reply0 replies
Version 2.3.0
GeoProf Member IconComment+881

Sonic Visualizer 2.0 (which is just a maintenance release, despite it’s major version increment) has been available since July. You can download it from here: http://www.sonicvisualiser.org/download.html .

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Version 1.9
Hkim Member IconReview+170

This is a must have bit of software for any music theorist that wants to indulge in some of the same sonic analysis of music that Robert Cogan came up with some years ago.
Being freeware is also remarkable too

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Version 1.9
Acwolf Member IconReview+157

This is AWESOME. Wonderful sound, amazing capabilities, what else can you ask for FREE??

I recommend this instead of paying for commercial slow-down practice software, it does that and more. Works with LADSPA and VAMP plugins, can save in all sorts of ways. See waveforms, loop sections, etc. etc. opens mp3 and other file formats...
Everything for me works great except crashing during one 3rd-party plugin, so I just don't use that one.

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Version 1.7.1
G. I. Member IconComment+40
G. I.

Useless, can't open any sound file.

Reply1 reply
Version 1.7.1
G. I.

Downloaded the previous 1.7.0 version and it works on 10.4. Go figure.

user icon+22
Diogo Cocharro
Version 1.7.2
> 5 4


Current Version (2.x)


Downloads 5,273
Version Downloads 554
License Free
Date 18 Dec 2013
Platform Intel 64 / OS X
Price Free
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