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Appendix A. File formats 141
A.2 Supported audio formats
Format Extension Notes
Lossy codecs
MPEG audio .mp1, .mpa, .mp2,
.mp3
OGG/Vorbis .ogg, .oga Some old “floor 0” files
may crash Rockbox.
Musepack .mpc
Advanced Audio Coding .m4a, .m4b, .mp4
Windows Media Audio .wma, .wmv, .asf
ATSC A/52 .a52, .ac3 Supports downmixing
for playback of 5.1
streams in stereo.
ADX .adx
Speex .spx
Lossless codecs
Waveform audio format .wav
Audio Interchange File Format .aif, .aiff
Free Lossless Audio .flac
Apple Lossless .m4a, .mp4
Wavpack .wv
Shorten .shn Seeking not supported.
Monkey’s Audio .ape, .mac -c1000 to -c3000 files de-
code fast enough to be
useful.
Other codecs
Sound Interface Device .sid
MOD .mod
NES Sound Format .nsf, .nsfe
SPC700 .spc
Atari SAP .sap
The Rockbox manual Toshiba Gigabeat F Series