<p>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.</p><p>Features: </p><p>Audio format support, including WAV, AU, AIFF, MP3, CSL, SD, Ogg/Vorbis, and NIST/Sphere</p><p>Read/write support for HTK (and MLF), TIMIT, ESPS/Waves+, and Phondat transcription formats</p><p>Direct-to-disk playback/recording enabling use of audio recordings larger than available memory</p><p>Plug-in architecture</p><p>built-in script interpreter</p>