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Re: OT: Apple has a patent on tremolo!

On Mar 1, 2007, at 12:39 PM, Paul Evenblij wrote: 
But this is not about sine waves. In my understanding,
the patented method is a way of getting beat
frequencies which are constant along a  large range of
main frequencies. I.e. if you have your two
oscillators playing C3, and the beat frequency is 3
Hz, then if you play C4, the beat frequency will be 6
Hz using 'prior art'. Using Apple's method, this beat
frequency will *always" be 3 Hz.

True. But there are still decades of prior art on this one. People have been doing this with modular synths for a long time, and many non-modular synths allow you to use fixed-beat type modulation instead of fixed-ratio.

Unless this patent application was filed a long time ago, or has lots of other claims in it besides this apparently simple concept, it sounds hinky to me.

-- Ben


__
Ben Cox <email@hidden>
http://www.djehuti.com

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 >Re: OT: Apple has a patent on tremolo! (From: Paul Evenblij <email@hidden>)



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