hmm that might be it - they are not the best speakers in the world ! the effect is not noticable if you stand more than a metre or two away from the array - thats why I thought it might be to do with precedence...
On 12/09/2012, jim moses <jmo...@brown.edu> wrote: > the effect described could be an artifact of the speakers being used. if > the speakers have have a high frequency bump at 0 degrees on axis, as many > do, you can get the sensation described where each speaker sort of pops out > of the array as you move in front of it. > > jim > > On Wed, Sep 12, 2012 at 9:07 AM, Fons Adriaensen > <f...@linuxaudio.org>wrote: > >> On Wed, Sep 12, 2012 at 01:17:23PM +0100, Augustine Leudar wrote: >> >> > This is a question for those with knowledge of WFS. One of the >> > properties of plane waves propagated with a single line array on a >> > Wavefield synthesis system is that as you walk down the array the >> > sound "follows" you appearing to emanate from the nearest loudspeaker >> > . I was wondering if this was due to the precedence effect alone or if >> > something else was going on as well ? >> >> It will be the nearest speaker only if the direction of the source >> is orthogonal to the line array. >> >> What goes on is that the waves produced by the secondary sources >> (speakers) combine into a wave as would be produced by a real >> source in a particular direction and at a large distance. At >> least within the bandwidth which does not produce spatial aliasing, >> your ears/brain have no information at all to identify the speakers >> as separate sources, so there is no precedence effect involved. >> >> >> Ciao, >> >> -- >> FA >> >> A world of exhaustive, reliable metadata would be an utopia. >> It's also a pipe-dream, founded on self-delusion, nerd hubris >> and hysterically inflated market opportunities. (Cory Doctorow) >> >> _______________________________________________ >> Sursound mailing list >> Sursound@music.vt.edu >> https://mail.music.vt.edu/mailman/listinfo/sursound >> > > > > -- > Jim Moses > Technical Director/Lecturer > Brown University Music Department and M.E.M.E. (Multimedia and Electronic > Music Experiments) > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <https://mail.music.vt.edu/mailman/private/sursound/attachments/20120912/e9e5b5ac/attachment.html> > _______________________________________________ > 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
