Etienne -

I can play back stereo from your player in firefox3 and Safari but not 5.1 - my 5.1 box doesnt see dolby digital just stereo. Is there any way of telling which
feed my browser accesses?

mick
On 29 Nov 2011, at 23:51, etienne deleflie wrote:

Hi Fabio,

Worked fine with Safari and Mac OSX.
I tried using jack. It immediately showed the 6 channel web process in the
routing window!
Also without jack it directly played back.

Could you give some background on the HTML5 implementation or on how you
realized this?


its simple. One of HTML5's advantages is that it is the browser that
supplies the media players. This means less need for 3rd party media
players like Flash / Quicktime / VLC etc. That means less barriers to entry .. which means there is a growing chance that more people will 'just hear' 5.1 coming out of their connected speakers (if they have them connected to
a 5.1 card).

Here is what the HTML5 code looks like (<audio> is an HTML5 tag):

<audio controls="controls">
  <source src="someAACFile.m4a"    type="audio/mp4" />
  <source src="someVorbisFile.ogg" type="audio/ogg" />
  <source src="someAC3File.ac3"    type="audio/ac3" />

Looks like your browser does not support HTML 5.
Non HTML5 code would go here. Perhaps a quicktime plugin for the old
browsers.

</audio>

The browser chooses whichever one it can play, and supplies the media
player. And that seems to be:

IE9 + : AAC
Safari: AAC
Chrome: AAC / Vorbis
Firefox 8+: none of them, but if you have VLC installed it will have a go
at OGG and perhaps AC3 opened in VLC.

It is Firefox that fails us here. Firefox can play Vorbis files, but not
multichannel ones.

Etienne



Regards

Fabio

Am 27.11.2011 um 05:08 schrieb etienne deleflie:

I've been meaning to try out HTML5's capabilities for a while, now seems
a
good time.

http://soundofspace.com/static/test_html5.html

This page hosts an (ambisonicaly decoded) 5.1 file in AAC and AC3 ....
using HTML5 the browser should automatically choose the one it can
support.

InternetExplorer 9 supports AAC, so does Safari and so does Chrome. So
that
covers around 50% of browsers. BUT ... it also covers the two main OSes.

Firefox is the other 50% ... and that means Ogg ... not sure if firefox
supports AC3 but I dont think it does.

The only question is whether or not the Browser can successfully stream
the
5.1 channels to the sound card connected to multiple speakers.

... any reports of success or failure would be appreciated.

Etienne
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