I think you are. So browsers just downmix 5.1 or 7.1 to stereo ? And treat any other multichannel files the same ? And android chrome can actually play 5.1 without down mixing ? That's odd because phones are not my first choice for playing multichannel audio. It's a mess all right .
On Friday, 23 October 2015, Marc Lavallée <[email protected]> wrote: > Hi Augustime. > > I used Ambisonics as an example (or a "use case"); all surround formats > requires more than 2 channels (appart from UHJ). The problem is that > Firefox (and other browsers) don't support more than 2 channels. > Sometimes the problem is on the device or the operating system; > although Chrome supports more than 2 channels, on the Android OS the > number of channels available to Chrome is limited to 2. > > Worst: most audio API and codecs *assume* that "multichannel" means > something like "5.1" or "7.1", and apply default rules. Audio API (and > codecs too) should just expose their channels in the order of the > audio stream, and not try to decide what is the surround scheme by > looking at the number of channels. > > There's a reason why multichannel audio is so difficult; in order to > help programmers, most audio API are making things more confusing... > > I guess I'm not really answering your question... > -- > Marc > > On Fri, 23 Oct 2015 21:32:14 +0100 > Augustine Leudar <[email protected] <javascript:;>> wrote: > > > What about other forms of surround sound that are not ambisonics ? > > > > On Friday, 23 October 2015, Marc Lavallée <[email protected] > <javascript:;>> wrote: > > > > > The problem is that Mozilla (and maybe others) just need to fix (or > > > better document) their version of the Web Audio API. Then it'd be > > > possible to decode ambisonic at any order. Chrome does a better job, > > > but it's (hopefully) a temporary monopoly, since Mozilla is > > > organising the Web Audio Conference. > > > -- > > > Marc > > > > > > On Fri, 23 Oct 2015 09:37:06 +0100 > > > Dave Malham <[email protected] <javascript:;> <javascript:;>> > wrote: > > > > > > > I think the problem is the fact that at least one of the decoders > > > > needed is proprietary so costs money to include which makes it > > > > difficult for free browsers, if not backed by mega corporations. > > > > Of course, I could well be wrong (again) but it is a shame when > > > > Mozilla loses it's position as the most standard compliant > > > > browser, especially when it impacts audio. > > > > > > > > Dave > > > > > > > > > > > > On 22 October 2015 at 13:44, David Pickett <[email protected] > <javascript:;> > > > <javascript:;>> wrote: > > > > > > > > > Bruce Wiggins' webpage on browsers that play surround recordings > > > > > using the HTML5 <audio> tag is 3.5 years old. > > > > > > > > > > http://www.brucewiggins.co.uk/?p=265 > > > > > > > > > > I dont use IE, and Firefox doesnt play ball at all on the PC, > > > > > so I use Chrome for multi-channel aac files. > > > > > > > > > > http://www.fugato.com/pickett/surround-tests.shtml > > > > > > > > > > But it is disappointing to think that no other browsers have > > > > > caught up in the last three years. > > > > > > > > > > Has anyone tested any others with multi-channel files? > > > > > > > > > > David > > > > > > > > > > _______________________________________________ > > > > > Sursound mailing list > > > > > [email protected] <javascript:;> <javascript:;> > > > > > https://mail.music.vt.edu/mailman/listinfo/sursound - > > > > > unsubscribe here, edit account or options, view archives and so > > > > > on. > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > Sursound mailing list > > > [email protected] <javascript:;> <javascript:;> > > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe > > > here, edit account or options, view archives and so on. > > > > > > > > > _______________________________________________ > Sursound mailing list > [email protected] <javascript:;> > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > -- www.augustineleudar.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20151023/bf78fa6e/attachment.html> _______________________________________________ Sursound mailing list [email protected] https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
