|Multi-Way Conventional loudspeakers with crossovers|
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|16th January 2010, 11:19 PM||#1|
Join Date: Aug 2009
Location: Silicon Valley & NYC
Digital Directivity Control ( more Borat insanity )
consider a coaxial driver where both inner and outer drivers cover the same frequency range.
outer driver beams more. inner driver beams less.
by gradually switching the signal as follows:
outer driver > both > inner driver
radiation pattern can be widened. but it doesn't stop there ! radiation pattern can be made WIDER STILL than that of the inner driver.
for that we mix in-phase signal from inner driver with attenuated out-of-phase signal from outer driver. this produces significant cancellation on-axis but insignificant cancellation off-axis thereby further widening coverage angle.
this angle can be dialed in separately for every frequency. with both drivers on their own DSP processors a more or less constant directivity behavior can be achieved.
this has been another brilliant idea from Borat. thank you very much.
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