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Author Topic: Req:Television signal processing help  (Read 1623 times)
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m_saeed_soliman
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« on: October 06, 2008, 08:51:34 20:51 »

Hi all sonsivri community
I have been working on a project that process the television signal through the Audio/Video connection and save the output to a flash memory
so I have 2 problems
First , processing the Television signal through the Audio/video connection
Second,Saving it to a flash memory
so please I want your help
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fernandodiaz
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« Reply #1 on: October 07, 2008, 06:21:52 06:21 »

Hi i think  compossed video is very DIFICULT  process signals sync, video levels and speed process

Other option is use usb web cam   
I think cypress makes some..check it out, cypress uC which support USB.
PIC, AVR  may not have enough processing power speed  to dowhat you want with elegance
YOU MAYBE RUN PIC TO 300 MHZ  TO PROCESS ALL DIGITAL SIGNALS, IS NO POSSIBLE TODAY


Before you get involved with any type of data transmition, check the bandwidth
 (eg 320x240 x30fps = 2.3Mb/sec or about 2250kbps just for video

maybe this help to you  some idea:

http://www.circuitcellar.com/avr2004/Second.html
http://www.embeddedrelated.com/usenet/embedded/show/34134-1.php
mcucam2
http://www.cs.cmu.edu/~cmucam/
http://www.jrobot.net/
http://home.teleport.ch/idobson/   using bascom avr
http://home.teleport.ch/idobson/projects/UDP-webcam.htm
http://home.teleport.ch/idobson/start_e.htm
http://www.nslu2-linux.org/wiki/
THE AUDIO IS NO PROBLEM
BEST REGARDS.
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