[asterisk-users] Explain "core show translation"

[Olivier]

2010/10/14 Danny Nicholas <danny at debsinc.com>

>   ------------------------------
>
> *From:* asterisk-users-bounces at lists.digium.com [mailto:
> asterisk-users-bounces at lists.digium.com] *On Behalf Of *Olivier
> *Sent:* Thursday, October 14, 2010 10:43 AM
> *To:* Asterisk Users Mailing List - Non-Commercial Discussion
> *Subject:* [asterisk-users] Explain "core show translation"
>
>
>
> Hi,
>
> I've read in http://www.voip-info.org/wiki/view/Asterisk+codecs but I
> still have questions about "core show translation".
>
> How are values replied by "core show translation" computed in the the first
> place ?
> I've got 2 machines using a 3GHz Intel CPU : 1 is a Xeon, 1 is a Pentium 4
> (gathered with cat /proc/cpuinfo)
>
> The Xeon machine is showing, for instance:
>                    gsm
>      ulaw     -  1601
>
> The other shows:
>                    gsm
>      ulaw     -  2
>
> Why are these values so different ?
> 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.
>
> Regards
>
>
>
> 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.
>

Where this data comes from in the first place ?
Is it computed each time "core show translation" is typed ?

What does "core show translation recalc 60" add to "core show translation" ?



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