Sonic Visualiser
 | |
| Developer(s) | Centre for Digital Music at Queen Mary, University of London |
|---|---|
| Stable release | 4.5.2[1]
/ 3 May 2023 |
| Repository | |
| Written in | C++ |
| Operating system | Linux, MacOS, Windows |
| Type | Audio analysis |
| License | GPL-2.0-or-later[2] |
| Website | www |
Sonic Visualiser is an application for viewing and analysing the contents of music audio files. It is a free software distributed under the GPL-2.0-or-later licence.[3]
History[edit]
Sonic Visualiser was developed at the Queen Mary University of London's Centre for Digital Music in 2007. It was written in C++ with Qt and released under the terms of the GNU GPL.[3]
Overview[edit]
Sonic Visualiser represents acoustic features of the audio file either as a waveform or as a spectrogram.[4] Spectrogram is a heatmap, where horizontal axis represents time, vertical axis represents frequency, and the colors show presence of frequencies. Sharpness and smoothness of the spectrogram can be configured.[5] There are three types of spectrogram:
- generic spectrogram
- melodic-range spectrogram
- peak-frequency spectrogram
Generic spectrogram covers the full frequency range and uses linear frequency scale. Melodic-range spectrogram covers the range which usually contains musical detail. Peak-frequency spectrogram performs phase difference calculations and estimates exact frequencies at each peak cell.[3]
The interface consists of panes and layers. Panes allow to display multiple visualisations simultaneously, and they get aligned in the time axis. A pane can have multiple layers which are used for annotation.[3] The user can configure color schemes for layers, and they can be navigated by clicking the labeled tabs.[5]
There are multiple types of annotation layers which can be edited, including time instants, time-value plots, labels and images. Time instants do not have any associated value, and they can be used to annotate points (e.g. beat locations).[3] Annotations allow the user to clarify relationships between musical parameters.[4]
Sonic Visualiser supports third-party plugins in the Vamp plugin format. The plugins take audio input and parameters and return values for display.[3] There are plugins which compute spectral flux and spectral centroid. Other plugins include automatic melody extraction, beat finding, chord analysis, etc.[5]
Sonic Visualiser is available for Linux, OS X, and Windows operating systems.[3]
See also[edit]
References[edit]
- ^ "Sonic Visualiser v4.5.2". Retrieved 17 May 2023.
- ^ "Sonic Visualiser license". Archived from the original on 2021-05-09.
- ^ a b c d e f g Cannam, Chris; Landone, Christian; Sandler, Mark (October 2010). "Sonic visualiser: An open source application for viewing, analysing, and annotating music audio files" (PDF). Proceedings of the 18th ACM international conference on Multimedia. pp. 1467–1468. doi:10.1145/1873951.1874248. ISBN 978-1-60558-933-6. Retrieved January 18, 2024.
- ^ a b Dolan, David; Slaboda, John; Jensen, Henrik Jeldtoft; Cruts, Bjorn; Feygelson, Eugene (2013). "The improvisatory approach to classical music performance: an empirical investigation into its characteristics and impact" (PDF). Music Performance Research. 6. Retrieved January 19, 2024.
- ^ a b c Thompson, Marc R. (December 1, 2021). "Sonic Visualiser: Visualisation, Analysis, and Annotation of Music Audio Recordings". Journal of the American Musicological Society. 74 (3): 701–714. doi:10.1525/jams.2021.74.3.701. Retrieved January 20, 2024.