any more docs on Houdini Spatial Audio

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Well, can't seem to figure out how exactely the setup should be. I've put sounds in the scene referencing audio chops, and a microphone, then piping both of those into a spatial audio chop.

There is vague documentation on the use of the acoustic chop but I can't seem to figure out how exactely it's supposed to work. Does anyone know if there is a step by step help or pdf anywhere to actually get the spacial audio chop working? Or can anyone offer pointers?
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ok, got that working … the defaults didn't get me very far though so it would be nice if there were more docs on it .. I'd still like to know if anyone knows about more docs out there for this stuff.

Anyway, basic process is …

a. Put sound emitters in scene referencing file (audio) chops
b. Put microphone in scene
c. Put spacial audio in CHOPS, TURN OFF “use microphone filters” unless there is a microphone filter present it will go to zero I guess and you will only hear one microphone or the other. It defaults to use the mic filter which is confusing just to get the thing working. Select Mics and Sound Sources.
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