Re: [Sursound] [Proposal] for HOA web-streaming-format

-family, including LC, HE-AACv1 and v2 (hopefully soon xHE-AAC also). //Christof From: Sursound on behalf of Stefan Schreiber Date: Tuesday, 9. May 2023 at 18:39 To: Surround Sound discussion group Subject: Re: [Sursound] [Proposal] for HOA web-streaming-format Cristof, I actually agree with you

Re: [Sursound] [Proposal] for HOA web-streaming-format

- Mensagem de Fersch, Christof - Data: Tue, 9 May 2023 16:09:43 + De: "Fersch, Christof" Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format Para: Surround Sound discussion group Hi guys, Thanks for the investigation! “Android does not sup

Re: [Sursound] [Proposal] for HOA web-streaming-format

rsound] [Proposal] for HOA web-streaming-format Para: Surround Sound discussion group > Hello, > > > > I use Edge on Android and Windows machines. This is what I get on my > > Android device (latest Samsung Galaxy S23 Ultra): > > > > Audio codecs > >

Re: [Sursound] [Proposal] for HOA web-streaming-format

, Android does natively support hevc (video codec), though restricted to level 4.1 (minimum requirement). Best, Stefan - Mensagem de Hector Centeno - Data: Tue, 9 May 2023 08:42:07 -0400 De: Hector Centeno Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format

Re: [Sursound] [Proposal] for HOA web-streaming-format

desktop browser for Windows 10/11.) >> >> Best, >> >> Stefan >> >> - - - - >> >> > I think that mobile Safari (so the Safari version for iOS and >> > iPadOS) should also support DD+ (since iOS 14/iPadOS 14 probably), >> > because Apple Sp

Re: [Sursound] [Proposal] for HOA web-streaming-format

14 probably), > > because Apple Spatial Audio supports DD+/Atmos. > > > > I will try to test this. ;-) > > > > Otherwise, agreed. > > > > Best, > > > > Stefan > > > > - Mensagem de Fersch, Christof - > > > > Data:

Re: [Sursound] [Proposal] for HOA web-streaming-format

-- Data: Mon, 8 May 2023 06:01:56 + De: "Fersch, Christof" Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format Para: Surround Sound discussion group You are right on EDGE and Safari on *PC platforms*. Firefox, Chrome, … are a different story. And there i

Re: [Sursound] [Proposal] for HOA web-streaming-format

- Data: Mon, 8 May 2023 06:01:56 + De: "Fersch, Christof" Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format Para: Surround Sound discussion group You are right on EDGE and Safari on *PC platforms*. Firefox, Chrome, … are a different story. And there is more d

Re: [Sursound] [Proposal] for HOA web-streaming-format

for clarifying. The statement below refers to DD (not DD+). //Christof From: Sursound on behalf of Stefan Schreiber Date: Saturday, 6. May 2023 at 00:41 To: Surround Sound discussion group Subject: Re: [Sursound] [Proposal] for HOA web-streaming-format Short answer: EAC-3 (DD+) is natively

Re: [Sursound] [Proposal] for HOA web-streaming-format

channel would be matrixed into 5.1. If my memory is correctly working. But probably yes... ;-) Thanks, Stefan - Mensagem de Fersch, Christof - Data: Fri, 5 May 2023 16:56:38 + De: "Fersch, Christof" Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-for

Re: [Sursound] [Proposal] for HOA web-streaming-format

at 20:38 To: Surround Sound discussion group Subject: Re: [Sursound] [Proposal] for HOA web-streaming-format Ammendment: I see what you say. However, if we are talking about some solution to code, transport, decode and render HOA within browsers, Mpeg-H currently just can't help. (Because

Re: [Sursound] [Proposal] for HOA web-streaming-format

dards, on > > optical discs, Webaudio output ordering and nearly everywhere. > > > > I would recommend not to make up some “programmer standards” without > > studying what is already standardized anyway. > > > > Best, > > > > Stefan > > > > P.

Re: [Sursound] [Proposal] for HOA web-streaming-format

There's also HOAST: https://hoast.iem.at/play/hoastdemo3_ambi_o4 https://www.researchgate.net/publication/341940433_HOAST_A_Higher-Order_Ambisonics_Streaming_Platform https://hoast.iem.at/ https://github.com/thomasdeppisch/hoast360 http://www.aes.org/e-lib/browse.cfm?elib=20828 I don't know if

Re: [Sursound] [Proposal] for HOA web-streaming-format

Mon, 1 May 2023 14:27:39 -0400 De: Marc Lavallée Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format Para: Thorsten Michels Cc: Surround Sound discussion group Hi Thorsten, Your proposed mapping could be considered a subset of https://www.itu.int/rec/R-REC-BS.2051-3-202205-I/ Fa

Re: [Sursound] [Proposal] for HOA web-streaming-format

sn't seem to support HOA either. ) - Mensagem de Fersch, Christof - Data: Wed, 3 May 2023 13:54:43 +0000 De: "Fersch, Christof" Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format Para: Surround Sound discussion group Please also see https://github.com/ittia

Re: [Sursound] [Proposal] for HOA web-streaming-format

pport HOA, whereas the more complete version Mpeg 3DA LC does... (Atmos doesn't seem to support HOA either. ) - Mensagem de Fersch, Christof - Data: Wed, 3 May 2023 13:54:43 + De: "Fersch, Christof" Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format P

Re: [Sursound] [Proposal] for HOA web-streaming-format

First of all, thank you for publishing Open Access! Reading it right now. *Pan Athen* SoundFellas , *MediaFlake Ltd * Digital Media Services, Content, and Tools On Wed, May 3, 2023 at 11:33 AM Tomasz Rudzki wrote: > > > > and Google's Draft

Re: [Sursound] [Proposal] for HOA web-streaming-format

To: Surround Sound discussion group Subject: Re: [Sursound] [Proposal] for HOA web-streaming-format There's MPEG-H 3D Audio https://urldefense.com/v3/__https://en.wikipedia.org/wiki/MPEG-H_3D_Audio__;!!HOHtwYw!AsC1o9UYxCMx7E3ZLD9v9t266ETu5nwqqvY8uNBqnP10TNlsxQJQVYPbx3OZC6_wdvUrM7AjMSotFaYkwCSiLw

Re: [Sursound] [Proposal] for HOA web-streaming-format

> > and Google's Draft IETF proposal >https://datatracker.ietf.org/doc/rfc8486/ Here is our latest study evaluating Opus for first, third and fifth-order Ambisonics rendered binaurally using Google's Opus patch (Channel Mapping Family 3). https://doi.org/10.17743/jaes.2022.0068 Best, TR

Re: [Sursound] [Proposal] for HOA web-streaming-format

There's MPEG-H 3D Audio https://en.wikipedia.org/wiki/MPEG-H_3D_Audio and Google's Draft IETF proposal https://datatracker.ietf.org/doc/rfc8486/ Aaron Heller Menlo Park, CA US -- next part -- An HTML attachment was scrubbed... URL:

Re: [Sursound] [Proposal] for HOA web-streaming-format

est, Stefan P.S.: It might make more sense to discuss this when things are published in an orderly way. (Because this should happen quite soonly.) - Mensagem de Bo-Erik Sandholm - Data: Tue, 2 May 2023 17:06:25 +0200 De: Bo-Erik Sandholm Assunto: Re: [Sursound] [Proposal]

Re: [Sursound] [Proposal] for HOA web-streaming-format

.: The proposed order would be “old Dolby cinema order”, extended in some pretty arbitrary way.  - Mensagem de Marc Lavallée - Data: Mon, 1 May 2023 14:27:39 -0400 De: Marc Lavallée Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format Para: Thorsten Michels Cc: Surround

Re: [Sursound] [Proposal] for HOA web-streaming-format

That's the only comic strip that comes to mind when I talk about formats, hehehe :-D But, the thing is that, this is already invented, before object-based audio ;-) So, the object-based audio is the extra format in our case. *Pan Athen* SoundFellas , *MediaFlake Ltd

Re: [Sursound] [Proposal] for HOA web-streaming-format

If interested you can take quick look at what can be done with a modified version of omnitone for playback in a browser with different encodings. Headtracking is possible. The decoder setup for each file decoding is controlled by a json file. I apologize in advance for the left right error ( to

Re: [Sursound] [Proposal] for HOA web-streaming-format

I agree that ATMOS delivery is more efficient, (stream size wise) but as mentioned, it isn't great for anything other than theatres, despite what Dolby and the rest of the bandwagon would like you to believe. There is no below after all. For non visual ATMOS delivery I purposely make separate

Re: [Sursound] [Proposal] for HOA web-streaming-format

* Panos Kouvelis [2023-05-01 23:50]: [...] > My dream format is HOA plus objects and virtual acoustics calculated and > rendered on the decoder. Probably an .exe file produced in Unreal Engine > with a binary that can run into various platforms. :-) https://xkcd.com/927/ ;) P

Re: [Sursound] [Proposal] for HOA web-streaming-format

I totally agree with your comments Fons. I would like to add that I would defend Ambisonics against Object-Based formats, because the current implementation makes it very difficult to manage the dynamics of groups as a whole, making them a bad format for music. Also, again,m in their current

Re: [Sursound] [Proposal] for HOA web-streaming-format

I'd like to urge anyone thinking about web streaming formats to also consider how such a format could be used within the existing RSS-based podcast delivery infrastructure. If there were an open format that had a reasonably good balance of file size/channel number/spatial resolution, and one

Re: [Sursound] [Proposal] for HOA web-streaming-format

On Mon, May 01, 2023 at 06:03:09PM +, Thorsten Michels wrote: > If a lower order is streamed, the other channels will be left empty, with > digital "0", meaning absolutely NO signal. So the decoders can recognize it > and provide the correct decoding. That is in-band signalling, and a bad

Re: [Sursound] [Proposal] for HOA web-streaming-format

Hi Thorsten, Your proposed mapping could be considered a subset of https://www.itu.int/rec/R-REC-BS.2051-3-202205-I/ Favored loudspeaker layouts for Ambisonics reproduction use the same angular increment (in each horizontal ring), but it's also possible to decode to all loudspeakers of an

[Sursound] [Proposal] for HOA web-streaming-format

Hi all! I was wondering too, how to stream a HOA audio stream over the web  A N D  make it easily consumable. This sounds like a need for a new "standard" to me. If it's not there yet, we have to define and build it. Like the nice people did when they defined AmbiX. I am not a coder, but I