Re: Horn Depth & Mouth Diffraction

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Posted by Wayne Parham [ 65.214.102.163 ] on March 13, 2007 at 10:55:59:

In Reply to: Re: Horn Depth & Mouth Diffraction posted by Cuppa Joe on March 12, 2007 at 21:23:32:


Path length sets the position of standing wave nodes, but it is not a determiner of diffraction. Diffraction is set by aperture size and wavelength. The size of the opening and the wavelengths that pass through determine the amount of pattern spreading from diffraction.

If your main concern is comb filtering, you might consider that at 150Hz, wavelength is 7.5 feet. Sounds sources can be nearly 2 feet apart and still sum as a single sound source.


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