[Asterisk-Users] iLBC/PCM16 Huge Cost

[Brian West]

Just an FYI

show translation recalc 10

Give that a go.

bkw

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Benjamin on Asterisk Mailing Lists
> Sent: Saturday, October 23, 2004 4:56 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] iLBC/PCM16 Huge Cost
> 
> On Sat, 23 Oct 2004 02:16:44 -0700, Trevor Peirce <tpeirce at digitalcon.ca>
> wrote:
> >         G723   GSM  ULAW  ALAW  G726 ADPCM SLINR LPC10 G729A SPEEX  ILBC
> >   G723     -     -     -     -     -     -     -     -     -     -     -
> >    GSM     -     -     2     2     4     2     1  1238     -     -
> 529695
> >   ULAW     -     5     -     1     4     2     1  1238     -     -
> 529695
> >   ALAW     -     5     1     -     4     2     1  1238     -     -
> 529695
> >   G726     -     7     4     4     -     4     3  1240     -     -
> 529697
> >  ADPCM     -     5     2     2     4     -     1  1238     -     -
> 529695
> >  SLINR     -     4     1     1     3     1     -  1237     -     -
> 529694
> >  LPC10     -   196   193   193   195   193   192     -     -     -
> 529886
> >  G729A     -     -     -     -     -     -     -     -     -     -     -
> >  SPEEX     -     -     -     -     -     -     -     -     -     -     -
> >   ILBC     -   219   216   216   218   216   215  1452     -     -     -
> >
> 
> Whoa. There must be something very wrong with your codec translation.
> I am getting the following on a PIII 533MHz IBM with Intel mobo, two
> Zaptel cards, no shared interrupts ...
> 
> tyo-switch*CLI> show translation
>          Translation times between formats (in milliseconds)
>           Source Format (Rows) Destination Format(Columns)
> 
>          G723   GSM  ULAW  ALAW  G726 ADPCM SLINR LPC10 G729A SPEEX  ILBC
>    G723     -     -     -     -     -     -     -     -     -     -     -
>     GSM     -     -     4     4    10     4     3     -     -     -    66
>    ULAW     -     9     -     1     8     2     1     -     -     -    64
>    ALAW     -     9     1     -     8     2     1     -     -     -    64
>    G726     -    15     8     8     -     8     7     -     -     -    70
>   ADPCM     -     9     2     2     8     -     1     -     -     -    64
>   SLINR     -     8     1     1     7     1     -     -     -     -    63
>   LPC10     -     -     -     -     -     -     -     -     -     -     -
>   G729A     -     -     -     -     -     -     -     -     -     -     -
>   SPEEX     -     -     -     -     -     -     -     -     -     -     -
>    ILBC     -    18    11    11    17    11    10     -     -     -     -
> 
> Can you set up a test call where Asterisk will transcode from ulaw to
> ILBC and see what it does to your CPU load?
> 
> rgds
> benjk
> 
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