File Formats: Supports a wide range of audio file formats.Audio Visualization: Visualize audio data in 3D.Audio Editing: Cut, copy, paste and mix audio.Audio Comparison: Compare audio files side-by-side.Audio Analysis: Powerful audio analysis and annotation tools.Annotation: Create labels and regions to annotate audio.Sonic Visualiser supports MP3, AIFF, WAV and OGG audio files. You can find information on this on the developer website. The integration of effect plugins and - to a limited extent - VST plugins is also possible. You can save all analysis results and text and image notes you have added yourself in a separate SV file and edit them later at any time. You can use a controller to adjust the playback speed, you can play back interesting passages more slowly in a loop - this way you can also track down fine details. Among other things, this enables automatic analyzes of the key, tempo, harmonies and many other components of the music. The app demonstrates its real strength in connection with so-called vamp plug-ins, which you can download free of charge for various systems. This begins with the rather simple representation of the waveform and ends not least with the spectrogram view. With Sonic Visualiser you can analyze your own and other people's pieces of music down to the smallest detail. More information on Sonic Visualiser.Free and open source audio file analysis software that views the waveform of a file and allows you to add annotation to it supporting MP3, WAV and OGG files. Sonic Visualiser is distributed under the GNU General Public License. €¢ Export audio regions and annotation layers to external files. €¢ Time-stretch playback, slowing right down or speeding up to a tiny fraction or huge multiple of the original speed while retaining a synchronised display. €¢ Select areas of interest, optionally snapping to nearby feature locations, and audition individual and comparative selections in seamless loops. €¢ Play back the audio plus synthesised annotations, taking care to synchronise playback with display. €¢ Import note data from MIDI files, view it alongside other frequency scales, and play it with the original audio. €¢ Import annotation layers from various text file formats. €¢ Run feature-extraction plugins to calculate annotations automatically, using algorithms such as beat trackers, pitch detectors and so on. €¢ View the same data at multiple time resolutions simultaneously (for close-up and overview). €¢ Overlay annotations on top of one another with aligned scales, and overlay annotations on top of waveform or spectrogram views. €¢ Annotate audio data by adding labelled time points and defining segments, point values and curves. €¢ Look at audio visualisations such as spectrogram views, with interactive adjustment of display parameters. €¢ Load audio files in WAV, Ogg and MP3 formats, and view their waveforms. 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 contains advanced waveform and spectrogram viewers, as well as editors for many sorts of audio annotations. The goal of the developers was to design a tool for musicians so they can study a musical recording, rather than simply listen to it. The Centre for Digital Music has released Sonic Visualiser, a free application for viewing and analyzing the contents of music audio files. The Centre for Digital Music Releases Sonic Visualiser
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