Re: Ph.D. dissertation announcement: Sound Source Segregation

[Al Bregman <bregman@xxxxxxxxxxxxxxxxxxxx>]

Dear Harry,

Any chance that there's any biological relevance to John Murray's approach?

Al

----- Original Message ----- 
From: "Harry Erwin" <harry.erwin@xxxxxxxxxxxxxx>
To: "Al Bregman" <al.bregman@xxxxxxxxx>
Sent: Saturday, December 17, 2005 3:18 AM
Subject: Re: Ph.D. dissertation announcement: Sound Source Segregation


> I always suggest this idea in my lecture to the computing students on
> auditory localization. It's related to target motion analysis in
> submarine sonar. My student, John Murray, has been doing something
> similar and has shown that prediction of movement coupled with
> movement of the array improves the SNR markedly. He's using an Elman
> network instead of a HMM.
>
> On 17 Dec 2005, at 06:22, Al Bregman wrote:
>
> > Hi Nicoleta,
> >
> > Thanks for the announcement and making your thesis available
> > online.  I've
> > read the abstract, though not the full thesis.
> >
> > It brought back to mind something that's been bothering me about
> > the use of
> > spatial location in separating sounds.  Typically in studying spatial
> > hearing in humans, we immobilize the head to a greater or lesser
> > degree so
> > that our subjects won't "cheat" by moving their heads.  In doing
> > so, we may
> > be systematically ignoring an important cue for auditory scene
> > analysis
> > (ASA).  Why do the subjects want to move their heads?  Is it
> > because such
> > motions (as well as whole-body motions) cause the components from
> > different
> > sound sources to behave differently, making it easier to segregate
> > them?
> >
> > Has anybody studied the role of head movements in ASA?
> >
> > Al
> >
>
> --
> "The data (or the marks when teaching) are sacrosanct--they tell us
> what actually happened." Harry Erwin, PhD
> http://osiris.sunderland.ac.uk/~cs0her
>
>
>
>
>
> --
> "The difference between theory and practice is that, in theory, there
> is no difference between theory and practice, but in practice, there
> is." (Tom Vogl)
> Harry Erwin
>
>