Sound eXchange, abbreviated SoX, is a free digital audio editor which is licensed under the GPL and distributed by Chris Bagwell through SourceForge. SoX is written in standard C, with a command-line interface.
Features:
- Multi-platform (Microsoft Windows, GNU/Linux, Sun Solaris, Mac)
- Reading and writing AU, WAV, AIFF, MP3 (via an external LAME MP3 encoder), Ogg Vorbis, FLAC and other file formats
- Recording and playing audio (on Unix-like systems)
- Editing via concatenate, trim, pad, repeat, reverse, volume, fade
- Processing via chorus, flanger, echo, phaser, compressor, filter (high-pass, low-pass, shelving, etc.)
- Speed (pitch and tempo), pitch (without tempo), and tempo (without pitch) adjustment
- Noise removal
- Simple audio synthesis
- Multi-file & multi-track mixing
- Multi-file merging (e.g. 2 mono to 1 stereo)
