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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Has anyone had any experience with applying Speex on
cellphone audio? If so, I have a few questions:<o:p></o:p></span></font></p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>How has Speex performed with
the audio, e.g., amount of loss/intelligibility?<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Since cellphones use the
typical POTS sampling of 8Kbps, would it help to use a multiple (16,32Kbps)
or fractional (12,18,24Kbps) resampling?<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>At what sampling rate do you
think a resampling of 8Kbps would result in diminishing returns?<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>How does the Speex noise
cancellation adapt to cellphone’s pops and static? Is there a
way to tune it dynamically?<o:p></o:p></span></font></li>
<li class=MsoNormal style='mso-list:l0 level1 lfo1'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>(More generally) Can the codec
tuned up or down dynamically based on the receiver’s needs (apart
from using VBR) without restarting the codec?<o:p></o:p></span></font></li>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-Sean Walton<o:p></o:p></span></font></p>
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