[App_rpt-users] Adjusting telemetry levels

[Doug Crompton]

I have been trying to think of creative ways to adjust (down) the voice telemetry levels. The connected, disconnected, etc. messages are created from the Asterisk sounds directory. What I did for my voice ID and other short messages was create a batch file to combine the sound files and then run the combined file through sox to lower the volume. 

In other cases it becomes a little more difficult. I like on the hour time messages. The app_rpt time messages are created using the Asterisk say commands and code in app_rpt.  It is not possible without modifying the app_rpt source to change the way it says it or more importantly the volume. I like the volume of messages to be somewhat lower than the normal QSO audio. So I created a Perl program to emulate the built-in time function and then on the fly I adjust the volume and play it.

So far I have most everything under control but the connect/disconnect messages which are very annoying. I wish they could be made lower in volume also. This could be accomplished by running all the audio files they would call through sox to reduce the volume. Then when app_rpt called the files they would play at reduced volume. Kind of a crude way to do it but it would work. Of course whenever you called the modified files for other uses they would be at a reduced volume also.

Interested in what others have done in this regard?

I am attaching my Perl script to replace the app_rpt built-in time in case anyone else would like to use it. Instructions for its use are in comments in the script.


73 Doug
WA3DSP
http://www.crompton.com/hamradio
 		 	   		  
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