[sdiy] My New Project - PCSYNTH

[Gabriel Lindeborg]

That is all true. But consider a standard VGA display w. 640 by 480 
pixels and a refresh rate of 25 pictures per second. The DAC frequency 
of the signal would be 640*480*25=7680000 ie. 7,68MHz, right?

//Gabbe

Gorka Garcia wrote:

> displaying Video could be easier to do than audio cause the eye is slower than the ear... You can skip a frame or even half of the frames in a video sequence and nothing happens, you might not even notice (depending on the squence), if that happens in audio you are screwed.
> 
> Gorka (the video man)
> 
> --- Rainer Buchty <rainer at buchty.net> wrote:
> 
> From: Rainer Buchty <rainer at buchty.net>
> Date: Mon, 6 Jun 2005 17:12:11 +0200 (CEST)
> To: Scott Gravenhorst <music.maker at gte.net>
> Cc: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] My New Project - PCSYNTH
> 
> 
>>I've got an MC6800 (no, not 68000) that runs at one full megahertz. 
>>Now THAT would be a challenge to make 2 DCOs at 44 KHz...
> 
> 
> Hmmm... Not sure about the 6800, but with the Z80 you might be able 
> playing tricks using the Refresh register. If it's good enough for video 
> generation, it ought to be usable for audio.
> 
> Rainer
> 
> 
> 
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