©2006 Kåre Sjölander and Jonas Beskow

WaveSurfer is an Open Source tool for sound visualization and manipulation. It has been designed to suit both novice and advanced users. WaveSurfer has a simple and logical user interface that provides functionality in an intuitive way and which can be adapted to different tasks. It can be used as a stand-alone tool for a wide range of tasks in speech research and education. Typical applications are speech/sound analysis and sound annotation/transcription. WaveSurfer can also serve as a platform for more advanced/specialized applications. This is accomplished either through extending the WaveSurfer application with new custom plug-ins or by embedding WaveSurfer visualization components in other applications.


WaveSurfer 1.8.5 released November 01, 2005.

Changes in version 1.8.5


Multi-platform - Linux, Windows 95/98/NT/2K/XP, Macintosh, Sun Solaris, HP-UX, FreeBSD, and SGI IRIX
Flexible interface - handles multiple sounds
Common sound file formats - reads, and writes WAV, AU, AIFF, MP3, CSL, SD, Ogg/Vorbis, and NIST/Sphere
Transcription file formats - reads, and writes HTK (and MLF), TIMIT, ESPS/Waves+, and Phondat. Support for encodings and Unicode.
Unlimited file size - playback and recording directly from/to disk
Sound analysis - e.g. spectrogram and pitch analysis
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
Scriptable - hosts a built-in script interpreter

WaveSurfer is being developed at the Centre for Speech Technology (CTT) at KTH in Stockholm, Sweden, and is provided as open source, under a BSD style license.

If you have any questions, comments or bug-reports, please contact the authors on the WaveSurfer user forum

Last updated December 05, 2012.

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Published by: TMH, Speech, Music and Hearing

Last updated: September 21, 2010