Formats àudio/vídeo (taules)

	developer	notes	media		storage		rights management			royalties		platforms	players		more info
	developer	notes	audio	video	streaming	download	limited time	CD burning	device transfer	encoding	decoding	platforms	soft	hard	more info
Real G2	Real Networks		.rm	.rm	x	-	-			x	-	MS Windows, Mac, UNIX	RealPlayer
Windows Media	Microsoft	cracked DRM: Newsbytes The Register	.wma, .asf	.wmv, .asf	x	x	x	x	x	x	-	MS Windows, Mac	WMPlayer	handheld PC
MP3 (MPEG-Layer III)	Fraunhofer Institute	MPEG-1: 48,44.1,32 kHz MPEG-2: 48,44.1,32,24,22.05,16 kHz	.mp3	-	(Icecast)	x	-			Fraunhofer Institute & Thomson: US$ 25.00	Fraunhofer Institute & Thomson: free soft: US$ 0.00 sold soft: US$ 1.00 hard: US$ 2.00 per song: US$ 0.01	MS Windows, Mac, UNIX	WinAmp, FreeAmp, RealPlayer, xmms...	mp3 devices	Patents and MP3 mp3licensing (Thomson)
QDesign Music Codec	QDesign	ships with Apple QuickTime	x	-	fast start / streaming	x	-			Apple?	-	MS Windows, Mac, UNIX	QuickTime, xanim
Liquid	Liquid Audio	based on AAC	x	-	x	-	SP3 (SDMI)*					MS Windows, Mac	LiquidPlayer
a2b	AT&T	based on AAC	x	-	-	x	x					MS Windows, Mac	a2b Music Player
TwinVQ *	Yamaha	incl. in MPEG-4	.vqf	-	fast listening	x	(Save attributes)					MS Windows, Mac	Yamaha SoundVQ, AudioConverter
Advanced Audio Coding (MPEG2-AAC)	Fraunhofer Institute	incl. in MPEG-4	x	-	-	x	-					MS Windows, Mac	Simple, LiquidPlayer
Adaptive Transform Acoustic Coding (ATRAC-3)	Sony	used in Minidisc	x	-	-	x	SCMS, OpenMG (NetMD)					MS Windows, Mac	LiquidPlayer	Minidisc

* SP3: Secure Portable Player Platform
* SDMI: Secure Digital Music Initiative

http://www.francescpinyol.cat/formats.html
Darrera modificació: 16 de novembre de 2005 / Last update: 16th November 2005

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