Okay (dont start a gearslutzlike fight🙏👉🍷) so the phase issue is not to be considered a problem - if done correctly - but what about the sweet spot issue?
BR Søren Bendixen > Den 27. mar. 2018 kl. 20.40 skrev Fons Adriaensen <f...@linuxaudio.org>: > > On Tue, Mar 27, 2018 at 08:01:20AM +0100, Jack Reynolds wrote: > >> As far as I know, higher order ambisonics over loudspeakers has >> a quite confined sweet spot. Higher order spherical harmonics >> produce an in phase and out of phase signal in opposite speaker >> pairs. So if you pan a signal towards a particular speaker, the >> opposite speaker will produce a lower level antiphase signal, >> which will work when you are positioned equidistant from both >> speakers, causing a certain amount of nulling of the air pressure >> at that spot, but positive particle velocity, like a figure 8 mic >> pattern. > > It is unfortunate (and strange) that after all those years this sort > of misinformation is still spread. I can only attribute it to what > seem to be two properties of 'the web': anybody, no matter how misguided > or malicious, can post whatever he/she wants, and the web never forgets. > > To put this straight: yes these antiphase signals in the opposite > direction do exist. But first, their level goes down as order increases, > and second, any decent AMB decoder will use this form of decoding only > for low frequencies (where 'low' depends on the size of the rig). > At mid and higher frequencies a 'max-rE' decode should be used, and > at third order and above the produces very such low levels in the > opposite direction that it doesn't matter anymore. Third and higher > order will work very well for larger systems - IF DONE CORRECTLY. > > Ciao, > > -- > FA > > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit > account or options, view archives and so on. Med venlig hilsen/Best regards Søren Bendixen Composer/Sound Designer/Producer Winner of Monitor Industry Award 2016 for the exhibition “Gladiator”, At Moesgaard Museum New album Music for exhibitions out 15 January 2017 Company: Søren Bendixen & Anette Krag soerenbendi...@gmail.com +45 60624394 www.soerenbendixen.com Facebook Soundcloud -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20180327/b028ae1d/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: Musicforexhibitions_2x32cm.jpg Type: image/jpeg Size: 61248 bytes Desc: not available URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20180327/b028ae1d/attachment.jpg> _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
