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Appendix B. Audio and metadata formats
mance requirements.
B.1.2. Lossless Codecs
Format
Audio Interchange File Format
Monkey's Audio
Sun Audio
Free Lossless Audio
Apple Lossless
Shorten
True Audio
Wave64
Waveform audio format
Wavpack
Note: Free Lossless Audio multichannel tracks may not play in realtime on all devices
due to CPU performance requirements.
The Rockbox manual
Extension
.aif, .aiff
.ape, .mac
.au, .snd
.flac
.m4a, .mp4
.shn
.tta
.w64
.wav
.wv
(version 3.14)
Notes
Linear PCM 8/16/24/32 bit, IEEE
float 32/64 bit, ITU-T G.711 a-
law/ -law, QuickTime IMA AD-
PCM
Linear PCM 8/16/24/32 bit, IEEE
float 32/64 bit, ITU-T G.711 a-
law/ -law
Supports multichannel playback in-
cluding downmixing to stereo.
Seeking not supported.
Supports same formats as Wave-
form audio format.
Linear PCM 8/16/24/32 bit, IEEE
float 32/64 bit, ITU-T G.711 a-
law/ -law, Microsoft ADPCM, In-
tel DVI ADPCM (IMA ADPCM)
2/3/4/5 bit, Dialogic OKI AD-
PCM, YAMAHA ADPCM, Adobe
SWF ADPCM
214
Sansa Fuze+
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