SoX is a command line utility that can convert various formats of computer
audio files in to other formats. It can also apply various effects to these
sound files during the conversion. As an added bonus, SoX can play and record
audio files on several unix style platforms.
Sox is a general purpose sound converter/player/recorder that supports the following formats:
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RAW sound data in various data styles
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RAW textual sound data
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Amiga 8svx files
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Apple/SGI AIFF files
SUN .au files
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PCM, U-law, A-law, G7xx ADPCM files
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mutant DEC .au files
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NeXT .snd files
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AVR files
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CD-R data (music CD format)
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CVS and VMS files (continous variable slope)
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GSM raw data (with optional library)
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Macintosh HCOM files
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Amiga MAUD files
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IRCAM SoundFile files
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NIST SPHERE files
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Turtle beach SampleVision files
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Soundtool (DOS) files
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Yamaha TX-16W sampler files
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Sound Blaster .VOC files
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Ogg Vorbis files
Microsoft .WAV files
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PCM, U-law, A-law, MS ADPCM, IMA ADPCM, GSM (optional)
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Psion (palmtop) A-law .WVE files
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Record and Play from OSS or ALSA /dev/dsp and Sun /dev/audio.
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nul file type that reads and writes from/to nothing.
The following effects can be applied to sound data:
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Channel averaging, duplication, and removal
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Band-pass filter
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Band-reject filter
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Chorus effect
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DCShift audio
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Deemphases filter
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Move soundstage to front of listener.
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Add an echo or sequence of echos
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Fade in or out
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Apply a flanger effect
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Apply a high-pass filter
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Apply a low-pass filter
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Display a list of loops in a file
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Add masking noise to a signal
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Pan sound between channels
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Apply a phaser effect
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Change the pitch of a sound file without effecting its speed.
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Change sampling rates using several different algorithms.
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Apply a reverb effect
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Reverse sound samples (to search for Satanic messages :)
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Detect periods of silence and start and stop processing based on it
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Change the speed of samples being played (without effecting pitch)
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Display general stats on sound samples
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Stretch/shorten the duration of a sound file.
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Swap stereo channels
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Create sounds with a simple synthesizer
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Trim audio data from beginning and end of file.
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Add the world-famous Fender Vibro-Champ effect
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Adjust volume of samples.
