Re: [Linphone-users] [help!][resent] a terrible howling echo when both linphone-android UA is in speaker mode

[Gelonida N]

Hi Dragos,


Is there any doc explaining the 'theory' of these parameters.


On 03/04/2012 08:00 PM, Dragos D wrote:
> You may try:
> ec_tail_len=200 or even 300
> D
> 
> 2012/3/4 Coca <address@hidden>
>>
>> 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 mod
. . .
>> 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
>>