[Bug 17411] (AudioPannerNodeUnits): AudioPannerNode units are underspecified

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17411

--- Comment #6 from Marcus Geelnard (Opera) <mage@opera.com> ---
(In reply to comment #5)
> I'm just taking this interpretation from the OpenAL specification.  But
> you're right, we could just say that .speedOfSound is the speed in arbitrary
> units which are also used by the velocity vectors.  These units are
> independent of the units used for position and orientation vectors.
> 
> How does that sound?

That sounds like the better choice, yes. I'm sure there are some reasons why
OpenAL uses m/s, but unless we know why and it's a strong enough reason, I
don't think that it's enough for us to just duplicate that part.

PS. One guess as to why OpenAL want to use m/s it so that the default speed of
sound = 343.3 makes sense. On the other hand, this is kind of similar to the
gravity property in the Bullet physics library, which defaults to a unit-less
10 (all things are unit-less in Bullet).

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Received on Wednesday, 5 December 2012 08:33:02 UTC