[Openal] Specifics on Spatialization?

[Jarryd Beck]

The user manual describes on some detail some of the mathematical
principles behind what OpenAL is doing, but by the sounds of it that
isn't enough. Do you have any programmers on your team that could read
the code?

Jarryd.

On Mon, May 5, 2008 at 2:51 PM, Matthew Tata <matthew.tata at uleth.ca> wrote:
> Hi,  thanks Jason.
>
>  This is a really unfortunate situation.  There are a number of neuroscience
> labs that study human auditory mechanisms such as auditory attention and
> scene analysis that would be thrilled to use OpenAL to present free-field
> sounds.  For example, we are hoping to study Attention Deficit Disorder in a
> virtual classroom.  We need first to establish some legitimacy for using the
> OpenAL environment as this hasn't been done in my field before.  This is
> impossible if I cannot describe at least the first principles of sound
> localization that are implemented by the audio hardware and OpenAL.  I would
> have to seek out another option.
>
>  Regards,
>
>  Matt
>
>
>
>
>  --
>  Matthew Tata, Ph.D.
>  Assistant Professor
>  The University of Lethbridge
>  4401 University Drive
>  Lethbridge, AB T1J 3M4
>  ph. (403) 394-3994
>  fax (403) 329-2775
>
>  matthew.tata at uleth.ca
>
>
>
>
>  On Apr 24, 2008, at 12:33 PM, Jason Daly wrote:
>
>
> > Matthew Tata wrote:
> >
> > > Hi,
> > >
> > > I'm using OpenAL to create auditory environments for research in an
> auditory perception lab.  I would like to learn more about precisely how the
> basic (i.e. without using EFX) spatialization of sound is accomplished (i.e.
> which localization cues are rendered?  Phase lag? Arrival time? Intensity?).
> In particular, is there a published source that I could cite in upcoming
> research papers?
> > >
> >
> > Hi, Matt,
> >
> >
> > I'm guessing you're going to be disappointed.  I've not heard about any
> publications about the open-source OpenAL implementations (OpenAL-Soft, the
> current leading software implementation is pretty new).  At the same time, I
> don't think Creative has published much about the details of their native
> hardware implementation either.  There are several documents at
> http://developer.creative.com that you can look at, though.  Maybe you'll
> find what you need there.
> >
> > The OpenAL specification is at http://www.openal.org , but it doesn't
> sound like you're looking for that kind of information.
> >
> > --"J"
> >
> >
>
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