Hi Stefan - Im aware of the role of ILDs and ITDs at close distances - but I couldnt find any papers on the curvature being a cue at very close distances though - be interested to read some - have you got any links ?
On 24 January 2018 at 02:12, <st...@mail.telepac.pt> wrote: > Citando Augustine Leudar <augustineleu...@gmail.com>: > > Hi Jack, >> >> Aside from ILDs, ITDs, I also wondered if the pinna was able to >> distinguish >> >> very close sound sources due to the fact the wavefront would be much more >> >> curved almost spherical to the degree that it would be different pressure >> >> present at different folds of the pinna (ie very close up sound slike a >> >> mosquito) . I dont think theres been much done on that... >> > > Hi Augustine, > > I think "there has been done quite a lot on that"... 😉 > > (Reproduction of near-field audio sources) > > Beside of spherical waves (and their consequences) we should not overlook > that any high-frequency emitting (annoying) mosquito next to your left ear > would be heard much softer at your right ear, the head shadow being even > more relevant at close distances. > > BR > > Stefan > > P.S.: It is important to know about the "depth" of a mosquito audio object > relative to your head, both in VR and in real life... > > On 23 January 2018 at 11:58, jack reynolds <jackreynolds...@gmail.com> >> >> wrote: >> >> It looks like a method for binaural rendering with multiple distance >>> HRTFs. >>> >>> >>> >>> Ambisonics could be one of the inputs, but it seems to be aimed more at >>> >>> object based virtual reality, where the listener is more likely to come >>> >>> very close to an audio source. >>> >>> >>> >>> Most HRTFs are currently measured at 1m distance, so any objects closer >>> >>> than 1m are not currently rendered correctly. >>> >>> >>> >>> Far field HRTFs are closer to plane waves, whereas close up audio >>> objects >>> >>> emit more spherical waves, creating greater differences in interaural >>> time >>> >>> difference (ITD). >>> >>> >>> >>> Jack >>> >>> >>> >>> On 23 January 2018 at 11:18, Bearcat Şándor <bearcatsan...@gmail.com> >>> >>> wrote: >>> >>> >>> >>> I don't know a lot about patent law, but is this an attempt to tie up >>> our >>> >>> beloved Ambisonics? >>> >>> >>> >>> http://www.freepatentsonline.com/y2017/0366912.html >>> >>> >>> >>> .... >>> >> -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <https://mail.music.vt.edu/mailman/private/sursound/attachme > nts/20180124/16ff3135/attachment.html> > > _______________________________________________ > 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. > -- Dr. Augustine Leudar Artistic Director Magik Door LTD Company Number : NI635217 Registered 63 Ballycoan rd, Belfast BT88LL -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20180124/203bc048/attachment.html> _______________________________________________ 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.
