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3D Mixer + Vector Based Panning
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3D Mixer + Vector Based Panning


  • Subject: 3D Mixer + Vector Based Panning
  • From: Mark Coniglio <email@hidden>
  • Date: Fri, 9 Dec 2005 08:38:13 -0500

I am using the 3D Mixer to output to a quadraphonic sound system. What I'm looking to do is to give the appearance that the sound is moving through the space.

Is the kSpatializationAlgorithm_VectorBasedPanning the best algorithm to use for this? I definitely works, and the azimuth input rotates the sound around the speakers, but I'm curious if the distance and height parameters are actually used by this algorithm. It would seem if the distance is 0 (i.e., the sound is at the center point between all for speakers), the sound should appear at equal volume on all four speakers -- but that isn't the case -- it appears as only two, based on the azimuth.

Also, is there any way to feed a monophonic sound into the mixer? Right now, I have to run the audio from an Sound File Player through an audio converter or I get a crash. But it ends up with a stereo sound, which again ends up at two speakers instead of one. Even panning the sound hard left or hard right results in the sound appearing on at least two speakers.

Any tips or thoughts about how to accomplish my goals would be very much appreciated.

Best Wishes,
Mark

--
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Mark Coniglio, Artistic Co-Director | email@hidden
Troika Ranch Dance Theater          | http://www.troikaranch.org
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