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Old 18th Jul 2011, 12:11 pm   #48
Karen O
Rest in Peace
 
Join Date: Jul 2011
Location: Bridgnorth, Shropshire, UK.
Posts: 787
Default Re: Simple memory card player idea

tubesrule aka Darryl Hock...? Designer of the Aurora?

I am most certainly in the presence of greatness!

I looked into using a DSP to do standards conversion a while ago. The demands are high: filtering to remove the colour sub-carrier requires at least four multiply/accumulates per input pixel. And then the line interpolation will require three multiply/accumulates per output pixel.

It would be quite a DSP to handle that. Your use of an FPGA is almost certainly the better way to go. And of course, those chips that convert analogue video to a standard byte stream deal with the sub-carrier.

In other words, I don't see a better way of doing it!
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