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A
PPENDIX
A. F
ILE 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
T
HE
R
OCKBOX MANUAL
I
RIVER
H3
XX