A nice appreciation of Mike Skeet by Hugh Robjohns here:
http://www.ips.org.uk/articles/2016/01/20/mike-skeet-1932-2015/
David
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> On 25 Jan 2016, at 01:37, Marc Lavallée wrote:
>
>> As anything simpler but functional might be sufficient and even
>> preferable in most cases:
>>
>> - Does ATK define an HRTF interface which is sufficiently flexible to
>> be the base for a real < standard > ?
>
> Not
A student, Mike (?) Evans, of colleagues of mine from the Department of
Electronics at York did some work on a spherical harmonic representation of
HRTF's back in the 1990's. I haven't got the paper handy but I seem to
remember he ended up concluding you'd need something like 15'th order to
get
Dear All,
I would like to add a few words to the discussion on the AES69-2015 / SOFA
format:
AES69 standardizes the SOFA file format to exchange space-related acoustic
data. The format is designed to be sufficiently flexible to include source
materials from different databases and for
Trond Lossius wrote:
On 25 Jan 2016, at 01:37, Marc Lavallée wrote:
As anything simpler but functional might be sufficient and even
preferable in most cases:
- Does ATK define an HRTF interface which is sufficiently flexible to
be the base for a real < standard > ?
ally would/should
Clear?
My best,
*Joseph Anderson*
*http://www.ambisonictoolkit.net/ <http://www.ambisonictoolkit.net/>*
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On 01/26/2016 06:36 PM, Stefan Schreiber wrote:
2. < 8 > impulses (for 4 virtual speakers) implies that you don't
support 3D decoders (?). If not, why this? (Immersive/3D audio is on the
requirement list for VR. It wouldn't make a lot of sense if all sound
sources will follow your gaze -
, I should write a paper detailing _exactly_ what we do... )
My best,
Jo
*Joseph Anderson*
*http://www.ambisonictoolkit.net/ <http://www.ambisonictoolkit.net/>*
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Hi Jorn,
yes that is correct. I think however that the virtual loudspeaker stage is
unnecessary. It is equivalent if you expand the left and right HRTFs into
spherical harmonics and multiply their coefficients (in the frequency domain)
directly with the coefficients of the sound scene (which
On Tue, Jan 26, 2016 at 09:52:21PM +0100, Jörn Nettingsmeier wrote:
> On 01/26/2016 06:36 PM, Stefan Schreiber wrote:
>
> >2. < 8 > impulses (for 4 virtual speakers) implies that you don't
> >support 3D decoders (?). If not, why this? (Immersive/3D audio is on the
> >requirement list for VR. It
On Tue, Jan 26, 2016 at 10:05:07PM +, Politis Archontis wrote:
> yes that is correct. I think however that the virtual loudspeaker
> stage is unnecessary. It is equivalent if you expand the left and
> right HRTFs into spherical harmonics ...
True, but the problem with this is that it
Hi Fons,
I think I see your point, but I still believe they are equivalent in any case?
In the end by having a lower-order sound field recording (eg B-format), than
the expansion order of the HRTFs at some frequency, the spatial product is
going to be limited by the sound-field order. If there
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