Lines Matching +full:pga +full:- +full:gain

17 echo -n  "Please select a test case: "
22 mkdir -p $PATH_AUDIO
28 	amixer set "Right PGA Mux" "DifferentialR"
29 	amixer set "Left PGA Mux" "DifferentialL"
43 	gain=-30
46 	if [ -n "$1" ]; then
50 	while [ $ch -ge 1 ]
56 					echo "play_device=$play_device, ch="$ch", rate="$fs", bit=$bits, $seconds sec, gain=$gain"
57 					sox -b $bits -r $fs -c $ch -n -t alsa $play_device synth $seconds sine 440 gain $gain
76 	if [ -n "$1" ]; then
90 				arecord -D $capt_device -r $fs -f $bits -c $ch -d $seconds $PATH_CAPTURE/$DUMP_FILE