aye I thought about that - the migrating notches and dips above 8khz - still it must be a bit more complex than that in this case - I spent weeks trying to emulate elevation effects with critical bands and other techniques but never came close to anything like that effect....
On 7 August 2012 12:33, Peter Lennox <[email protected]> wrote: > That sounds like critical bands; in the recording, you'd actually captured > something that would appeal to pinnae effects, giving elevation cues you > would not have expected to capture without binaural recording techniques. > Some speakers also generate similar cues (if the frequency content is there > in the source material), so that the soundstage has an upward 'bulge' in > the middle, where HF signals seem to climb above the left-right soundstage. > Waveguide technologies can sometimes be responsible. > Cheers > ppl > > Dr Peter Lennox > School of Technology > University of Derby, UK > tel: 01332 593155 > e: [email protected] > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of Augustine Leudar > Sent: 07 August 2012 12:24 > To: [email protected]; Surround Sound discussion group > Subject: Re: [Sursound] Can anyone explain this ? > > I personally think that these things can sometimes happen due to weird room > reflections , resonances modes, the position of the television etc > interacting weirdly with certain frequencies. > I will never forget one of these events when I recorded bird sound. Played > back on my crappy laptiop speakers the birds literally seemed to be > localised over a metre and a half above the laptop. Whats more everyone > could hear the same effect ! As it only worked on that laptop and I only > had it in one position in the room I reached the conclusion it was some > weiird reflection thing off the screen/room. I wish I could remmeber which > recording it was .... > > On 7 August 2012 12:09, Richard Dobson <[email protected] > >wrote: > > > Re odd things heard: is anyone here a regular watcher of "The Big Bang > > Theory" show (E4, and on various cable channels)? There is a standard > > "sting" (a sort of semi-pitched noise cluster cum whoosh sort of thing, > > little more than a second in length) used to transition from one scene to > > the next. My stereo TV (full HD but otherwise cheap 32" LCD type) is in > > the corner of my lounge, and is in general not notable at all for > > significant stereo effects, much less anything more "immersive". > Obviously, > > the built-in speakers (a generous 2 * 6W) are the typical small tinny > > things. > > > > However, that sting, fleeting as it is, seems to produce a significant > > amount of pseudo-surround, very much ~not~ localised to the TV, such that > > every time it is really rather surprising. One day I will have to record > > and analyse it, but I haven't got around to that yet. Does anyone have > any > > idea if this is just a random emergent feature of the sound (TV or room > > artifact), or has that effect been designed into it in some discernible > way? > > > > > > Richard Dobson > > > > .. > > > >> sometimes (depending on content), the result will be surprising, but > >> tricks like these tend to fail on arbitrary content. > >> > >> > > ______________________________**_________________ > > Sursound mailing list > > [email protected] > > https://mail.music.vt.edu/**mailman/listinfo/sursound< > https://mail.music.vt.edu/mailman/listinfo/sursound> > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20120807/644571e3/attachment.html > > > _______________________________________________ > Sursound mailing list > [email protected] > https://mail.music.vt.edu/mailman/listinfo/sursound > > _____________________________________________________________________ > The University of Derby has a published policy regarding email and > reserves the right to monitor email traffic. If you believe this email was > sent to you in error, please notify the sender and delete this email. > Please direct any concerns to [email protected]. > _______________________________________________ > Sursound mailing list > [email protected] > https://mail.music.vt.edu/mailman/listinfo/sursound > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20120807/68222ba8/attachment.html> _______________________________________________ Sursound mailing list [email protected] https://mail.music.vt.edu/mailman/listinfo/sursound
