There are hemispherical only systems out there. So layouts that use loudspeakers in the upper hemisphere only.
Sorry for unclearness. Am 13.10.2012 um 08:57 schrieb Dave Malham: > 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 _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
