[LAU] an AVS waveguide demo

Dave Phillips dlphillips at woh.rr.com
Tue Sep 3 17:51:06 UTC 2013

On 09/03/2013 12:13 PM, Rusty Perez wrote:
> Very interesting, I was most intrigued by the second half or so the
> sound seemed to sortof shif, and sortof surround me.
> What was I listening to?
> What is this waveguide business? :-)
> Thanks!
> Rusty

Hi Rusty,

Right, the second half is a filtered version of the first half.

You can learn something about waveguides here :


I confess that the maths are beyond me, my evaluation of the filter is 
empirical, i.e. I use my ears.



> On 9/3/13, Dave Phillips <dlphillips at woh.rr.com> wrote:
>> On 09/03/2013 07:01 AM, Julien Claassen wrote:
>>> Hello Dave!
>>>    I like it. Atmospheric. It appears simple enough, but it touches a
>>> nerve somewhere. First a feeling of being with one's self, starting of
>>> almost fearful or menacing. then the opening to the outside world, the
>>> cosmos mayhap, and the impression of width, of room and an uncertainly
>>> lightness. Weightlessness, which can be everything. Always changing
>>> subtlely. Nice little demo! I enjoyed that.
>> Thanks, Julien, as always I appreciate your ears and commentary. FYI,
>> the demo is the first movement of a "sinfonia" I'm writing. So far I'm
>> not impressed with anything I've composed for it, but I do like what the
>> waveguide does to that one movement. It's likely to engender an entirely
>> different piece. You know how that goes. :)
>>>    Warm regards
>>>           Julien
>> Best always to you too,
>> dp
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