Re: OT: Apple has a patent on tremolo!
Re: OT: Apple has a patent on tremolo!
- Subject: Re: OT: Apple has a patent on tremolo!
- From: Stephen Kay <email@hidden>
- Date: Fri, 02 Mar 2007 04:46:59 -0500
on 3/2/07 4:26 AM, Richard Dobson at email@hidden wrote:
> Prior art: this is from the Kurzweil KN2000 manual (around 1992 vintage):
>
> "There¹s only one parameter on this control input page that may still be
> unfamiliar to you: Fine Hz. We discussed this in Chapter 6. It can tune
> the pitch of the waveform in terms of its actual frequency in Hertz, as
> opposed to the usual method of tuning by key names. The advantage to
> using the Fine Hz parameter is that you can maintain constant beat
> frequencies across much of the keyboard when you have a program with
> slightly detuned multiple layers (or multiple waveforms in one layer).
> "
>
> The net effect of course is still indistinguishable from tremolo, such
> that this form of detuning can be said to be a way to get tremolo, in
> practice probably fairly subtle, not up to the 100% mod that real AM
> could give you.
>
> Thanks again to the Sherlocks on the Csound list for finding this example.
Well, why don't you guys forward some of this info to the patent office. I'm
sure they'd be interested. ;)
- Stephen
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Stephen Kay
Karma-Lab :: developers of KARMA
http://www.karma-lab.com
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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