You are right on EDGE and Safari on *PC platforms*. Firefox, Chrome, … are a 
different story. And there is more differences depending on which platform the 
browser is running (Windows, Android, iOS, MacOS, …). What I wanted to say is 
that you would need to be more specific for a statement on browser support (is 
always a combination of browser, OS, maybe even HW).

Nevertheless, I of course agree MPEG-H support on Browser/OS is not “very 
widespread”. However, it also offers features/compression which are much more 
advanced than what currently deployed codecs can do.

Ok, I see, thanks for clarifying. The statement below refers to DD (not DD+).

//Christof

From: Sursound <sursound-boun...@music.vt.edu> on behalf of Stefan Schreiber 
<st...@mail.telepac.pt>
Date: Saturday, 6. May 2023 at 00:41
To: Surround Sound discussion group <sursound@music.vt.edu>
Subject: Re: [Sursound] [Proposal] for HOA web-streaming-format
Short answer:

EAC-3 (DD+) is natively supported by Edge and all Safari browsers.

I  really was refering to this one...

AC-3 patents should have expired by now, but of course this codec is a
bit old. (And won’t support even 7.1, by the way. The highest channel
count would be 6.1, and the B channel would be matrixed into 5.1. If
my memory is correctly working. But probably yes... ;-)

Thanks,

Stefan

----- Mensagem de Fersch, Christof <christof.fer...@dolby.com> ---------

  Data: Fri, 5 May 2023 16:56:38 +0000

  De: "Fersch, Christof" <christof.fer...@dolby.com>

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

  Para: Surround Sound discussion group <sursound@music.vt.edu>

> Hi Stefan,
>
>
>
>  I you are interested in commercially using MPEG-H audio, you can
> easily license from VIA:
>
>  https://www.via-la.com/licensing/mpeg-h/
>
>
>
>  That is the easiest possible way and similar for the AAC-family.
>
>
>
>  On browser-support: There is also a browser plugin under the shared
> links. Which is a start. Obviously, there is no commercial
> implementation available in all browsers.
>
>
>
>  On “already available”: At least DD+ is not (maybe you meant AC-3,
> for which the situation may be different).
>
>
>
>  Best regards,
>
>  //Christof
>
>
>
>  From: Sursound <sursound-boun...@music.vt.edu> on behalf of Stefan
> Schreiber <st...@mail.telepac.pt>
>
>  Date: Wednesday, 3. May 2023 at 20:38
>
>  To: Surround Sound discussion group <sursound@music.vt.edu>
>
>  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 the browser AND OS support for
>
>  Mpeg-H 3DA is currently "stuck" at exactly 0%.
>
>
>
>  Programming your own "app" might run into license issues. (You don't
>
>  have such an issue with AAC or even DD+ codecs; which are "already
>
>  available" if you would chose to use them.)
>
>
>
>  I suppose the Mpeg-I Immersive Audio (which very probably would
>
>  include support for Mpeg-H 3DA "classic", in the same sense as HE-AAC
>
>  is a superset of AAC-LC) might have enormous potential for the
>
>  computer and gaming industry. (However, application is not exactly
>
>  "imminent". )
>
>
>
>  Best regards
>
>
>
>  Stefan
>
>> "Please also see
>>
>>
>>
>>
>> https://urldefense.com/v3/__https://github.com/ittiam-systems/libmpegh__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKWxraU-YS$<https://urldefense.com/v3/__https:/github.com/ittiam-systems/libmpegh__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKWxraU-YS$><https://urldefense.com/v3/__https:/github.com/ittiam-systems/libmpegh__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKWxraU-YS$%3chttps:/urldefense.com/v3/__https:/github.com/ittiam-systems/libmpegh__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKWxraU-YS$%3e>
>>
>>
>>
>>  and
>>
>>
>>
>>
>> https://urldefense.com/v3/__https://github.com/ittiam-systems/libmpeghe__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKW_jNaTZE$<https://urldefense.com/v3/__https:/github.com/ittiam-systems/libmpeghe__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKW_jNaTZE$><https://urldefense.com/v3/__https:/github.com/ittiam-systems/libmpeghe__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKW_jNaTZE$%3chttps:/urldefense.com/v3/__https:/github.com/ittiam-systems/libmpeghe__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKW_jNaTZE$%3e>
>>
>>
>>
>>  "
>>
>>
>>
>>  With all due respect:
>>
>>
>>
>>  I really like Mpeg-H and am following the Mpeg-I development, but
>>
>>  Mpeg 3DA is certainly not an open system.
>>
>>
>>
>>  Even if there is some open code.
>>
>>
>>
>>  So how do you currently license Mpeg-H 3DA?  (A good expert
>>
>>  question, probably...  ;-)
>>
>>
>>
>>  (I suppose I have to write to Fraunhofer IIS to treat that. Or will
>>
>>  you guys at Dolby "help" me to do this? ;-)
>>
>>
>>
>>  Best regards
>>
>>
>>
>>  Stefan
>>
>>
>>
>>  P.S.: Not to overlook that Mpeg-H 3DA Baseline doesn't even support
>>
>>  HOA, whereas the more complete version Mpeg 3DA LC does...
>>
>>
>>
>>  (Atmos doesn't seem to support HOA either. )
>>
>>
>>
>>  ----- Mensagem de Fersch, Christof <christof.fer...@dolby.com> ---------
>>
>>
>>
>>  Data: Wed, 3 May 2023 13:54:43 +0000
>>
>>
>>
>>  De: "Fersch, Christof" <christof.fer...@dolby.com>
>>
>>
>>
>>  Assunto: Re: [Sursound] [Proposal] for HOA web-streaming-format
>>
>>
>>
>>  Para: Surround Sound discussion group <sursound@music.vt.edu>
>>
>>> Please also see
>>>
>>>
>>>
>>>
>>> https://urldefense.com/v3/__https://github.com/ittiam-systems/libmpegh__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKWxraU-YS$<https://urldefense.com/v3/__https:/github.com/ittiam-systems/libmpegh__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKWxraU-YS$><https://urldefense.com/v3/__https:/github.com/ittiam-systems/libmpegh__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKWxraU-YS$%3chttps:/urldefense.com/v3/__https:/github.com/ittiam-systems/libmpegh__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKWxraU-YS$%3e>
>>>
>>>
>>>
>>>  and
>>>
>>>
>>>
>>>
>>> https://urldefense.com/v3/__https://github.com/ittiam-systems/libmpeghe__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKW_jNaTZE$<https://urldefense.com/v3/__https:/github.com/ittiam-systems/libmpeghe__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKW_jNaTZE$><https://urldefense.com/v3/__https:/github.com/ittiam-systems/libmpeghe__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKW_jNaTZE$%3chttps:/urldefense.com/v3/__https:/github.com/ittiam-systems/libmpeghe__;!!HOHtwYw!FT8U9L-leOGRdV2eq47b7qV69FDM-7gqiT0R31XGsvIrpu2HfqhY0IEHyQJIS0Baa4N-0Wq5OGT7hGlKW_jNaTZE$%3e>
>>>
>>>
>>>
>>>  for freely available MPEG-H decoders and encoders, including
>>>
>>>  web-plugin for the decoder.
>>>
>>>
>>>
>>>  //Christof
>>>
>>>
>>>
>>>  From: Sursound <sursound-boun...@music.vt.edu> on behalf of Aaron
>>>
>>>  Heller <ajhel...@gmail.com>
>>>
>>>
>>>
>>>  Date: Tuesday, 2. May 2023 at 22:24
>>>
>>>
>>>
>>>  To: Surround Sound discussion group <sursound@music.vt.edu>
>>>
>>>
>>>
>>>  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$<https://urldefense.com/v3/__https:/en.wikipedia.org/wiki/MPEG-H_3D_Audio__;!!HOHtwYw!AsC1o9UYxCMx7E3ZLD9v9t266ETu5nwqqvY8uNBqnP10TNlsxQJQVYPbx3OZC6_wdvUrM7AjMSotFaYkwCSiLw$><https://urldefense.com/v3/__https:/en.wikipedia.org/wiki/MPEG-H_3D_Audio__;!!HOHtwYw!AsC1o9UYxCMx7E3ZLD9v9t266ETu5nwqqvY8uNBqnP10TNlsxQJQVYPbx3OZC6_wdvUrM7AjMSotFaYkwCSiLw$%3chttps:/urldefense.com/v3/__https:/en.wikipedia.org/wiki/MPEG-H_3D_Audio__;!!HOHtwYw!AsC1o9UYxCMx7E3ZLD9v9t266ETu5nwqqvY8uNBqnP10TNlsxQJQVYPbx3OZC6_wdvUrM7AjMSotFaYkwCSiLw$%3e><https://urldefense.com/v3/__https:/en.wikipedia.org/wiki/MPEG-H_3D_Audio__;!!HOHtwYw!AsC1o9UYxCMx7E3ZLD9v9t266ETu5nwqqvY8uNBqnP10TNlsxQJQVYPbx3OZC6_wdvUrM7AjMSotFaYkwCSiLw$%3chttps:/urldefense.com/v3/__https:/en.wikipedia.org/wiki/MPEG-H_3D_Audio__;!!HOHtwYw!AsC1o9UYxCMx7E3ZLD9v9t266ETu5nwqqvY8uNBqnP10TNlsxQJQVYPbx3OZC6_wdvUrM7AjMSotFaYkwCSiLw$%3e%3chttps:/urldefense.com/v3/__https:/en.wikipedia.org/wiki/MPEG-H_3D_Audio__;!!HOHtwYw!AsC1o9UYxCMx7E3ZLD9v9t266ETu5nwqqvY8uNBqnP10TNlsxQJQVYPbx3OZC6_wdvUrM7AjMSotFaYkwCSiLw$%3chttps:/urldefense.com/v3/__https:/en.wikipedia.org/wiki/MPEG-H_3D_Audio__;!!HOHtwYw!AsC1o9UYxCMx7E3ZLD9v9t266ETu5nwqqvY8uNBqnP10TNlsxQJQVYPbx3OZC6_wdvUrM7AjMSotFaYkwCSiLw$%3e%3e>
>>>
>>>
>>>
>>>  and Google's Draft IETF proposal
>
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