Appendix B. Audio and metadata formats 193
mance requirements.
B.1.2. Lossless Codecs
Format Extension Notes
Audio Interchange File Format .aif, .aiff Linear PCM 8/16/24/32 bit, IEEE
float 32/64 bit, ITU-T G.711 a-
law/µ-law, QuickTime IMA AD-
PCM
Monkey’s Audio .ape, .mac Only -c1000 files decode fast enough
to be useful.
Sun Audio .au, .snd Linear PCM 8/16/24/32 bit, IEEE
float 32/64 bit, ITU-T G.711 a-
law/µ-law
Free Lossless Audio .flac Supports multichannel playback in-
cluding downmixing to stereo.
Apple Lossless .m4a, .mp4
Shorten .shn Seeking not supported.
True Audio .tta
Wave64 .w64 Supports same formats as Wave-
form audio format.
Waveform audio format .wav Linear PCM 8/16/24/32 bit, IEEE
float 32/64 bit, ITU-T G.711 a-
law/µ-law, Microsoft ADPCM, In-
tel DVI ADPCM (IMA ADPCM)
2/3/4/5 bit, Dialogic OKI AD-
PCM, YAMAHA ADPCM, Adobe
SWF ADPCM
Wavpack .wv
Note: Free Lossless Audio multichannel tracks may not play in realtime on all devices
b
due to CPU performance requirements.
The Rockbox manual (version rUnversioned directory-150220)Sansa e200 and e200R Series
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