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CD Player Programming {?}
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Dra_Gon



Joined: 25 May 2007
Posts: 209

PostPosted: Tue Jul 22, 2008 4:12 pm    Post subject: Reply with quote

I do appreciate the replies, even those calling me "unreasonable" Wink. Actually, I think I'm quite reasonable. For one, who would have thought we could simulate moving little dots of light around? Obviously someone came up with that thought and you're looking at the result right now. And I'm sure there were plenty of people who thought that was "unreasonable".
The fact is, unless someone actually tries a thing {several times} there is no point in calling it impossible. The only thing which makes it impossible is not trying it. I've admitted that it may not be possible, and you have more experience in such things than I do, engunneer. BUT if just one person gets the idea to try it then isn't it better to at least make the attempt no matter what the odds against it? At least there wouldn't be any harm in doing so. Heck, if I had more programming knowledge I'd try it myself, but I'm mainly an idea-man.

Ciao,
Dra'Gon
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tic



Joined: 22 Apr 2007
Posts: 1356

PostPosted: Tue Jul 22, 2008 4:21 pm    Post subject: Reply with quote

I think what you need to realise though Dra_Gon is that it's not that it's really hard or really long, it's just that it's simply impossible. There's no getting round it by trying. We fully understand it. It will be a simple microcontroller in the cd player, so theres no mystery, it does not have the capability to read instructions, unless you completely modded the cd player, at which point it is no longer a cd player...
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SoggyDog



Joined: 02 May 2006
Posts: 216
Location: Greeley, CO

PostPosted: Tue Jul 22, 2008 4:25 pm    Post subject: Reply with quote

Just to be clear, I didn't say you were unreasonable, I said the question was unreasonable. In fact, I appreciate that you even think about this sort of thing. A lot of great innovations have come from this sort of thought process. In this particular instance, however, it's like trying to find a way to get a light bulb to make you a peanut butter sandwich.
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Dra_Gon



Joined: 25 May 2007
Posts: 209

PostPosted: Tue Jul 22, 2008 4:48 pm    Post subject: Reply with quote

SoggyDog wrote:
In this particular instance, however, it's like trying to find a way to get a light bulb to make you a peanut butter sandwich.


Not a bad idea, let's give it a shot! Wink Laughing !

Dra'Gon
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daonlyfreez



Joined: 16 Mar 2005
Posts: 745
Location: Berlin

PostPosted: Wed Jul 23, 2008 9:51 am    Post subject: Reply with quote

Audio CD's are created using a standard called Red Book

http://en.wikipedia.org/wiki/Red_Book_(audio_CD_standard)

The maximum amount of playing time is 74 minutes, and the maximum amount of tracks is 99.

Audio on a CD is encoded in PCM, which is quite big compared to compressed formats like MP3. Tricking the player into believing it is playing PCM, but it is actually playing something different is - in my view - impossible.

You talk about "programming" the CD all the time, but you have to realize that there is no program on the Audio CD, the cd/track-info is burned on the CD, and that cannot be changed. A computer CD might have some program on it which get started, but that is a whole different beast.

Copy-protections schemes on more recent Audio CD's do offer some sort of obfusciation/manipulation, and that might be the field where you could find "solutions" to what you are looking for, but those CD's are "broken" by design and probably won't play on older CD players anyway.

So, your thoughts are nice in theory, but impossible in reality.

HTH

PS: You can get a MP3-player for very little money nowadays. In your case the better option might be to choose a CD-player that can read CD-R(W)'s and MP3 CD's, that way you'll have the best of both worlds.
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Dra_Gon



Joined: 25 May 2007
Posts: 209

PostPosted: Wed Jul 23, 2008 4:14 pm    Post subject: Reply with quote

It was just an idea I had that I figured would be good to try. I've been using MP3 players for a while now and am quite happy with them. And I do know that the only difference between an audio CD and data CD is the format it's using.
Regardless, this was mostly just an interesting theory on my part and would have been great if something could have come from it.

Ciao,
Dra'Gon
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