Jean-Marc Valin presenting “<a href="https://en.wikipedia.org/wiki/Opus_(codec)" class="extiw" title="w:Opus (codec)">Opus</a>, the Swiss Army Knife of Audio Codecs” on <a href="https://en.wikipedia.org/wiki/linux.conf.au" class="extiw" title="w:linux.conf.au">linux.conf.au</a> 2012 in Ballarat
<ul><li><a href="//commons.wikimedia.org/wiki/File:JMValin_presenting_Opus_at_LCA2012_2.jpg" title="File:JMValin presenting Opus at LCA2012 2.jpg">JMValin_presenting_Opus_at_LCA2012_2.jpg</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/people/23533984@N02">Brett James</a> from Australia</li>
<li>derivative work: <a href="//commons.wikimedia.org/w/index.php?title=User:Flugaal&amp;action=edit&amp;redlink=1" class="new" title="User:Flugaal (page does not exist)">Flugaal</a></li></ul>
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