[speex-dev] testenc and snr calculation

Jean-Marc Valin Jean-Marc.Valin at USherbrooke.ca
Mon Sep 1 23:28:56 PDT 2003

I applied the patch (the previous slipped through somehow). Had to
modify it though, because the most useful measurement is not the plain
SNR, but the segmental SNR (I included both anyway).


Le lun 01/09/2003 à 22:15, Mark Borgerding a écrit :
> I submitted a version of testenc.c to this list MONTHS ago that fixed this
> problem. It uses a reconfigurable group delay.  If you had given me cvs
> access I could've committed the changes myself.
> Anyway, the file is attached (again).  Maybe this time you'll actually
> notice the email.
> Sorry if I seem a little short.  It's just very annoying to put the time
> into learning and improving a new project -- only to have your
> contributions ignored.
> </RANT>
> > Actually, the SNR calculation in testenc has been broken for a while.
> > The reason for taking the last frame was that the codec would introduce
> > a one-frame latency. I changed that to half a frame (10 ms) a while ago
> > and never updated testenc.
> >
> > 	Jean-Marc
> >

Jean-Marc Valin, M.Sc.A., ing. jr.
LABORIUS (http://www.gel.usherb.ca/laborius)
Université de Sherbrooke, Québec, Canada

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