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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: RE: Dolby ATMOS and planars? posted by JBen on January 13, 2015 at 23:36:22:
Hey, JBen! Good to hear from you.
Disappointing about Atmos -- I haven't had a chance to hear it yet. Vertical spread from point sources is a bit problematic because there's no phantom image as there is laterally. So basically the sound seems to be coming from the height of the speakers, which with a single height channel means only two places. And the height pan presumably wouldn't work with a line source, since full-height line sources don't so much reproduce height as not add their own height signature and let the floor bounce do the trick. From the perspective of the comb filtering stuff that's going on in the pinna, they're a source at an infinite distance, as far as height detection is concerned (as far as width is concerned, they're a source right where the speakers are!). A smaller line source probably acts more like a point source, Davey meaxured the field of his MMG's as 1/R^2 and it seems to me that the apparent height of the sound in my MMG's was the vertical center point of the diaphragm.
If you used more than one voice coil vertically, you could reproduce both the center and height channel in a planar magnetic. Bass could still use the entire diaphragm, or its usual resonant sections (since different frequencies emanate from different heights).
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- RE: Dolby ATMOS and planars? - josh358 17:10:30 01/16/15 (0)
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