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ڵλãֻѧУ
MP4Ӱֻƽ ֻ
2005-12-11 06:02ۺϢߣ
ֻгķչMP3/MP4ĹܵѸռĿǰ1000ԪֻУMp3ܿʼռһƾֻӣĿǰUֻ̹Ҳ൱ࡣ

FlashRAM۸Ѹ½뼼վͷСͻMP3زƷҲֻС

ֻij֣ϵIJͱЯԣʹֻȡһֵͶżDCǰһгȵMP3ֻǶСͶMP3˼

ĿǰµĸողߵMP4ƷMP4ӰֻijֶMP4ʼս

MP4г籡

2002һ̨MP4ƷMP4Ѿݷꡣļ¡ոĽMP4ƷսƣȷѾ߱ΪƶƷıرʣЯʸǰᡢЧϳˡ׹۹ʵͳƣŷMP4ггģѾŷԪйгΪ3Ԫңкܴռ䡣2005꣬MP4гﵽ10Ԫδ300%ٶȣ2008ﵽ100Ԫгռ䣬гǰˡҲ̷ֻӵ

MP4Ӱֻż

MP4гܴ󣬵ⲢζMP4ֻ˳˳ˮݿͨгҵ͸¶MP4ӰֻżȽϸߣģMP4Ʒ죬ԱƵļڹƷóMP4ӰֻҲ˵˹ֻڼѾ˺ܴ˹ȥּ򵥵

⣬ֻصӰԴȱܳΪMP4Ӱֻij⡣MP4Ӱֻֻdzָͷسʱ䲻ԴȡIJͨǸòƷռеİʯMP4Ӱֻǰǿõġ

MP4Ӱֻǰ

ʵ̶ֻܶᵽMP4ӰֻΪƶӰеһ֣MP4ӰܳΪաMP3ֺһŸ׹۹ʵһλʦ߼ߣʵֻгѾһɣǰֻMP3ֻһߵijƷı书ܣһֻҵҲѰһȵ㣬MP4ܵΡ

ȻMP4ֻռһξ룬гԲ²⣬ȥ˭ҲûԤϵMP3ֻԴݿ֮ƳΪֻҵMP4ӰֻܸܲľϲвжϣMP4ӰֻҲûʲôDZڵȵˡŸij̵IJ룬ʰߡľͻ֡ң3Gȷ˵ʱֻĶý幦ܽΪ

ĵַ:http://www.cnonline.org/2005/article/7902.html
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