i found something on my mp4 player
PMP Transcoding Tool
Release Note
1. Version
a) ANSI 0.5.0 version
b) UNICODE 0.5.0 version
2. New Features
a) New setup file with DirectX9 & Windows Media Player 9 redistribute version
DirectX9:
http://www.microsoft.com/downloads/d...displaylang=en
Windows Media Player 9
http://www.microsoft.com/windows/win...ies/player.asp
b) Adds audio files TO mp3 files conversion
c) Automatically set output format according to input media file
3. Bug Fixed
a) Can not find Windows Media libraries on Win98
b) In Traditional Chinese Win XP, can not support conversion in Simplified Chinese folder
c) DVD conversion is unstable in Win 2000
d) Can not support audio to mp3 conversion
e) Cannot support multiple selections in CD mode with ¡°shift¡± and ¡°ctrl¡± key.
4. Compatible issues
a) On Win 98/Me, please install ANSI version. Must reboot system after installing DirectX9
b) On Win NT/2000/XP, please install UNICODE version.
5. Known Problems
a) On Traditional Chinese Win 98/Me, can not support media conversion of filename or folder with Simplified Chinese characters
6. Conversion Mode
a) Media mode
i. Video and Audio, Only Video ? ASF
ii. Only Audio(MP3 VBR, WAV) ? MP3
b) CD mode
i. Compact Disk Audio Track ? MP3
c) Image mode
i. Image File ? JPG
but i don't know what is this for.