Hi Gabor, Afaik, VAS will (implicitly) activate the hardware EC, so I don't think you'll need software EC. However, it is rather strange indeed that enabling pjmedia echo suppressor (ec_options==PJMEDIA_ECHO_SIMPLE) disturbs the VAS start-up. BR, nanang On Mon, Jan 18, 2010 at 4:55 PM, Gabor Tanka <Gabor.TANKA at ccc.fi> wrote: > Hi all! > > > > I have a problem with enabling echo cancellation on symbian with VAS. > > I have modified the gui test application, and enabled echo cancellation, > > with these lines. > > > > //med_cfg.ec_tail_len = 0; > > ??? med_cfg.ec_options = 2; > > > > The ec is ok with the APS sound device, but with VAS the > > IsStarted() method of the sound device always returns with timeout. (Here I > also tried to increase the pre-defined > > VAS_WAIT_START = 2000 value, but without success) > > And after the first unsuccessful initialization of the sound device with > 8000Hz > > pjsip tries to init it with 44100Hz. The VAS sound device asserts, because > it does not supports > > this ?frequency.( this assert is at line 1522 in symb_vas_dec.cpp ) > > But if I switch of the ec, it works. > > > > Do you know what could be the problem? > > > > Thank You, > > Gabor > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > >
