A software tool for the manipulation of audio recordings. Wavesurfer provides basic audio editing function, such as excision, copying, pasting, zero-crossing adjustment, and effects such as fading, normalization, echo, inversion, reversal, replacement with silence, and DC-removal.

Features:

Audio format support, including WAV, AU, AIFF, MP3, CSL, SD, Ogg/Vorbis, and NIST/Sphere

Read/write support for HTK (and MLF), TIMIT, ESPS/Waves+, and Phondat transcription formats

Direct-to-disk playback/recording enabling use of audio recordings larger than available memory

Plug-in architecture

built-in script interpreter