You may try: ec_tail_len=200 or even 300 D 2012/3/4 Coca <[email protected]>: > Dear all, > > Sorry for sending this again since I really need some hint! > > I noticed in many android phones (we tested it with at least 50+ types of > android) > a terrible howling echo when both linphone-android UA is in speaker mode or > in video chat (speaker mode of course). > This only happen when both of them are in speaker mode. > > Any idea how to tube this issue? > I saw some ec related parameter in linphonerc file but no idea what they > means. > > ec_tail_len=120 > ec_framesize=128 > > el_type=mic > el_thres=0.03 > el_force=100000 > el_sustain=400 > el_transmit_thres=1.7 > ng_floorgain=0.01 > > > > Thank you! > > Coca > > _______________________________________________ > Linphone-users mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/linphone-users >
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