James Harper wrote: > >> Just to give you another (relative) comparison... This is from a VIA >> processor running at 533MHz, (64KB Cache) asterisk compiled as i586 as >> it's missing some of the nicer MMX instructions: >> >> g723 gsm ulaw alaw g726 adpcm slin lpc10 g729 speex > ilbc >> g723 - - - - - - - - - - > - >> gsm - - 10 10 32 12 9 43 - - > 174 >> ulaw - 18 - 1 24 4 1 35 - - > 166 >> alaw - 18 1 - 24 4 1 35 - - > 166 >> g726 - 36 20 20 - 22 19 53 - - > 184 >> adpcm - 19 3 3 25 - 2 36 - - > 167 >> slin - 17 1 1 23 3 - 34 - - > 165 >> lpc10 - 42 26 26 48 28 25 - - - > 190 >> g729 - - - - - - - - - - > - >> speex - - - - - - - - - - > - >> ilbc - 49 33 33 55 35 32 66 - - > - > > Hey... why does your asterisk allow translation to and from ilbc? > > This is mine (Dual Celeron 533's): > Translation times between formats (in milliseconds) > Source Format (Rows) Destination Format(Columns) > > g723 gsm ulaw alaw g726 adpcm slin lpc10 g729 speex > ilbc > g723 - - - - - - - - - - > - > gsm - - 7 7 13 7 6 17 39 100 > - > ulaw - 17 - 1 8 2 1 12 34 95 > - > alaw - 17 1 - 8 2 1 12 34 95 > - > g726 - 23 8 8 - 8 7 18 40 101 > - > adpcm - 17 2 2 8 - 1 12 34 95 > - > slin - 16 1 1 7 1 - 11 33 94 > - > lpc10 - 24 9 9 15 9 8 - 41 102 > - > g729 - 23 8 8 14 8 7 18 - 101 > - > speex - 27 12 12 18 12 11 22 44 - > - > ilbc - - - - - - - - - - > - > > And it won't translation ilbc to/from anything else. I had to buy some > g729 licenses (a better option anyway though) because my voip provider > only does alaw, g729, and ilbc, and I prefer to use alaw internally... > > James > > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
This is from a Dual 700Mhz/2MBcache/2GB ram machine.
Translation times between formats (in milliseconds)
Source Format (Rows) Destination Format(Columns)
g723 gsm ulaw alaw g726 adpcm slin lpc10 g729 speex ilbc
g723 - - - - - - - - - - -
gsm - - 3 3 8 3 2 10 - 118 41
ulaw - 7 - 1 7 2 1 9 - 117 40
alaw - 7 1 - 7 2 1 9 - 117 40
g726 - 11 6 6 - 6 5 13 - 121 44
adpcm - 7 2 2 7 - 1 9 - 117 40
slin - 6 1 1 6 1 - 8 - 116 39
lpc10 - 12 7 7 12 7 6 - - 122 45
g729 - - - - - - - - - - -
speex - 12 7 7 12 7 6 14 - - 45
ilbc - 13 8 8 13 8 7 15 - 123 -
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