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Re: Pitch learning
Martin,
I defer to you, the expert. You should have pointed to your web page
http://web.telia.com/~u57011259/pelog
_main.htm
Pierre
At 10:23 AM 3/2/2007, Martin Braun wrote:
Dear Pierre and others,
During my studies some time ago
I read in a respected source that there are gamelans in which even the
octave is missing.
There must have been a misunderstanding in this. A gamelan ensemble
without the octave as the backbone of all tuning is a red herring. What
occurs are deviations from the mathematically exact octave, up to about
+/- 30 Cent. In some gamelan cultures, such as in Bali, octave deviations
are tuned on purpose to reach a shimmering sound caused by the
"beats" resulting from this tuning practice.
We should also note that all gamelan scales that have ever been found are
fairly well understood in terms of physics and hearing physiology. Not
much mystery here.
Martin
---------------------------------------------------------------------
Martin Braun
Neuroscience of Music
S-671 95 Klässbol
Sweden
web site:
http://w1.570.telia.com/~u57011259/index.htm
----- Original Message ----- From: "Pierre Divenyi"
<pdivenyi@xxxxxxxxx>
To: <AUDITORY@xxxxxxxxxxxxxxx>
Sent: Friday, March 02, 2007 6:49 AM
Subject: Re: Pitch learning
I think that the most
challenging instrument to any pitch theories is the gamelan ensemble:
partials produced by each metal bloc are inharmonic and the (supposed)
fundamental frequencies of the bloc series define an inharmonic scale
that varies from gamelan to gamelan, except that they never include
simple harmonic ratios. During my studies some time ago I read in a
respected source that there are gamelans in which even the octave is
missing.
Pierre