[Freeswitch-users] questions about VAD and echo cancellation

[joy this]

NB is the notebook computer..

2010/12/21 Michael Collins <msc at freeswitch.org>

> What is NB?
>
> On Sun, Dec 19, 2010 at 11:00 AM, joy this <thisjoy0528 at gmail.com> wrote:
>
>> Could you give me any suggestions?
>>
>> Sincerely yours,
>> Thisjoy.
>> 2010/12/17 joy this <thisjoy0528 at gmail.com>
>>
>>> Dear all:
>>>
>>>
>>>
>>>         I have questions about VAD and echo cancellation. My FS is
>>> Version 1.0.head (git-) under Windows XP. My soft-phone is X-Lite. I use
>>> earphones and microphones for sip 1 which means the talking and hearing are
>>> separated; on the other hand, I use NB for sip 2 which makes the talking and
>>> hearing in the same place. Sip 1 (1000) calls sip 2 (1001) via FS. When I
>>> say something via sip 1, the echo will occur, and the echo will only occur
>>> on sip 1.
>>>
>>>         How do I cancel the echo? Buy a hardware card or something else?
>>> I have two gateways which are Wellgate2644 and ata171m. Please give me some
>>> suggestions.
>>>
>>>         When I enabled VAD, I found something strange. In the start of
>>> the session, I can hear the noise and echo on sip 1. If I say something via
>>> sip 2, the echo and the noise will disappear. Then the echo will not occur
>>> on sip 1 only in a short time, about several seconds. The echo and the noise
>>> will occur gradually if I say something via sip1. Is it a normal situation?
>>>
>>>
>>>
>>> Sincerely yours,
>>> Thisjoy.
>>>
>>
>>
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>
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