WaveSurfer is a tool for sound visualization and manipulation.
Typical applications are speech/sound analysis and sound annotation/transcription. WaveSurfer may be extended by plug-ins as well as embedded in other applications.
This is free and open source software.
Key Features
- Basic audio editing operations including excision, copying, pasting, zero-crossing adjustment, and effects such as fading, normalization, echo, inversion, reversal, replacement with silence, and DC-removal.
- Customizable – users can create their own configurations. Localization support.
- Extensible – new functionality can be added through a plugin architecture
- Embeddable – WaveSurfer can be used as a widget in custom applications
- Transcription file formats – reads, and writes HTK (and MLF), TIMIT, ESPS/Waves+, and Phondat. Support for encodings and Unicode.
Cross-platform support – runs under Linux, macOS, and Windows.
Website: sourceforge.net/projects/wavesurfer/
Support:
Developer: Jonas Beskow and Kare Sjolander
License: BSD-like License

WaveSurfer is written in Tcl. Learn Tcl with our recommended free books and free tutorials.
Related Software
| Audio Editors | |
|---|---|
| Audacity | Multi-track audio editor and recorder |
| SoX | Swiss Army knife of sound processing programs |
| LosslessCut | Swiss army knife of lossless video/audio editing |
| Tenacity | Cross-platform multi-track audio editor/recorder; fork of Audacity |
| Auto-Editor | Automatically edit video and audio |
| audapolis | Editor for spoken-word media with transcription |
| Kwave | Sound editor built on the KDE Frameworks 5 |
| Cecilia | Audio signal processing environment aimed at sound designers |
| GWC | Gnome Wave Cleaner |
| Snd | An advanced sound editor modeled loosely after Emacs |
| Reco | Audio recording app designed for elementary OS |
| pxtone collab | Sample-based music editor |
| Sound Recorder | Straightforward way to record and play audio with simple interface |
| mp3splt | Command-line tool to split mp3, ogg vorbis and FLAC files without decoding |
| WaveSurfer | Tool for sound visualization and manipulation |
| Sweep | Audio editor and live playback tool |
| mhWaveEdit | Simple and fast sound editor |
Read our verdict in the software roundup.
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