Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-23 Thread Jörn Nettingsmeier
On 2/21/19 2:18 AM, Aaron Heller wrote: If it is any help, the script I wrote to make YouTube videos from AMB files is here: https://bitbucket.org/ambidecodertoolbox/amb2yt/src Some samples that might help you reverse engineer the format https://youtu.be/eY9DMn8pgGA

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-20 Thread Aaron Heller
If it is any help, the script I wrote to make YouTube videos from AMB files is here: https://bitbucket.org/ambidecodertoolbox/amb2yt/src Some samples that might help you reverse engineer the format https://youtu.be/eY9DMn8pgGA https://youtu.be/RC4ptd9B-NA You could make a file with

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Peter Lennox
University of Derby, Kedleston Road, Derby, DE22 1GB, UK From: Sursound on behalf of David Pickett Sent: 18 February 2019 19:07:46 To: Surround Sound discussion group Subject: Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread David Pickett
Why not make up a signal from six totally different mono wavefiles and see where they land after decoding? David At 17:33 18-02-19, you wrote: Content-Transfer-Encoding: base646 channel format on YT: https://github.com/google/spatial-media/blob/master/docs/spatial-audio-rfc.md So channel

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Steven Boardman
The (head locked) stereo track is for non diagetic content. Usually music but also VO and 'in the head' fx. Facebook has these extra tracks as well, added to 2nd order. I would personally prefer them dedicated to increase the order. Unfortunately alot of directors don't get it, and don't always

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Marc Lavallée
Le 2019-02-18 à 12:16 p.m., Stefan Schreiber a écrit : (intertangling B format and the non-diegetic stereo track) I have sometimes the impression that the typical Google programmer does things in a way he/she wants... Stefan LOL! "Sometimes", applied to a GAFAM, is an aphorism... :-) But

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Stefan Schreiber
Citando Marc Lavallée : Le 2019-02-18 à 11:33 a.m., Stefan Schreiber a écrit : 6 channel format on YT: https://github.com/google/spatial-media/blob/master/docs/spatial-audio-rfc.md So channel ordering (normally) is W, Y, Z, X, L, R. It is possible to change the channel layout,

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Marc Lavallée
Le 2019-02-18 à 11:33 a.m., Stefan Schreiber a écrit : 6 channel format on YT: https://github.com/google/spatial-media/blob/master/docs/spatial-audio-rfc.md So channel ordering (normally) is W, Y, Z, X, L, R. It is possible to change the channel layout, which might be a problematic

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Stefan Schreiber
6 channel format on YT: https://github.com/google/spatial-media/blob/master/docs/spatial-audio-rfc.md So channel ordering (normally) is W, Y, Z, X, L, R.  It is possible to change the channel layout, which might be a problematic feature... “For example, a channel layout of 4, 5, 0, 1, 2, 3 

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Marc Lavallée
Sean, You can use the youtube-dl script (https://rg3.github.io/youtube-dl/) to download only the appropriate audio stream. Here's how I was able to use it. First I inspected the available formats: youtube-dl -F "https://www.youtube.com/watch?v=bKV1IS-ATmQ; I identified 3 formats providing

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread florian.camerer
rsound im Auftrag von Peter Lennox Gesendet: Montag, 18. Februar 2019 12:14 An: Surround Sound discussion group Betreff: Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder? Is it possible to simply transcode back to B format, then re- decode it locall

Re: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Peter Lennox
To: sursound@music.vt.edu Subject: [Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder? Hey everyone, I'm hoping someone may be able to provide some information to me on this subject. I want to bypass youtube/facebook360 Ambisonics decoding and stream directly

[Sursound] Anyone ever tried to bypass youtube/facebook360 player Ambisonics decoder?

2019-02-18 Thread Sean Devonport
Hey everyone, I'm hoping someone may be able to provide some information to me on this subject. I want to bypass youtube/facebook360 Ambisonics decoding and stream directly to my Ambisonic decoder feeding multiple loudspeakers. Does anyone have any bright ideas to get the raw encoded Ambisonic