Hi! I'm quite new to sox. I did some Google searches but I didn't find exactly what I'm looking for. I'm trying to do the following: 1) wait until hear some voice 2) start recording 0.5s BEFORE the trigger 3) wait until find 2 whole seconds below a threshold 4) end recording 0.5s AFTER this trigger For points 2 and 3 I first tried with silence: rec audio.wav silence 1 5 10% 1 2t 10% Well, it actually stops after 2 seconds from when the audio falls below the threshold, not after two WHOLE seconds below it. It seems a different behavior to me rather than the doc says (http://sox.sourceforge.net/sox.html). I mean if I insert 1 second of silence, than I speak again I don't expect the end of recording. For point 4) I can live with the -l option. Anyway, it would be nice to keep a shorter duration of silence (different than below-duration). For point 1) I tried with vad: rec audio.wav vad -p 0.5 it works when used alone. But if I pipe with silence: rec audio.wav vad -p 0.5 silence -l 0 1 2t 10% it just stops after 2 seconds from the beginning of recording. Also adding the above duration/threshold doesn't change anything: rec audio.wav vad -p 0.5 silence -l 1 5 10% 1 2t 10% Please, would you help me to better understand their behavior and how to reach my goal? Thanks in advance! Mark ------------------------------------------------------------------------------ Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers of your business applications. It resolves application problems quickly and reduces your MTTR. Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z _______________________________________________ Sox-users mailing list Sox-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/sox-users
