Duane, (01)
What you did seems very interesting, but I don't think it
accomplished what I was talking about. (02)
JFS>> But a shift of a frequency, even a quarter tone, is
>> *extremely* difficult to do without very sophisticated
>> equipment. I do not believe that any music hall could
>> accomplish that transformation by ordinary acoustic means. (03)
DN> I can produce this on a didgeridu by modulating an overtone
> to the point the base tone and overtone collide and create a new
> frequency. It is not an easy technique to master.
>
> Listen to this track (feel free to download and keep if you want).
> The modulation varies extensivley: (04)
What the hall was supposed to be doing is to take a sound from
an independent source (such as a musical instrument) and echo
it a quarter tone lower. (05)
But I gather that you produced two separate sounds that were very
close together -- thereby creating a beat frequency (X-Y), where X
was the frequency of one sound and Y was the frequency of the other. (06)
By the way, that URL points to a web page: (07)
http://www.mix2r.com/node/361 (08)
But I couldn't find the actual sound track. What is its URL? (09)
John (010)
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