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In Reply to: RE: And yet... posted by josh358 on August 27, 2015 at 16:23:37
There are test signals you can use to test height , it's been sometime now but this was sold on a CD some decades ago, you have to control the reflections and this a Linesource Ribbon with wings does pretty well , you can hear up and across pretty easy.
A Large Panel like an ESL does not work well in this test for obvious reasons.
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It seems to me it wold be easy to test with a reverb unit, just set a very short delay. Maybe I'll try it myself if I get a chance and report back.
Years ago, after reading an article somewhere, I tried listening to white noise on headphones while sweeping the notch filter on a distortion analyzer. Sure enough, the sound moved up and down, a consequence of the HRTF. Bet that technique would work with a line source, too -- it doesn't seem to be as idiosyncratic as some HRTF effects.
The LEDR test was developed by EASI , helps To have good vertical response ...
Thanks, fun test. Tried it on my computer speakers (old Monsoons) and the height didn't work very well, but the depth did. Then tried it with earbuds and the height worked well but the depth ended up pulling the sound *behind* my head. Will try it on the big line sources next, but probably not for another week since I have to assemble my new HTPC first.
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