APPENDIX A. FILE FORMATS 139
A.2 Supported audio formats
Format Extension Notes
Lossy codecs
MPEG audio .mp1, .mpa, .mp2,
.mp3
OGG/Vorbis .ogg 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 Only -c1000 decodes
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 IRIVER H3XX
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