Posted by Earl Geddes [ 69.209.137.72 ] on January 09, 2005 at 13:41:27:

In Reply to: Re: horn surfaces posted by Adrian Mack on January 08, 2005 at 19:04:06:

You will have to be clearer on what you mean by "phase changes caused by irregularities"

Of coarse the foam absorbs high frequencies, but ALL CD devices have to be EQ anyways so I just EQ in this loss. No problem.

I believe that I could model he rough walls. I know that I can model, and have done so, an absorptive wall, as well as an absorbtive internal medium. A rough wall just have a different kind of boundary condition.

You will also have to be more specific about "theres usually better ways to fix a problem such as rough frequency response than this". I am not new to waveguide design and usually know all of the techniques involved, but I am not sure what you are refering to here. If you are refering to the use of the foam, I strongly disagree that there are better ways. If there were then I would use them and not have to "invent" the better solution.

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