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 > > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound -- 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 Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound