<br><br><div class="gmail_quote">2010/10/14 Danny Nicholas <span dir="ltr"><<a href="mailto:danny@debsinc.com">danny@debsinc.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p class="MsoNormal"><b><font size="2" face="Tahoma"><span style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font size="2" face="Tahoma"><span style="font-size: 10pt; font-family: Tahoma;"> <a href="mailto:asterisk-users-bounces@lists.digium.com" target="_blank">asterisk-users-bounces@lists.digium.com</a>
[mailto:<a href="mailto:asterisk-users-bounces@lists.digium.com" target="_blank">asterisk-users-bounces@lists.digium.com</a>] <b><span style="font-weight: bold;">On Behalf Of </span></b>Olivier<br>
<b><span style="font-weight: bold;">Sent:</span></b> Thursday, October 14, 2010
10:43 AM<br>
<b><span style="font-weight: bold;">To:</span></b> Asterisk
Users Mailing List - Non-Commercial Discussion<br>
<b><span style="font-weight: bold;">Subject:</span></b> [asterisk-users] Explain
"core show translation"</span></font></p>
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<p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size: 12pt;">Hi,<br>
<br>
I've read in <a href="http://www.voip-info.org/wiki/view/Asterisk+codecs" target="_blank">http://www.voip-info.org/wiki/view/Asterisk+codecs</a>
but I still have questions about "core show translation".<br>
<br>
How are values replied by "core show translation" computed in the the
first place ?<br>
I've got 2 machines using a 3GHz Intel CPU : 1 is a Xeon, 1 is a Pentium 4
(gathered with cat /proc/cpuinfo)<br>
<br>
The Xeon machine is showing, for instance:<br>
gsm<br>
ulaw - 1601 <br>
<br>
The other shows:<br>
gsm<br>
ulaw - 2 <br>
<br>
Why are these values so different ?<br>
Is it correct to say "if "core show translation" is showing a 4
digits value in its matrix, then the translation path between corresponding
codecs is unusable.<br>
<br>
Regards</span></font></p>
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</div></div><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy;">Perhaps the Xeon machine needs some
optimization since a “ulaw-to-gsm” translation take 1.6 seconds for
1 second of data as opposed to .002 seconds on the P4 machine.</span></font></p></div></div></blockquote><div><br>Where this data comes from in the first place ?<br>Is it computed each time <font size="3" face="Times New Roman"><span style="font-size: 12pt;">"core show translation" is typed ?</span></font><br>
<br>What does "core show translation recalc 60" add to <font size="3" face="Times New Roman"><span style="font-size: 12pt;">"core show translation"</span></font> ?<br><br><br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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