Re: [Linphone-developers] warning: Not enough ref samples, using zeroes

[Simon Morlat]

Hi George,

This warning produces when packet of the incoming stream have been lost,
which results in discontinous streams. The echo canceller who has to
perform synchronously on incoming and outgoing stream replaces the
missing packets by silence (zeroes) to continue its processing.
Note that this should not happen with speex where packet loss
concealment is available.

Simon

Le mardi 17 mai 2011 à 11:24 +0100, address@hidden a écrit :
> Hi,
> 
> I am using linphone 3.4.2 for windows and a PCMU codecs. I get cracking noise 
> which also manifests itself by a warning on the debug console saying 
> "warning: Not enough ref samples, using zeroes".
> 
> Does anyone know under what conditions is this warning being displayed? Any 
> ideas of how to correct this? Thanks.
> 
> George
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