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PICList Thread
'Another MP3 idea!'
2000\02\04@113255 by James Harris

picon face
Has anyone tried to build a PIC based MP3 player?
I had a quick look at whether it would be possible and
it looks as if it is, you can buy dedicated MP3
decoder chips, all you need to do is pipe the data
into a decoder and D>A the output.

Simple, if you know how, all you need is to be able to
store and retrieve the data on a HDD or similar (maybe
someone has some ATA to PIC interface?).

Good Luck to anyone who wants to try it, I would be
interested in the results if anyone tries it.

James

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2000\02\04@120417 by Randy Glenn

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It's been done and is being sold. Check out
http://www.codepuppies.com/~ben/sens/pic/mp3/

-Randy Glenn
E-Mail: spam_OUTPICxpertTakeThisOuTspamyahoo.com
Web: http://i.am/PICxpert

Currently wondering why I can't get in to Safe Mode - where's a Mac when you
need it?

{Original Message removed}

2000\02\04@120624 by James Harris

picon face
Has anyone thried to build a PIC based MP3 player?
I had a quick look at whether it would be possible and
it looks as if it is, you can buy dedicated MP3
decoder chips, all you need to do is pipe the data
into a decoder and D>A the output.

Simple, if you know how, all you need is to be able to
store and retrieve the data on a HDD or similar (maybe
someone has some ATA to PIC interface?).

Good Luck to anyone who wants to try it, I would be
interested in the results if anyone tries it.

James

__________________________________________________
Do You Yahoo!?
Talk to your friends online with Yahoo! Messenger.
http://im.yahoo.com

2000\02\04@121249 by Cassiano J. Pereira

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face
I am trying to build a MP3 player, but I am only starting. I would like
to know as is the MP3 file format.
If somebody to know something on, helps me!
Thanks!

James Harris wrote:
{Quote hidden}

Cassiano J. Pereira

2000\02\04@122256 by Maverick

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<x-flowed>At 11:59 AM 2/4/2000 -0500, you wrote:
>It's been done and is being sold. Check out
>http://www.codepuppies.com/~ben/sens/pic/mp3/

>Has anyone tried to build a PIC based MP3 player?

Make that two of us that have working ones and are trying to get the darn
things to market.

http://altus.drgw.net/~mpic3/

ND Holmes
--------------------------------------------------------------------------
 Nathan D. Holmes   .....maverickKILLspamspam@spam@drgw.net, ndholmesspamKILLspamiastate.edu
   122 Shepard #3  Box 328  Gilbert, IA 50105  Iowa State University - EE
   http://www.drgw.net/~maverick   PH: 515-663-9368
-------------------------------------------------------------------------

</x-flowed>

2000\02\04@125851 by Marcos Sassahara

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<x-flowed>Hi All,

As the current subject is audio, I have an Idea/Curiosity too.

Probably you know those AIWA Micro Systems (the one with 3CDs on the top).
Those systems have a digital output that can be connected to
a DAT recorder via optical fibers (see led behind).

Won't be interesting decode that signal and maybe manipulate it? Of
course a DSP will be more powerfull but for small experiences...

Regards,

Marcos Sassahara.


{Quote hidden}

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</x-flowed>

2000\02\04@144920 by Rene Chauvet

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Has anyone ever tried interfacing an mp3 player through the CD changer input
of a regular deck this way the deck controls it and all you need is a
display


Best Regards
    Ren

ICQ #31030202

2000\02\04@151429 by Matthew Fries

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This is what I want to do with my car stereo.

I already have a 6 disc cd-changer, and a stock stereo and equalizer. The
equipment is AC-DELCO. The buttons on the head unit control the cd-changer
functions, and it looks as though all the information is transmitted
serially through one wire (bidirectional at that!). I think it uses M-BUS.
The head unit sends commands to the changer like "Begin playing track 1
disc 1" and the changer sends back info like time elapsed to be displayed
on the 4 digit display.

I am not sure of the limitations of the player/head unit, like how many
tracks per cd it will support. I was thinking that each disc would
represent a playlist (6 discs, 6 playlists) with #?? songs.

Sadly, my proficiency with pics is not as high as the fellows who posted
those PIC Mp3 players. I might be able to design an automatic shutdown
unit for a PC in my car, but those stand alone players blow my mind.



On Fri, 4 Feb 2000, Rene Chauvet wrote:

{Quote hidden}

2000\02\04@181806 by Mark Winters

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Along these same lines, has anyone tried to control one of the "off the
shelf" MP3 players with a PIC?

What I would like to do is download several sound segments" to the player
and control the playback with the PIC. I've done something similar
interfacing with the ISD sound chips, but the maximum sample rate of the
ISDs (8kHz) isn't sufficient for my application.

Any ideas?

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