<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="Generator" content="Microsoft Word 14 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Ballongtext Char";
margin:0cm;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";
mso-fareast-language:EN-US;}
span.E-postmall17
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.E-postmall18
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.E-postmall19
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.BallongtextChar
{mso-style-name:"Ballongtext Char";
mso-style-priority:99;
mso-style-link:Ballongtext;
font-family:"Tahoma","sans-serif";
mso-fareast-language:EN-US;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="SV" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">We measure the absolute timing of encode/decode for a OPUS mode, this is then transferred to MIPS using the CPU frequency and MIPS/Hz which comes from corresponding ARM architecture.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">We used default for all OPUS settings apart from complexity settings.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">These figures are for the fixed point version, we have tested floating point as well which had slightly higher figures on same platform.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">BR/Olle<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:SV">Från:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:SV"> Hoene [mailto:hoene@uni-tuebingen.de]
<br>
<b>Skickat:</b> den 15 januari 2013 11:47<br>
<b>Till:</b> Olle Frimanson; opus@xiph.org<br>
<b>Ämne:</b> AW: [opus] Compexity vs Quality<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">We will make same soon (Feb).
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">I would be happy to understand how you did your perform measurement and which parameters you used.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Christian<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="DE" style="font-family:"Courier New";color:#1F497D;mso-fareast-language:DE">--<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Courier New";color:#1F497D;mso-fareast-language:DE">Universität Tübingen, Sand 13, 72076 Tübingen, Germany<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Courier New";color:#1F497D;mso-fareast-language:DE">Tel +49 7071 2970532, Fax +49 7071 5220<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Courier New";color:#1F497D;mso-fareast-language:DE"><a href="http://kn.inf.uni-tuebingen.de/staff/hoene.html">http://kn.inf.uni-tuebingen.de/staff/hoene.html</a><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span lang="DE" style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE">Von:</span></b><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE">
<a href="mailto:opus-bounces@xiph.org">opus-bounces@xiph.org</a> [<a href="mailto:opus-bounces@xiph.org">mailto:opus-bounces@xiph.org</a>]
<b>Im Auftrag von </b>Olle Frimanson<br>
<b>Gesendet:</b> Dienstag, 15. Januar 2013 08:15<br>
<b>An:</b> <a href="mailto:opus@xiph.org">opus@xiph.org</a><br>
<b>Betreff:</b> [opus] Compexity vs Quality<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">The complexity settings in Opus affects the CPU load a lot, below are some preliminary figures (MIPS) we got on Samsung Galaxy S2 1.2 (1.2 GHz ARM7)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">8KHz codec encode/decode - OPUS/8000 C0 56.51<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">8KHz codec encode/decode - OPUS/8000 C5 106.06<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">8KHz codec encode/decode - OPUS/8000 C10 156.55<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">16KHz codec encode/decode - OPUS/16000 C0 99.19<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">16KHz codec encode/decode - OPUS/16000 C5 196.00<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">16KHz codec encode/decode - OPUS/16000 C10 293.12<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">My question is if anybody have “real” testing on how complexity setting impact speech quality?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">BR/Olle<o:p></o:p></span></p>
<div class="MsoNormal" align="center" style="text-align:center"><span lang="DE" style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:SV">
<hr size="1" width="100%" noshade="" style="color:#A0A0A0" align="center">
</span></div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="DE" style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:SV">No virus found in this message.<br>
Checked by AVG - <a href="http://www.avg.com">www.avg.com</a><br>
Version: 2012.0.2221 / Virus Database: 2638/5533 - Release Date: 01/14/13<o:p></o:p></span></p>
</div>
</body>
</html>