The problem with protoos is it only does 7.1 ? I was speaking to one of the DTS guys and they have to mix hight using only a horizontal monitoring environment - obviously not ideal !
On 8 December 2015 at 07:10, Douglas Murray <dmur...@well.com> wrote: > Atmos has a 9.1 “bed" (7.1 with two ceiling arrays), and more objects than > speakers. Therefore each speaker could have an object dedicated to it. Each > playback space is different though, so Atmos interpolates objects between > available speakers to “render" desired pan location to actual monitor > speaker locations. > > I suspect that if you wanted to you could set an object at each speaker’s > location and send a “holistic” recording to each of those speakers. They > may not be in the optimum locations for ambisonic decoders but it might not > be entirely incompatible. That could be made to work with some success in a > particular auditorium for which the objects match the speaker locations. > The sound field might not translate so well to other Atmos rooms. Which > makes me wonder: how would an ambisonic sound field would pay back in other > sized and equipped Atmos rooms? > > I can’t answer any of Spencer’s questions properly. I do know that the > Atmos RMU (renderer) takes each mono or stereo object audio channel and > places or pans it around the room based on XYZ and size metadata. These > positions are mapped to the available speakers based on a stored "room > configuration" file in the RMU of the number and location of speakers in > the particular room. These objects can coexist with a conventional “bed” of > 7.1 L, C, R, Lss, Rss, Lsr, Rsr, LFE arrangement with the addition of the > "overhead" two arrays of ceiling speakers, 1 running down the left center > of the ceiling, and one on the right center of the ceiling (called Lts and > Rts). > > There is practical documentation for cinema mixers at > http://www.dolby.com/us/en/technologies/dolby-atmos/authoring-for-dolby-atmos-cinema-sound-manual.pdf > < > http://www.dolby.com/us/en/technologies/dolby-atmos/authoring-for-dolby-atmos-cinema-sound-manual.pdf> > which contains specific instructions on how to use current technology, > primarily Pro Tools, to prepare Atmos masters correctly. They don’t address > HOA at all. Cinemas have RMU hardware in their projection booths, but there > is also a software only renderer available for sound design rooms, which > often have a minimal surround and overhead allotment of speakers. > > Doug Murray > Film sound editor > > > > > On Dec 7, 2015, at 10:50 AM, Ben Bloomberg <b...@mit.edu> wrote: > > > > I think the default configuration is 118 objects > > and two 9.1 beds. > > > > :/ not ideal. > > > > Ben > > > > On Mon, Dec 7, 2015 at 12:55 PM, Spencer Russell <s...@media.mit.edu> > wrote: > > > >> Is there any technical info available about how Atmos content is > >> encoded? I've seen reference to "128 channels" so does that mean things > >> are encoded as up to 128 simultaneous channels coming from different > >> virtual locations? How do they get re-panned for the client-side speaker > >> configuration? If so are the locations movable or hard-coded in the > >> format? Are there any shoot-outs out there between Atmos and HOA? It's > >> hard to find technical info among all the marketing. > >> > >> -s > >> > >> On Mon, Dec 7, 2015, at 12:37 PM, Stefan Schreiber wrote: > >>> Peter Lennox wrote: > >>> > >>>> Yes, the thinking is that a speaker-layout-agnostic format file can be > >> transmitted and decoded at the client end of things, so it could end up > >> being mono, stereo, surround, surround with height, large-scale surround > >> (eg cinema) and so on, depending on the technical competence of the > client > >> machine. > >>>> Of course, a lot could go wrong... > >>>> > >>>> > >>> > >>> With the limitation that audio objects alone don't define a real > >>> acoustic space/environment. (You would have to render this.) > >>> > >>> It is good to have options. But audio objects are not very compatible > >>> with holistic = real recordings? > >>> > >>> (Audio objects have been used for ages in game audio, including > >>> rendering of reflections and simulated acoustics.) > >>> > >>> Dolby Atmos is actually a hybrid (C/O) format. > >>> > >>> > >>> Best, > >>> > >>> Stefan > >>> > >>> > >>> > >>>> Dr. Peter Lennox > >>>> Senior Lecturer in Perception > >>>> College of Arts > >>>> University of Derby, UK > >>>> e: p.len...@derby.ac.uk > >>>> t: 01332 593155 > >>>> https://derby.academia.edu/peterlennox > >>>> https://www.researchgate.net/profile/Peter_Lennox > >>>> > >>>> > >>>> > >>>> > >>> > >>> _______________________________________________ > >>> 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. > >> _______________________________________________ > >> 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. > >> > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20151207/d05105f0/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. > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20151207/4f1fdabb/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. > -- www.augustineleudar.com -------------- next part -------------- An HTML attachment was scrubbed... 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