Re: [Sursound] NOT The Barber of Seville

2013-02-02 Thread Gerard Lardner
And, indeed, the virtuoso percussionist Dame Evelyn Glennie, who is 
profoundly deaf, reputedly 'hears' through her feet. Given how 
delicately she can play (she performs barefoot), she must have 
exceptional sensitivity in her feet. She claims to have trained herself 
to hear with other parts of her body than her ears 
(http://www.evelyn.co.uk/Resources/Essays/Hearing%20Essay.pdf).


Gerard Lardner


On 02/02/2013 06:52, Dave Malham wrote:

Hi

On 1 February 2013 22:35, Fons Adriaensen  wrote:


Most systems that try to deliver sound directly to the ears
(this includes binaural, crosstalk cancellation etc.) ignore
the fact that normally a listener is not clamped into a vise.
Even binaural with head tracking only considers rotational
movements, completely ignoring translational.


That's not necessarily true in theory, but certainly is in practice :-)


The ability to move our two acoustic sensors leads to capablities
that are often ignored when describing the way some system is
supposed to work (or not work). For example front/back resolution
(which is not disputed), but in theory also resolving phase
ambiguities well above the usual 700 Hz or so limit, identifying
reflections as such, etc.


The other thing that is widely ignored is that our ears are not the
only way we perceive sound - I'm sure (well, at least I hope) Eric
will confirm that even profoundly deaf people can perceive
(particularly low bass) sounds through their direct effects on our
bodies, which simply aren't stimulated at all by headphone
presentations.

  Dave



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Re: [Sursound] NOT The Barber of Seville

2013-02-02 Thread Augustine Leudar
I knew sibilant vowel sounds can be perceived by our skin and I was
recently reading about dental hearing aids - I would love to hear of any
more.

>
> The other thing that is widely ignored is that our ears are not the
> only way we perceive sound - I'm sure (well, at least I hope) Eric
> will confirm that even profoundly deaf people can perceive
> (particularly low bass) sounds through their direct effects on our
> bodies, which simply aren't stimulated at all by headphone
> presentations.
>
>  Dave
>
> --
> As of 1st October 2012, I have retired from the University, so this
> disclaimer is redundant
>
>
> These are my own views and may or may not be shared by my employer
>
> Dave Malham
> Ex-Music Research Centre
> Department of Music
> The University of York
> Heslington
> York YO10 5DD
> UK
>
> 'Ambisonics - Component Imaging for Audio'
> ___
> Sursound mailing list
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>



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[Sursound] LAC 2013: the Linux Audio Conference - Deadline Extension

2013-02-02 Thread Florian Hollerweger
sorry for ><  please >> <<

Hi all,

The Linux Audio Conference submission deadline has been extended! It is now 
February 17th, 2013 (23:59 HAST).

So, if you were considering to submit a paper but couldn't make up your mind 
yet, here is your chance to become active! Never forget that this conference 
lives through the people participating in it.

FEBRUARY 17th is the new deadline for all submission types: papers, music, 
installations, workshop proposals. 

Check out the link below more info:
 http://lac.linuxaudio.org/2013/participation

Please spread this information to anyone who might be interested.
If you have any questions, drop us a line at l...@linuxaudio.org

We are looking forward to seeing you in Graz in May!
Thanks and happy last-minute music-and-paper-submissions,

the LAC2013 organization team

---
LAC 2013: the Linux Audio Conference
May 9-12, 2013 @ IEM, Graz/Austria
l...@linuxaudio.org
http://lac.iem.at
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Re: [Sursound] NOT The Barber of Seville

2013-02-02 Thread Stefan Schreiber

Dave Malham wrote:


Hi

On 1 February 2013 22:35, Fons Adriaensen  wrote:

 


Most systems that try to deliver sound directly to the ears
(this includes binaural, crosstalk cancellation etc.) ignore
the fact that normally a listener is not clamped into a vise.
Even binaural with head tracking only considers rotational
movements, completely ignoring translational.

   



That's not necessarily true in theory, but certainly is in practice :-)
 



Yes, but you  < could > calculate this, probably even with a reasonable 
effort.


You would have to calculate a soundfield depending on your position 
relative to loudspeakers or sound sources (generalized), and to 
"correct" rotational movements (HT) in the 2nd stage.


It might not be something trivial, but I would call this just a reduced 
version of WFS. If I am right, this can be done.


 


The ability to move our two acoustic sensors leads to capablities
that are often ignored when describing the way some system is
supposed to work (or not work). For example front/back resolution
(which is not disputed), but in theory also resolving phase
ambiguities well above the usual 700 Hz or so limit, identifying
reflections as such, etc.

   



The other thing that is widely ignored is that our ears are not the
only way we perceive sound - I'm sure (well, at least I hope) Eric
will confirm that even profoundly deaf people can perceive
(particularly low bass) sounds through their direct effects on our
bodies, which simply aren't stimulated at all by headphone
presentations.

Dave

 


And probably very high frequencies. (bone transmission)

However, the fact that absolute perfection might not be feasible does 
not mean that we can't improve the existing headphones



Best,

Stefan
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