关于中国的mp4
有朋友叫我下载mp4电影。才发现自己不知道什么是mp4。参照百科全书：
[url]http://en.wikipedia.org/wiki/Mp4[/url]
[url]http://en.wikipedia.org/wiki/Chinese_MP4/MTV_Player[/url]
才知道朋友口中的mp4是中国市场独有的一个术语。它不是指 MPEG-4 Part 14，而是指mp3的升级产品，实际上是指portable media players，便携式媒体播放器。 这是我在amazon上看到的一个产品规格。
Support following new features
OLED Display
65,000 color OLED LCD screen! very sharp and very bright! Super cool, you must love it!
Movie player
Enjoy your favorite Movies for amv or mtv directly!
Digital Album
Save your favorite photos or beautiful scenery in the players, and download all kinds of pictures to the players! View digital photos on the OLED LCD screen, slide-show(auto scrolling) or manual scrolling modes!
Multi Music format: MP1, MP2, MP3, WMA, WMV, ASF, WAV, etc., you can play the music of movies file(WMA format, Windows Media Video). About 520 songs can be stored in the 1GB memory
8 play mode
Normal/Repeat one/Folder/Folder Repeat/Repeat all/Shuffle/Introduce/A-B repeat ID3 supported
Lyric show when music play, portable Karaoke!
7 music mode
Pop/Rock/Jazz/Classic/Soft/DBB/Natural, you can enjoy music in different style
Rec. Pen
Digital voice recorder, 4-mode voice record(Fine record/Long time record/Fine Voice control record/Long time Voice control record), Maximum 72hrs recording, Voice control recording available, Set the time and date when recorded files are saved
Language Engine
A-B segment replay,follow and read,compare with source, repla times, replay gap, you can study many foreign language by it, freely, easily and effectively. It will help you travel around the world
Portable Disk
The player is recognized as a removable disc, any File can be stored in the player
Support USB HDD boot
you can use it instead of Floppy disk completely
Private Space function
you may divide USB disk into two parts ( two disks ) in any proportion, and one part can be encrypted as private space which needs password to access to. You can setup password to prevent other people use your MP3 player, safeguard your private file and important file! (Strong Recommendation)
Built-in FM STEREO Radio
Listen to your favorite music, news or sport channel easily and record directly into the player. The radio also offers auto channel search and auto / manual channel store (20 stations) functions
E-Book
Download the famous novel in the player, read it whenever and wherever you travel
Telephone book
Store the telephone numbers of your friends or your family into the player for browse, find what you need anytime!
Auto power off, saving energy, Shut down memorize function. Also, you can set Sleep Timer, you may enter dreamland with your favorite music
To delete one or all music files(or record files) with player directly
GUI(Graphic Uaer Interface) menu: Vivid animation menu with corresponding characters make it easy to operate.
可见能播放的也不过是amv和mtv格式。 其中avm是中国mp4的特有格式，是avi的变形版。请参考百科全书：[url]http://en.wikipedia.org/wiki/AMV_video_format[/url]
更可笑的是MTV的本意是Music Television，[url]http://en.wikipedia.org/wiki/Mtv[/url]
这里变成了amv的另一个名称。 关于3GP：[url]http://en.wikipedia.org/wiki/3GP[/url]
3GP is a multimedia container format defined by the Third Generation Partnership Project (3GPP) for use on 3G mobile phones but can also be played on some 2G and 4G phones.
3GP is a simplified version of the MPEG-4 Part 14 (MP4) ，是MPEG-4的简化版。
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