[GnomeMeeting-list] Re: [OpenH323]question related to Codecs

["asharma" <asharma samyak com>]

Hi,
    First of all thanks for the response.
  Well I want to know all the relevant parameters of the s/w codecs that are
available with current OpenH323 stack. And can I control them through some
GUI from my endpoint. Like the case of speex that you took for 20ms, so can
I adjust that 20ms to say 30 ms etc.
Actually I want to measure the performance of each codec by changing its
parameters.

Then meaning of the target area is that in OpenH323 at what place I can do
customization for the codec feature.

And is there any way to control how many frames to put in single packet. I
think that should be one of the parameters for all the codecs. Please help
me in this regard, for obtaining the relevant parameters which we can
control for Audio and Video Software codecs available in OpenH323.

Thanks and regards,
Ashu.


----- Original Message -----
From: "Guilhem Tardy" <gravsten yahoo com>
To: <asharma samyak com>
Cc: <openh323 openh323 org>; "GnomeMeeting mailing list"
<gnomemeeting-list gnome org>
Sent: Wednesday, April 20, 2005 7:09 PM
Subject: Re: [OpenH323]question related to Codecs


> Hi,
>
> >   can anyone tell me what are the configurable parameters of a
> > software audio and video codecs for utilizing under OpenH323.
>
> You will need to narrow down your question a bit, because all codecs (and
their
> corresponding capabilities) have a different parameter set.
>
> > I mean to say, suppose I am having G.711 codec available with me
> > as a software, so which parameters I can control for that codec like
> > say how many frames to be put in a single packet.
>
> All audio codecs have this parameter, although some put additional
constraints
> (e.g. Speex in increment of 20ms).
>
> > And what are the targeted ares where one can look into.
>
> If I understand your question correctly, the target for audio is between
30ms
> and 100ms for audio. But it really depends on your network, available
> bandwidth, codec, ...
>
> Best regards,
>
> Guilhem Tardy                 Freemail: gravsten at yahoo dot com
> Tel: +81-90-4601-3894         Email:    gtardy at salyens dot com
> Salyens                       http://www.salyens.com/
> Java and Video Conferencing Technologies
>
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