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Authors:

• A large part of the sound package (everything that concerns reading/writing different sound file format) is based on the libsndfile library by
  Erik de Castro Lopo

The adaptation and the remaining of the sound package has been written by

• Emmanuel Bacry
  Centre de Mathematiques Appliquées
  Ecole Polytechnique 91128 Palaiseau Cedex - France

• Rémi Gribonval
  Projet METISS
  Campus de Beaulieu
  IRISA-INRIA
  35042 Rennes cedex, France

Description

The sound package has a single command sound that mainly allows

• to read/write sound files using different formats (mainly aiff, wav, au, raw and lw for LastWave file format obtained via the standard read/write commands),
• to play/record a sound (on Unix computers you need some configuration

Moreover, this package allows to select/edit with the mouse regions of a signal that is displayed and play them

Examples

Selecting/editing/playing regions of a signal using the mouse

Selecting/editing/playing regions of a signal using the mouse

Using the mouse along with the ctrl key lets you select regions such as

You can 1) edit them by moving the vertical lines, 2) play one of them using the tab key (while the mous being in the region) or 3) play the whole signal hitting shit+tab