Sonic Visualiser is an application for viewing and analysing the contents of music audio files. It is free software distributed under the GPL-2.0-or-later that people use to visualise, analyse, and annotate sound files. The program is useful in musical as well as scientific work, and is notable for its ability to use highly specialised third-party plugins in the vamp plugin format. It was developed at the Queen Mary University of London's Centre for Digital Music and is compatible with Linux, OS X, and Windows operating systems. See also Comparison of free software for audio List of information graphics software Baudline Praat References External links Changelog / Release Notes Community and Developer Resources Documentation for version 3.1.1 Screenshots Videos Acoustics software Audio software Audio software for Linux Linux media players Numerical software Science software for Linux Science software for macOS Science software for Windows Time–frequency analysis Unix software