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Can Blender be used to simulate the transmission of sound waves through a medium (most likely air)? What kind of additional scripting, if any, would be needed to actually render the collisions as sound? (Has anyone ever constructed a functional acoustic musical instrument using Blender?)

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    $\begingroup$ Do you mean something like this? $\endgroup$ – Leon Cheung Feb 18 '14 at 15:34
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    $\begingroup$ Or like this? $\endgroup$ – gandalf3 Feb 18 '14 at 19:57
  • $\begingroup$ Or like this at time 0:35? $\endgroup$ – bill_080 Feb 19 '14 at 1:43
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Can Blender be used to simulate the transmission of sound waves through a medium (most likely air)?

No, blender is designed to create images and animations (including soft and rigid body physics) which may include sounds, having that said blender copes with light not with audio.

The only support for audio (besides playback) I'm aware is to bake the amplitude (volume) of a distinct frequency range to an f-curve.

These f-curves could be used to animate an object in an animation like the vibrations of strings, or to visualize sounds like a spectrum analyzer does (scaling boxes).

Tutorial here

IMHO The best would be to play around with these possibities and evaluate the options provided and in case blender is still a candidate (for your project) too ask a more specific question.

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No. Unfortunately this is not possible currently, and as far as I know there are no plans to add this in the near future.

However, in addition to baking to F-curves Blender does have speaker objects which provide some of the functionality (in a very limited form) I think you are looking for.


Update

This project, recently featured on blendernation, seems like it might be what you want.

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