Sonic Visualiser is an application for inspecting and analyzing the contents of music audio files. It combines powerful waveform and spectral visualization tools with automated feature extraction plugins and annotation capabilities.
Version 1.2 of Sonic Visualiser is now available.
This is a significant feature release, containing a number of new features over the previous 1.0 including an exciting new audio alignment capability. For more details, please read the release notes at
Sonic Visualiser contains advanced waveform and spectrogram viewers, as well as editors for many sorts of audio annotations. Besides visualisation, it can make and play selections based on the locations of automatically detected features, seamlessly loop playback of single or multiple noncontiguous regions, synthesise annotations for playback, and slow down playback while retaining display synchronisation. Sonic
Visualiser also supports the Vamp plugin API for plugins that extract descriptive or analytical data from audio.
Sonic Visualiser is Free Software distributed under the GNU General Public License. The 1.2 release is available now in source code form or as binaries for Linux, OS/X, and Windows.