<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=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Wingdings;
panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
font-size:10.5pt;
font-family:"Calibri","sans-serif";}
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.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
{mso-style-priority:34;
margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
text-indent:21.0pt;
font-size:10.5pt;
font-family:"Calibri","sans-serif";}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
p.Default, li.Default, div.Default
{mso-style-name:Default;
margin:0cm;
margin-bottom:.0001pt;
text-autospace:none;
font-size:12.0pt;
font-family:"Arial","sans-serif";
color:black;}
.MsoChpDefault
{mso-style-type:export-only;}
/* Page Definitions */
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:576475960;
mso-list-type:hybrid;
mso-list-template-ids:-248634212 1989981030 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
{mso-level-start-at:3;
mso-level-number-format:bullet;
mso-level-text:-;
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:18.0pt;
text-indent:-18.0pt;
font-family:"Calibri","sans-serif";
mso-fareast-font-family:SimSun;}
@list l1
{mso-list-id:812261040;
mso-list-type:hybrid;
mso-list-template-ids:429177928 -365670516 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
@list l1:level1
{mso-level-text:"\(%1\)";
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-18.0pt;}
@list l2
{mso-list-id:1663192100;
mso-list-type:hybrid;
mso-list-template-ids:1012186526 2135227492 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l2:level1
{mso-level-start-at:2;
mso-level-number-format:bullet;
mso-level-text:-;
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:18.0pt;
text-indent:-18.0pt;
font-family:"Calibri","sans-serif";
mso-fareast-font-family:SimSun;}
ol
{margin-bottom:0cm;}
ul
{margin-bottom:0cm;}
--></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=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>I wonder whether module-echo-cancel can support the following features, besides echo reduction during a call:<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span lang=EN-US><o:p> </o:p></span></p><p class=MsoListParagraph style='margin-left:36.0pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>(1)<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>Reduce the echo of myself during audio recording in a room<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span lang=EN-US><o:p> </o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span lang=EN-US>(2) Reduce the background noise<o:p></o:p></span></p><p class=MsoNormal style='text-indent:28.45pt'><span lang=EN-US>I saw module-echo-cancel has an argument “denoise” but by default it’s disabled. Does it work?<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>How about the effect if module-echo-cancel can support these features? Could someone provide some evaluation data? Great thanks!<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>-Mengdong<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:18.0pt;text-indent:0cm'><span lang=EN-US><o:p> </o:p></span></p></div></body></html>