[Freeswitch-users] Detecting Energy Levels on a Channel with mod_lua

Mathieu Rene mrene_lists at avgs.ca
Mon Mar 1 16:20:47 PST 2010


Media bugs allow you to get a channel's audio so you can use that yeah.

Mathieu Rene
Avant-Garde Solutions Inc
Office: + 1 (514) 664-1044 x100
Cell: +1 (514) 664-1044 x200
mrene at avgs.ca




On 1-Mar-10, at 7:15 PM, Michael Collins wrote:

>
>
> On Mon, Mar 1, 2010 at 2:59 PM, Mathieu Rene <mrene_lists at avgs.ca>  
> wrote:
> An easy way is to do an average of the absolute value of each L16  
> sample over a period of time. Im not quite sure how to access audio  
> channels from within Lua but if you are in C you can use  
> switch_core_session_read_frame() to get audio frames.
>
> Show off! :) Related question: do media bugs allow you to access  
> this kind of information? Just curious...
> -MC
>
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