_____ From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Olivier Sent: Thursday, October 14, 2010 11:11 AM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Explain "core show translation"
2010/10/14 Danny Nicholas <da...@debsinc.com> _____ From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@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" ? Ahh - questions that make me read. The "core show translation" invokes the translate.c module. If you do "c s t" it does a "one shot" display of the current values. If you do "c s t r 60" it recalculates and redisplays the values every 60 seconds. If your machine is a "variable load" state, you could get significantly different output. If your machine is running at a "20%" load, it's probably not going to vary very much.
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