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Posted by Tomi Engdahl (195.197.151.211) on December 17, 2003 at 04:13:40:
In Reply to: HOW TO MAKE VCD/MP3/ACD PLAYER posted by A Bhattacharjee on December 17, 2003 at 02:54:21:
: I WANT TO MAKE VCD/MP3/ACD PLAYER ALL BY MYSELF. I WANT BRIEF NOTES OF HOW VCD/MP3/ACD PLAYER WORKS ?
Basically this kind of stand alone player consists of following part:
1. CD reading hardware (typically nowadays a computer CD-ROM drive mechanics and alectronics)
2. Controllign microcontroller (reads user controls, controls displays, sends commands to Cd drive, rreads data from drive and sends it to decoder circuitry)
3. Signal decoding circuitry that takes in the compressed digital data and outputs analogue signal or digital uncompressed data signal (MP3 decoder IC, MPEG decoder IC etc.)
4. User interface (buttons, display, etc.)
5. Power supply
6. Case where everything is put in
You can find plans to build MP3 players at
http://www.epanorama.net/links/project_pc.html#pc_mp3player
I do not have any plans for VCD player.
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