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Bad Audio Timing

thescragster
Posts: 4
 Member Since:
2012-01-12
Submitted by thescragster on Mon, 01/16/2012 - 1:35am.

Hi everyone,

I am currently running trixbox version 2.6.0.0 on a dedicated AMD 64 300+, 1GB, 80HDD, and have a X100P FXO card installed.

Audio playback of recorded messages in calls (ie: IVR, voice commands etc) the audio seems very choppy and can often skip. I believe this may be a timing source issue.

I have just run the dahdi_test command and found some shocking results:

Best: 100.000 -- Worst: 0.629 -- Average: 66.985243, Difference: 66.986553

I am sure I have done something wrong because, from what I understand, those are really bad results. What am I doing wrong? Is the X100P meant to be used as a timing source? Do I need to set this as the source in the settings somewhere?

‹ Access points and coverage 911 calls get "call can not be completed as dialed" ›


SkykingOH
Posts: 9678
 Member Since:
2007-12-17
You have many things against
Mon, 01/16/2012 - 7:32am

You have many things against you. The x100p is unsupported junk. You must be running an older version of trixbox that still uses Zaptel. DAHDI replaced Zaptel and has not direct support for x100p.

Did you setup your dummy timing driver?

Your other issue is you are running on old unsupported version of Asterisk and DAHDI or Zaptel as trixbox has not been updated in well over a year.

--

Scott

aka "Skyking"



jfinstrom
Posts: 2013
 Member Since:
2007-03-07
dahdi_test/zttest is the
Mon, 01/16/2012 - 11:23am

dahdi_test/zttest is the stupidest thing in the world. It is generally useless and pointless. That being said on modern hardware with newer kernels timing should never be an issue. You should simply use ztdummy for timing and trash the x100p they are junk. If you need analog ports there are better options including the low end chinese cards (assuming they aren't x100p clones)

--



thescragster
Posts: 4
 Member Since:
2012-01-12
Thanks for your feedback
Mon, 01/16/2012 - 1:08pm

Thanks for your feedback guys, I really appreciate it.

So would you recommend finding a version that has support for the X100P or scrap the card and just use ztdummy? (we have no real requirement for the analog FXO port, I mainly purchased it in hope it would be a good audio timing source)

Thanks



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