Re: [Linphone-developers] Mesuring speech quality with linphone

[Simon Morlat]

Hi Eduardo,

You convinced me to integrate your patch.
Did you made changes since last time ?
In case yes, please sent it to me.
Thanks

Simon


Le Jeudi 22 Septembre 2005e14:45, Eduardo Bezerra a écrit :
> Hi,
>
> 1.   The ctl->adaptative=TRUE change was a mistake. We were testing
> your jitter buffer implementation and forgot to remove this line.
>
> 2.    I agree with you that qos trace files can be useful more for
> researchers, students and benchmarkers than for end-users. But we can think
> in some interesting improvements for linphone as future work like:
> a. The end user could be benefited by Network Management works. A VoIP
> Service could be more efficient if the network has some Management.
> But, Network Management needs a "Management Information Base" (MIB).
> Linphone can help here, feeding the MIB. This MIB can be fed by standard
> reports like RTCP-XR (RFC 3611). In some fields of this extended report
> voice quality information must be reported. As you can realize, if you
> don't have extended reports, you will not have fed MIB's. If you don't have
> fed MIB's, you will not have Network Management. And finally, if you don't
> have Network Management, the end-user will not have a better service.
>
> b. While these extended reports aren't implemented, the end-user
> can be benefited by more information about calls. I think that
> knowing the voice quality during calls could be interesting to the
> end-user.
>
> c. As you said, researchers, students, benchmarkers and developers
> can be benefited by this information too.
>
> 2005/9/14, Simon Morlat <address@hidden>:
> > Hello,
> >
> > Thanks for this publishing this patch to everyone.
> > I have not yet decided to integrate it into the main tree, as it's quite
> > big and only interesting for researchers, students, benchmarkers, not end
> > users. Comments and arguments welcome.
> > I do not undersand why you changed ctl->adaptive=TRUE in
> > jitter_control_stop(). ?
> > Thanks again.
> >
> > Simon
> >
> > Le Jeudi 8 Septembre 2005 15:48, Eduardo Bezerra a écrit:
> > > Hi all,
> > >
> > >
> > >   Regeane Aguiar (address@hidden), Alexandre Passito
> > > (address@hidden) and I developed a patch to linphone 1.0.1 to
> > > measure speech quality using the tool available in
> > > http://sourceforge.net/projects/medqos.
> > >   The patch-qosfile-050721 file makes modifications on oRTP to
> > > generate the trace
> > > file and the patch-linphonec-qosfile-050721 modifies linphonec to
> > > accept aditional
> > > options about the speech measurement.
>
> --
> Eduardo Bezerra Valentin
> Bacharelado em Ciência da Computação - DCC - UFAM
> Laboratório de VoIP - GRSD - UFAM