[linux-audio-dev] Final Scratch, custom kernel?

[CK]

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)