On 05/13/2016 01:39 AM, Jeevan Singh Dhami wrote:

Hi,
I have recorded the voice using freeswitch and their found silence in recording if recording goes below given silence threshold. after that freeswitch stop the recording .but there was no indication given by freeswitch for silence detection .Could you please tell me there is any way to find the indication parameters in freeswitch. Either any solution for knowing silence found in recording in freeswitch.

please share the solution in same mail .i will appreciate your feedback.

It sounds to me like you are using record app in FreeSWITCH, it stops recording due to timeout or silence detection. And you are wanting to know if the entire file was silence?

If I have understood you correctly, I have not been able to find a way to do this directly in FreeSWITCH. I use a bash wrapper around sox to extract the RMS delta level. If it exceeds a certain level (I have found what largely works for my phone system, but it will be different for yours I am sure), then there is actual usable audio. FreeSWITCH can call external programs like that. I needed my shell script for a lua based call screener. (I didn't want background noise and pops and clicks to be a reason to ring the internal phones.)

I hope this helps,
Trever