David, You are correct on this. It's the P4-P5 test, not the other way around. -- JF On Tue, Oct 28, 2008 at 9:17 AM, Porritt, David <dporritt at mail.smu.edu>wrote: > *From:* pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] *On > Behalf Of *Jeff Deutschle > *Sent:* Tuesday, October 28, 2008 9:12 AM > *To:* Pianotech List > *Subject:* Re: Contiguous Major Thirds Accuracy? > > > > --- snip --- > > > > Can you explain how the A3-E4 and E4-A4 beat speeds are equal in a 4:2 > octave? > > > > They aren't. A 5th on top of a 4th (A3-D4 and D4 – A4) would beat the > same, but the intervals you describe would have the 4th beating twice the > speed of the 5th. > > > > dp > > > > David M. Porritt, RPT > > dporritt at smu.edu > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20081028/10091463/attachment.html
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