Yes, but that's the point - for off-centre listening Dr. Peter Lennox
School of Technology, Faculty of Arts, Design and Technology University of Derby, UK e: [email protected] t: 01332 593155 -----Original Message----- From: Sursound [mailto:[email protected]] On Behalf Of Aaron Heller Sent: 09 October 2013 01:18 To: Surround Sound discussion group Subject: Re: [Sursound] two new BBC Research white papers on Ambisonics The second one uses basic decoding (aka velocity, matching, rV=1) decoding over the entire frequency range, which means, among other things, that the ILDs are not as large as they would be with rE_max decoding. Aaron ([email protected]) Menlo Park, CA US On Tue, Oct 8, 2013 at 3:30 PM, Peter Lennox <[email protected]> wrote: > The first paper basically concludes that higher order (3rd) produces > better elevation discrimination. Given that elevation (or rather, > vertical) perception is thought to largely rely on Pinnae effects, > this is hardly suprising (since, for a given order, wavefront > reconstruction error increase with frequency) One conclusion, > therefore, might be that it would be advisable to concentrate limited > resources in providing better resolution to the up-down axis, in > preference over the horizontal axis. This is in contrast to a strand > of thinking that advocates concentrating on the horizontal axis at the > expense of the vertical, on the basis that we really don't perceive > up/down all that well because interaural differences are more > important than other cues. > So I hope we've laid that ghost to rest. > Dr Peter Lennox > > School of Technology, > Faculty of Arts, Design and Technology University of Derby, UK > e: [email protected] > t: 01332 593155 > ________________________________________ > From: Sursound [[email protected]] On Behalf Of Aaron > Heller [ [email protected]] > Sent: 08 October 2013 23:10 > To: Surround Sound discussion group > Subject: [Sursound] two new BBC Research white papers on Ambisonics > > [1] P. Power, C. Dunn, B. Davies, and J. Hirst, "Localisation of > Elevated Sources in Higher-Order Ambisonics," BBC R&D, WHP 261, Oct. 2013. > http://www.bbc.co.uk/rd/publications/whitepaper261 > > > > [2] D. Satongar, C. Dunn, Y. Lan, and F. Li, "Localisation Performance > of Higher-Order Ambisonics for Off-Centre Listening," BBC R&D, WHP 254, Oct. > 2013. > > http://www.bbc.co.uk/rd/publications/whitepaper254 > -------------- next part -------------- An HTML attachment was > scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/2013100 > 8/d0c438d8/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/20131008/2a787a6b/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
