thanks that’s all great info. cheers
oli > On 24 Oct 2017, at 21:09, Aaron Heller <ajhel...@gmail.com> wrote: > > I published a python script that does the encoding, mux'ing, and metadata > injection for ".amb" files to YouTube VR videos. Sox and ffmpeg do the > heavy lifting. > > https://bitbucket.org/ambidecodertoolbox/amb2yt > > Example output at: > > https://youtu.be/eY9DMn8pgGA > > You need to view it in Chrome on a desktop/laptop or the YouTube app on an > iPhone (and I presume Android, but have no way to test it). > > Aaron > > > On Tue, Oct 24, 2017 at 5:48 AM, Marc Lavallée <m...@hacklava.net> wrote: > >> >> FB also have their own specs, and some info can be found here >> (without a FB account): >> https://facebookincubator.github.io/facebook-360-spatial-workstation/ >> >> -- >> Marc >> >> On Tue, 24 Oct 2017 08:30:54 -0400, I wrote: >>> Hi Oliver. >>> >>> To my knowledge there's nothing special about muxing more than 2 >>> channels of audio with a video stream. Once a video file and a >>> multi-channel audio file are ready to mux, FFmpeg can do it (MP4Box >>> is also useful for MP4 streams). About mixing codecs: there's cases >>> where the MKV container is required; for example, H-264 + Opus, but I >>> could be wrong. What I found difficult (3 years ago) was to prepare >>> and render multi-channel audio streams and save them in the AMB >>> format, but now I suppose there's more options. >>> >>> I did not know about VLC3 and its ambisonics support. >>> But I can see here: >>> https://twitter.com/m4gsoft/status/890127816842465280 >>> That the support is based on Google specs: >>> https://github.com/google/spatial-media >>> I guess that the produced files can also be decoded to speaker arrays. >>> >>> P.S.2: I'd be trilled to consult the FB page that Umashankar >>> suggested, but it requires a login and I'll never get a FB account. >>> So any useful info found on FB should be forwarded to >>> non-big-brothered repositories. -- >>> Marc >>> >>> Le Tue, 24 Oct 2017 12:03:02 +0100 >>> Oliver Larkin <olilar...@googlemail.com> a écrit: >>> >>>> Hi All, >>>> >>>> Is anyone is aware of a good resource that will help me learn about >>>> muxing video with ambisonic audio? I don’t have much experience with >>>> audio for video full stop and I am confused about what is possible >>>> with different codecs. I haven’t been able to find comprehensive >>>> info online. I would like to know what video formats/containers for >>>> both audio and video i can use to distribute video + HOA audio >>>> (although knowing about what’s possible for FOA audio would also be >>>> great). Web based playback is what this is really for, but I would >>>> also like to know about high quality options for downloads, since >>>> VLC 3 does TOA. Not sure if this will allow a custom decoder or if >>>> it’s just for binaural. >>>> >>>> Sorry for a bit of an open ended question, but if anyone has any >>>> tips i’d really appreciate it. >>>> >>>> Thanks! >>>> >>>> Oli >>>> >>>> >>>> _______________________________________________ >>>> 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. >> >> _______________________________________________ >> 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/20171024/20793ed5/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. _______________________________________________ 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.
