A File formats

A. File formats

Icon	File Type	Extension	Action when selected

	Directory	none	Enter the directory
	Audio file	various (see A.2)	Start playing the file and show the WPS
	Bookmark	.bmark	Display all bookmarks for an audio file
	Game of Life	.cells	Show the configuration with the “Rocklife” plugin
	Configuration File	.cfg	Load the settings file
	Chip8 game	.ch8	Play the Chip8 game
	Colours	.colours	Open the colours file for editing. See section 12.1.4.
	Cuesheet	.cue	View the cuesheet file
	FM Presets	.fmr	Load the FM Presets (previous are discarded)
	Font	.fnt	Change the user interface font to this one
	Image	.jpg	View the JPEG image
	Link	.link	Display list of target files and directories; selecting one jumps to the target. See section 11.3.1.
	Language File	.lng	Load the language file
	Playlist	.m3u, .m3u8	Load the playlist and start playing the first file
	Rockbox firmware	.mi4	Load the new firmware with ROLO
	Video	.mpg, .mpeg, .mpv, .m2v	Play the MPEG1/2 video
	Plugin	.rock	Start the plugin
	Text File	.txt	Display the text file using the text viewer plugin
	Voice file	.voice	Allow Rockbox to speak menus
	While Playing Screen	.wps	Load the new WPS display configuration

Format	Extension	Notes

ATSC A/52	.a52, .ac3	Supports downmixing for playback of 5.1 streams in stereo.
ADX	.adx
Advanced Audio Coding	.m4a, .m4b, .mp4
MPEG audio	.mp1, .mpa, .mp2, .mp3
Musepack	.mpc	Supports SV7 and SV8 in mono/stereo
OGG/Vorbis	.ogg, .oga	Playback of some old “floor 0” files may fail.
Sony Audio	.oma, .aa3
RealAudio	.rm, .ra, .rmvb
Speex	.spx
Dialogic telephony type	.vox
Windows Media Audio Standard	.wma, .wmv, .asf
Windows Media Audio Professional	.wma, .wmv, .asf

Format	Extension	Notes

Audio Interchange File Format	.aif, .aiff	AIFF supports following formats:
		linear pcm 8/16/24/32 bit.
		IEEE float 32/64 bit
		ITU-T G.711 a-low/μ-low
		QuickTime IMA ADPCM
Monkey’s Audio	.ape, .mac	Only -c1000 files decode fast enough to be useful.
Sun Audio	.au, .snd	Sun Audio supports following formats:
		linear pcm 8/16/24/32 bit.
		IEEE float 32/64 bit
		ITU-T G.711 a-low/μ-low
Free Lossless Audio	.flac
Apple Lossless	.m4a, .mp4
Shorten	.shn	Seeking not supported.
True Audio	.tta
Wave64	.w64	Wave/Wave64 supports following formats:
Waveform audio format	.wav	linear pcm 8/16/24/32 bit.
		IEEE float 32/64 bit
		ITU-T G.711 a-low/μ-low
		Microsoft ADPCM
		Intel DVI ADPCM(IMA ADPCM) 2/3/4/5 bit
		Dialogic OKI ADPCM
		YAMAHA ADPCM
		Adobe SWF ADPCM
Wavpack	.wv

Format	Extension	Notes

Atari Sound Format	.cmc, .cm3, .cmr, .cms, .dmc, .dlt, .mpt, .mpd
Synthetic music Mobile Application Format	.mmf	Supports PCM/ADPCM only
MOD	.mod
NES Sound Format	.nsf, .nsfe
Atari SAP	.sap
Sound Interface Device	.sid
SPC700	.spc