On Fri, 20 Jun 2008, Miles Jackson wrote:
>> So there are musical systems in which octaves are not located at 
>> doubled frequencies?  Which?
>>
>> Michael
>>
> The perception of consonance varies depending on the amplitude of the 
> sound waves.  The claim that doubled frequencies are invariably 
> perceived as octaves is inconsistent with many decades of research on 
> auditory perception.
You haven't answered my question. Is there a musical system in the world where the octaves aren't tuned at doubled frequencies?
And if not, you're saying it's just an accident that that's universal in all musical systems?
Michael