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I'll be honest, this sounds a bit advanced. It's logarithmic and thus beyond me.<div><br></div><div>However...</div><div><br></div><div>Perhaps try to find a list of just temperament or world music scales and their frequencies. See if any match up to the scale you're trying to achieve.<br><br></div><div>Andrew</div><div><br>> Date: Tue, 21 Jul 2009 00:52:24 +0200<br>> From: derek@umatic.nl<br>> To: jbeezez@googlemail.com<br>> CC: pd-list@iem.at<br>> Subject: Re: [PD] making scales from frequency values<br>> <br>> Still not entirely sure I know what you're after, so at the risk of <br>> repeating myself, use the (just intoned) intervals here:<br>> <br>> 1, 1:1-unison;<br>> 2, 135:128-major_chroma;<br>> 3, 9:8-major_second;<br>> 4, 6:5-minor_third;<br>> 5, 5:4-major_third;<br>> 6, 4:3-perfect_fourth;<br>> 7, 45:32-diatonic_fourth;<br>> 8, 3:2-perfect_fifth;<br>> 9, 8:5-minor_sixth;<br>> 10, 27:16-pyth_major_sixth;<br>> 11, 9:5-minor_seventh;<br>> 12, 15:8-major_seventh;<br>> 13, 2:1-octave;<br>> <br>> I.e. major third = 6:5, and 6 divided by 5 is 1.2, so to transpose up a <br>> major third, multiply original frequency by 1.2.<br>> <br>> Or, 5 divided by 6 is 0.83333333, so multiply by that to transpose down <br>> a major third. Or cook up something with [expr] that does the job more <br>> precisely, like [expr f$1 * (5/6)] etc etc...<br>> <br>> All of these should "sound good" across the whole musical spectrum so <br>> long as you don't plan on changing key ;-)<br>> <br>> D.<br>> <br>> J bz wrote:<br>> <br>> > If I'm saying that these frequencies are <br>> > 'good' to my ear, is there a way of creating equally 'good' sounding <br>> > notes to fill in the gaps in, say for example, a 12 note scale based on <br>> > these notes scaling from the lowest to the highest without doing the <br>> > whole thing 'by ear'?<br>> <br>> -- <br>> ::: derek holzer ::: http://blog.myspace.com/macumbista ::: <br>> http://www.vimeo.com/macumbista :::<br>> ---Oblique Strategy # 126:<br>> "Only one element of each kind"<br>> <br>> _______________________________________________<br>> Pd-list@iem.at mailing list<br>> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list<br></div><br /><hr />Share your memories online with anyone you want. <a href='http://clk.atdmt.com/UKM/go/134665338/direct/01/' target='_new'>Learn more.</a></body>
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