Contiguous Major Thirds Accuracy?

[John Formsma]

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
>
>
>
>
>
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