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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: Advice from Magnepan posted by pictureguy on February 14, 2012 at 10:46:52:
Interestingly enough, the same multitrack technology that's destroyed the quality of stereo recordings is exactly what you need for wave field synthesis. All you do is make a dry recording of each instrument or groups of instruments -- multiple recordings if the instrument is directional, like the violin. And you record their position, dynamically if you have to (as in a singer moving around the stage). Then you package the instruments, position data, and the 3-dimensional impulse response of the hall in a file. The reproducing computer can then recreate the hall ambiance and calculate the coefficients for the array, not just to reproduce the 3D field but to manipulate room acoustics, e.g., by suppressing or creating side wall reflections. It would require a lot of DSP to do in real time, but I don't think doing it economically is off the map, anymore than a thousand-channel DAC.
Check out the polystyrene WFS speakers at the bottom of this page:
http://recherche.ircam.fr/equipes/salles/WFS_WEBSITE/Index_wfs_site.htm
Seems to me more sensible to dispense with the separate voice coil!
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- RE: Advice from Magnepan - josh358 14:51:49 02/14/12 (0)
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