[Freeswitch-users] bridge_generate_comfort_noise not honoring integer value for volume level

[Anthony Minessale]

The higher the number the softer it will get.  You say 4000 didn't work?
-1 should be absolute silence.

On Thu, Dec 14, 2017 at 6:01 AM, Matthew Meek <mmeek at livexchange.com> wrote:

> I can successfully inject whitenoise on the bridged leg (audio from A leg
> towards the bridged call) in the dial plan by setting
> bridge_generate_comfort_noise=true. The whitenoise is quite loud and I
> would like to make it quieter or silent (I am just trying to keep the far
> end firewall port open during long periods of A leg not sending packets due
> to hold).  I have tried values of -1, 40,1400, and 4000 instead of true and
> they produce the same amount of whitenoise volume. The source code in
> switch_ivr_bridge.c looks like it indeed honors an integer value, but
> somehow the end result is always the same. If I do not set the variable I
> get no whitenoise, so the variable is indeed controlling whitenoise, just
> not the volume level of whitenoise. The codec is PCMU.
>
>
>
> I can repeat this with 1.2, 1.4, and 1.6 branches of FS.
>
>
>
> Matthew Meek
>
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-- 
Anthony Minessale II
Founder, FreeSWITCH.


https://youtu.be/l_hOxzCt6X4
https://www.youtube.com/watch?v=oAxXgyx5jUw
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