Appendix A. File formats
A.2.3. Other Codecs
Format
Atari Sound Format
Synthetic music Mobile Application Format
MOD
NES Sound Format
Atari SAP
Sound Interface Device
SPC700
The Rockbox manual
Extension
Notes
.cmc, .cm3,
.cmr, .cms,
.dmc, .dlt,
.mpt, .mpd
Supports
.mmf
PCM/ADPCM only
.mod
.nsf, .nsfe
.sap
.sid
.spc
Toshiba Gigabeat F and X Series
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