On 11 October 2012 21:34, Jörn Nettingsmeier
<netti...@stackingdwarves.net> wrote:
> On 10/11/2012 09:09 AM, Dave Malham wrote:
>>
>> Some other interesting statements, for instance page 7, "Thus,
>> stationary-source elevation cannot practically be accomplished" -
>
>
> it's been a while since i read that paper, but isn't that sentence
> specifically about auro-3d?
> the title seems to suggest otherwise, but i think it's not really meant as a
> general overview at all.
>
Wouldn't that mean that they are actually saying their technique does
not work as well as it could?
>> page 14 "One signal on more than two loudspeakers leads to coloration
>> and thus should be avoided" - just on _more than_ two speakers? That
>> should surely be "more than one".
>
>
> well, depends. iirc, theile's argument is that a two-speaker phantom source
> should be a mess in terms of spectrum, but isn't (as two-speaker stereophony
> demonstrates). so for some reason, the brain is able to sort it out. more
> than two correlated sources, and things go awry, e.g. L/C/R with too much
> crosstalk is a pitiful mess.
>
Hmm - a matter or discussion - you can certainly(usually) hear it if
you can move around.
>> Ah well, at least it would get a sufficient number of speakers into
>> people's homes to do Ambisonics with height with a re-jigging of their
>> positions ;-)
>
>
> if only i had some time on my hands, i'd love to throw an ambisonic deocoder
> at an auro-3d layout... it's quite sub-optimal for ambi, but there are quite
> a few of those systems around.
Indeed, and as the system is probably as, shall we say, 'forgiving' as
5.1 in terms of speaker positioning, moving the rears in and the
fronts out to make something more cubic, it could work quite well for
ambisonics, whilst not screwing it up too badly for Auro-3d.
Dave
>
>
> --
> Jörn Nettingsmeier
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--
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'
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