[asterisk-users] noise gate for asterisk?

Andrew Joakimsen joakimsen at gmail.com
Sun Oct 22 15:41:54 MST 2006


Whar sort of interface are you using? Whats at both ends of the calls? Are
you sure that noise is generated by Asterisk itself and not by any of the
interfaces?

On 10/20/06, Lenz <lenz-ml at loway.it> wrote:
>
> Hi list,
> I have a client with a strange requirement: putting a noise gate on the
> Asterisk channel. For those who are not familiar with them, noise gates
> are used in musical instruments to avoid entering low-level noise into the
> amp system. What they basically do is, they measure the volume of the
> channel, and when it's too low they just let the channel close, i.e send
> perfect silence, therefore killing low-level buzzing sounds. My client has
> such a need because they have analog voice-operated push-to-talk
> half-duplex devices on the other side, and low level noise from the
> Asterisk side will keep the channel open.
> I will try diminishing the TXgain, but I wondered if there were other
> options too.
> l.
>
>
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