Hi Fabio,
Did you actually mean that "there are only hemispherical
ambisonics systems out there" or am I misinterpreting what you said?
'Cos that suggests that there are no full sphere systems....
Dave
On 12 October 2012 16:02, Fabio Kaiser <fabio.kai...@student.tugraz.at> wrote:
>
>> In practice, to preserve the AMB nature of the decoding you need the
>> first 'below the horizon' ring also for an hemisphere. For the 3rd
>> order layout I described earlier, that means you need the ring of 6
>> at -45 degress elevation. At higher orders you would have more rings,
>> the first one would be closer to the horizon, and you could leave out
>> the others.
>
> But there are only hemispherical ambisonics systems out there, not having a
> few below the horizon speakers.
> What's the decoding secret for that?
>
> I know one approach is to derive new basis functions for that geometry. Not
> so simple though.
>
> Fabio
>
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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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