Ammendment:
“EAC-3 (DD+) is natively supported by Edge and all Safari browsers.”
I did a fast html5test (.com) on my iPad running on some very old iOS
13.x (for some stupid reason I can’t update my AirPad Air 2 to version
15.x, which would be the last supported one; need probably to reset my
Apple ID to “recover” my lost password 🤭), and even in this outdated
configuration:
DD+ is definitively supported by mobile Safari, see result list (here
posted in text format, sursound might not like htrml5 text...I hope
there won't be any "optical breakdown"...):
Audio codecs
PCM audio support
No
MP3 support
Yes ✔
AAC support
Yes ✔
Dolby Digital support
Yes ✔
Dolby Digital Plus support
Yes ✔
Ogg Vorbis support
No ✘
Ogg Opus support
No ✘
WebM with Vorbis support
No ✘
WebM with Opus support
No ✘
I don't think that iOS/iPadOS 16-x would show different results, by the way.
As there is no Safari adaptation for Windows, Linux etc., my statement
that any (more or less recent) Safati browser would support DD+ should
be correct.
Edge: Supports all tested codecs (above) on Win10. (I don't know which
codecs the Edge browsers would support or better "would not support"
if running on other operating systems than Windows, but you can always
test via html5test.com)
(Maybe this last question is a bit academic anyway... Edge is in the
very most cases used as 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 Spatial Audio supports DD+/Atmos.
I will try to test this. ;-)
Otherwise, agreed.
Best,
Stefan
----- Mensagem de Fersch, Christof <christof.fer...@dolby.com> ---------
Data: Mon, 8 May 2023 06:01:56 +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>
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
...
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