sox/git/FEATURES.in

9 ** PCM, u-law, A-law
16 * Grandstream ring-tone files
19 * LPC-10 files
22 * AMR-WB & AMR-NB (with optional libamrwb & libamrnb libraries)
32 * Yamaha TX-16W sampler files
37 ** u-law, A-law, MS ADPCM, IMA (DMI) ADPCM
41 * Psion (palmtop) A-law WVE files and Record voice notes
45 * The "null" pseudo-file that reads and writes from/to nowhere
51 ** allpass: RBJ all-pass biquad IIR filter
52 ** bandpass: RBJ band-pass biquad IIR filter
53 ** bandreject: RBJ band-reject biquad IIR filter
54 ** band: SPKit resonator band-pass IIR filter
58 ** highpass: High-pass filter: Single pole or RBJ biquad IIR
60 ** lowpass: Low-pass filter: single pole or RBJ biquad IIR
61 ** sinc: Sinc-windowed low/high-pass/band-pass/reject FIR
68 ** echos: Add a sequence of echos
70 ** overdrive: Non-linear distortion
72 ** repeat: Loop the audio a number of times
74 ** reverse: Reverse the audio (to search for Satanic messages ;-)
81 ** fade: Apply a fade-in and/or fade-out to the audio
84 ** mcompand: Multi-band compression/expansion/limiting
89 ** pad: Pad (usually) the ends of the audio with silence
90 ** silence: Remove portions of silence from the audio
91 ** splice: Perform the equivalent of a cross-faded tape splice
92 ** trim: Cuts portions out of the audio
96 ** channels: Auto mix or duplicate to change number of channels
99 ** swap: Swap pairs of channels
113 ** deemph: ISO 908 CD de-emphasis (shelving) IIR filter
115 ** noisered: Filter out noise from the audio
116 ** oops: Out Of Phase Stereo (or `Karaoke') effect
120 ** noiseprof: Produce a DFT profile of the audio (use with noisered)
126 ** ladspa: Apply LADSPA plug-in effects e.g. CMT (Computer Music Toolkit)
131 * Low-level signal processing effects
132 ** biquad: 2nd-order IIR filter using externally provided coefficients
140 effects) using any one of the following combiner methods: