Hi Oli ! I read something online about this I will try and dig it up. Ben
On Tue, Oct 24, 2017 at 5:00 PM, <sursound-requ...@music.vt.edu> wrote: > Send Sursound mailing list submissions to > sursound@music.vt.edu > > To subscribe or unsubscribe via the World Wide Web, visit > https://mail.music.vt.edu/mailman/listinfo/sursound > or, via email, send a message with subject or body 'help' to > sursound-requ...@music.vt.edu > > You can reach the person managing the list at > sursound-ow...@music.vt.edu > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Sursound digest..." > > > WHEN REPLYING EDIT THE SUBJECT LINE > > ALSO EDIT THE MESSAGE BODY > > You are receiving the digest so when replying, please remember to edit > your Subject line to that of the original message you are replying to, so > it is more specific than "Re: Contents of Sursound-list digest…" the > subject should match the post you are replying to. > > Also, please EDIT the quoted post so that it is not the entire digest, but > just the post you are replying to - this will keep the archive useful and > not polluted with extraneous posts. > > This is the responsibility of digest subscribers. the community and list > subscribers care about the integrity of the threads and archives so this is > important. > > Today's Topics: > > 1. ambisonics + video (Oliver Larkin) > 2. Re: ambisonics + video (umashankar manthravadi) > 3. Re: ambisonics + video (Marc Lavall?e) > 4. Re: ambisonics + video (Marc Lavall?e) > 5. getting the peak frequency from microphone input > (=?gb18030?B?wdikzg==?=) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 24 Oct 2017 12:03:02 +0100 > From: Oliver Larkin <olilar...@googlemail.com> > To: Surround Sound discussion group <sursound@music.vt.edu> > Subject: [Sursound] ambisonics + video > Message-ID: <d503bab9-ff42-4da9-982b-8c055b45a...@googlemail.com> > Content-Type: text/plain; charset=utf-8 > > 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 > > > > > ------------------------------ > > Message: 2 > Date: Tue, 24 Oct 2017 11:37:09 +0000 > From: umashankar manthravadi <umasha...@hotmail.com> > To: Surround Sound discussion group <sursound@music.vt.edu> > Subject: Re: [Sursound] ambisonics + video > Message-ID: > <DM5PR1001MB215459DAE72892971F799112BA470@DM5PR1001MB2154. > namprd10.prod.outlook.com> > > Content-Type: text/plain; charset="windows-1252" > > Try this FB group. You will get lots of help. https://www.facebook.com/ > groups/SpatialAudioVRARMR/ > > umashankar > > Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for > Windows 10 > > From: Oliver Larkin<mailto:olilar...@googlemail.com> > Sent: Tuesday, October 24, 2017 4:33 PM > To: Surround Sound discussion group<mailto:sursound@music.vt.edu> > Subject: [Sursound] ambisonics + video > > 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. > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > attachments/20171024/7e0b9d14/attachment.html> > > > ------------------------------ > > Message: 3 > Date: Tue, 24 Oct 2017 08:30:54 -0400 > From: Marc Lavall?e <m...@hacklava.net> > To: Oliver Larkin <olilar...@googlemail.com> > Cc: Surround Sound discussion group <sursound@music.vt.edu> > Subject: Re: [Sursound] ambisonics + video > Message-ID: <20171024083054.4000858d@telecino> > Content-Type: text/plain; charset=UTF-8 > > 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 ?crit: > > > 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. > > > > ------------------------------ > > Message: 4 > Date: Tue, 24 Oct 2017 08:48:41 -0400 > From: Marc Lavall?e <m...@hacklava.net> > To: Oliver Larkin <olilar...@googlemail.com> > Cc: Surround Sound discussion group <sursound@music.vt.edu> > Subject: Re: [Sursound] ambisonics + video > Message-ID: <20171024084841.7384436a@telecino> > Content-Type: text/plain; charset=UTF-8 > > > 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 ?crit: > > > > > 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. > > > > ------------------------------ > > Message: 5 > Date: Tue, 24 Oct 2017 23:28:29 +0800 > From: "=?gb18030?B?wdikzg==?=" <951343...@qq.com> > To: "=?gb18030?B?c3Vyc291bmQ=?=" <sursound@music.vt.edu> > Subject: [Sursound] getting the peak frequency from microphone input > Message-ID: <tencent_c38326e4060c3977a94bf1ea18055de90...@qq.com> > Content-Type: text/plain; charset="gb18030" > > Dear all, > There must be some easy way to do this that I'm overlooking: I want to > scan the audio from a microphone input and get the peak frequency. I know > how to use myriad of spectral analysis software and the spectroscope > object, but I don't see an obvious way to display the frequency with the > greatest amplitude in Max/msp. Seems like a trivial task. I must be going > about this the wrong way. > > > Looking forward to your reply, > All the best, > YL > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: <https://mail.music.vt.edu/mailman/private/sursound/ > attachments/20171024/a4632932/attachment.html> > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound > > WHEN REPLYING EDIT THE SUBJECT LINE > > ALSO EDIT THE MESSAGE BODY > > > ------------------------------ > > End of Sursound Digest, Vol 111, Issue 18 > ***************************************** > -- Ben Eyes 07913 730859 http://stockereyes.wordpress.com http://www.beneyes.co.uk http://www.quipmusic.co.uk http://www.thediamondsea.co.uk -------------- next part -------------- An HTML attachment was scrubbed... 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