Subject: Re: [linux-audio-dev] Final Scratch, custom kernel?
From: CK (x_AT_meta.lo-res.org)
Date: Mon Oct 07 2002 - 22:18:38 EEST
I read:
> I think, but Chris could explain better, that the time is calculated
> just from the speed of the record. With a rising saw like this
>
> /| /| /
> ----------- 0
> / |/ |/
actually you explain it just great ;)
> you could just count the zero crossings per second and take the ratio
> compared to the expected 440 Hz. It's simple math. Time encoding to
> get data about how far from the rim the needle is, would be impossible
> this way, unless you change the saw's frequency in a complex way...
and the rising saw gives me the direction info of course,
regards,
x
-- chris_AT_lo-res.org Postmodernism is german romanticism with better http://pilot.fm/ special effects. (Jeff Keuss / via ctheory.com)
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