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Audio Analyser, Converter and Recoder

 
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hatanet



Joined: 08 Sep 2003
Posts: 9
Location: South Africa

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Audio Analyser, Converter and Recoder
PostPosted: Wed Mar 23, 2005 10:06 am     Reply with quote

Lumelang, Very Happy

Using a 18x452, I want to build an audio analyser/recoder/encoder that will be able to handle balanced pair input (Audio1[Left and Right] and Audio2[Left and Right]).

The aquired audio data should be in a form that can be analysed by whatever logical algorithm for valid interpretation analysis purposes, and or the audio data could be encoded to maybe a .WAV or an .MP3 format for instance.

1. Where do I start on this project?
2. Is there a microcontrollable chip in the market that can analyse or encoder?
3. What sampling logic should I apply, when it comes to the AUDIO spectrum?


Thank you in advance,
Hatanet
Mark



Joined: 07 Sep 2003
Posts: 2838
Location: Atlanta, GA

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PostPosted: Wed Mar 23, 2005 10:44 am     Reply with quote

Look at the dsPICs instead.
hatanet



Joined: 08 Sep 2003
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PostPosted: Mon Apr 11, 2005 10:00 am     Reply with quote

Thanks, but where do i startcoz dsPic is a bit foreign to me at the moment... I have the development board now! Rolling Eyes
ckielstra



Joined: 18 Mar 2004
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PostPosted: Mon Apr 11, 2005 10:27 am     Reply with quote

hatanet wrote:
Thanks, but where do i startcoz dsPic is a bit foreign to me at the moment... I have the development board now! Rolling Eyes
CCS is not (yet) supporting the dsPic, so this is definately the wrong place.
Start searching at the place where you acquired your development board, and ofcourse there are the forums at the microchip website http://forum.microchip.com/
Ever heard of Google????
SherpaDoug



Joined: 07 Sep 2003
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PostPosted: Mon Apr 11, 2005 2:45 pm     Reply with quote

If you REALLY want to use CCS you could probably do one channel of audio in a PIC. So you just need four PICs, all running the same code, and a fifth to play traffic cop and handle user interface. That will be a lot easier than handling four audio streams and user interface in one chip.
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