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<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>I have a simple audio recording pipeline as below. To
my surprise it consumes CPU as high as a 640x480 video recording. Could it be
optimized to use CPU less?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>gst-launch alsasrc ! audio/x-raw-int, rate=8000,
width=16, depth=16, channel=1 ! queue ! audioconvert ! vorbisenc ! oggmux !
filesink location=test-audio.ogg<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>on a netbook with ATOM 1.6GHZ, ~90 %CPU.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Thanks in advance.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:20.1pt'><b><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue;font-weight:bold'>ZHAO,
Halley (Aihua)</span></font></b><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:20.0pt'><font size=2 color=blue face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:blue'>Email: halley.zhao<a
href="BLOCKED::mailto:aihua.zhao@intel.com"
title="mailto:aihua.zhao@intel.com mailto:hui.xue@intel.com">@intel.com</a></span></font><font
color=blue><span lang=EN-US style='color:blue'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:16.0pt'><font size=1 color=blue face=Arial><span lang=DA
style='font-size:8.0pt;font-family:Arial;color:blue'>Tel: +86(21)61166476</span></font><span
lang=DA><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:16.0pt'><font size=1 color=blue face=Arial><span lang=DA
style='font-size:8.0pt;font-family:Arial;color:blue'>iNet: 8821-6476</span></font><span
lang=DA><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:20.0pt'><font size=2 color="#3366ff" face=Arial><span lang=DA
style='font-size:10.0pt;font-family:Arial;color:#3366FF'>SSG/OTC/Moblin 3W038
Pole: F4</span></font><span lang=EN-US><o:p></o:p></span></p>
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<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US><o:p> </o:p></span></font></p>
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