Voice Activity Detection is off by default. You can use the
vors-vad [-rec ...] THRES command with feeding audio record in
its stdin. It will print calculated sound RMS value if it exceeds the
THRES threshold. So you can manually try various THRES
values to see when it is comfortable to detect your voice. Pass the
desired THRES value to -vad option of vors-client.
$ vors-vad 100 [talk and see if threshold is low/high enough] [it is too sensible, let's try higher one] $ vors-vad 200 [perfect!] $ vors-client -vad 200 [...]