[Asterisk-Users] Asterisk Codecs [G.729]

[Unavailable ID]

It's full-duplex for both inbound & outbound

Total rates:                166.8 kbits/sec
                                 103.6 packets/sec

Incoming rates:           83.6 kbits/sec
                                  52.2 packets/sec

Outgoing rates:            83.2 kbits/sec
                                   51.4 packets/sec

----- Original Message ----- 
From: "Andrew Gillham" <gillham at vaultron.com>
To: <asterisk-users at lists.digium.com>
Sent: Tuesday, March 09, 2004 2:45 PM
Subject: Re: [Asterisk-Users] Asterisk Codecs [G.729]


> Andrew Gillham wrote:
> 
> > <Unavailable ID> wrote:
> >
> >> Hello all,
> >>  
> >> I'm looking for advice for codec that works best for asterisk.  
> >> Anyone has real testing with all codecs, specially with G.729.  I 
> >> have tested with single call on few codecs that come with asterisk by 
> >> using IPTraf and the rate as of below:
> >>  
> >> ulaw 64 Kbps, sample-based Also known as alaw/ulaw 166kbits/sec
> >> alaw 64 Kbps, sample-based Also known as alaw/ulaw 167kbits/sec
> >> gsm 13 Kbps (full rate), 20ms frame size   66kbits/sec
> >> speex 2.15 to 44.2 Kbps     n/a
> >> iLBC 15Kbps,20ms frame size: 13.3 Kbps, 30ms frame size 57.6kbits/sec
> >> G.729 8 Kbps, 10ms frame size    license
> >>  
> >> Have anyone test it with G.729?  Please let me know.
> >>  
> >> Thanks.
> >>  
> >
> >
> > Are some of these numbers for the full-duplex traffic?
> 
> Ok, my question doesn't even seem that clear to me. :-)
> 
> What I mean, is that the G.711 numbers for example look like both 
> directions *combined* so the actual rate would be more like 83Kbit/s. 
> (much like listed on the wiki page)
> 
> So for G.711 a/ulaw, gsm, iLBC etc I was wondering if that is a single 
> direction, or the combination of both directions?
> 
> -Andrew
> 
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