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From:
Michael Upton
To:
laerm
Cc:
Date:
Wed, 14 Mar 2001 17:54:52 +1300
Subject:
[idm] Re: question for the music makers
Msg-Id:
<4.3.2.7.0.20010314174641.00afc320@mailandnews.com>
In-Reply-To:
<984535078.2832.ezmlm@hyperreal.org>
Mbox:
idm.0103.gz
At 20:57 13/03/01 -0500, laerm wrote:
quoted 3 lines what's that formula for determining how much pitchshift i need to get a>what's that formula for determining how much pitchshift i need to get a >loop to another tempo? (i.e. the loop is at 125, i want it at 120, how >much do i need to shift it?)
Presuming this hasn't already been provided (the perils of the digest subscriber :-) here's the formula.
quoted 11 lines The function required to calculate this is:>The function required to calculate this is: > > f2 = f1 * 2^( C / 1200 ) > > where: > > f1 = original frequency or tempo > > f2 = final frequency or tempo > > C = number of cents shift required
The above is taken from a site which gives a javascript calculator that does exactly this. If you think it'll save you time, you could save the following web page off to your hard drive. http://www.birdsoft.demon.co.uk/music/sampcalc.htm Hope this helps! Michael -+- Involve Records http://involverecords.com Jet Jaguar MP3s (latest upload Nov2000) http://mp3.com/jetjag -+- --------------------------------------------------------------------- To unsubscribe, e-mail: idm-unsubscribe@hyperreal.org For additional commands, e-mail: idm-help@hyperreal.org