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#!/bin/sh
# use sox to play very quiet noise for keeping bluetooth headphones connected
# kill any previously running processes
killall -u "$LOGNAME" play
# arguments used:
# -q quiet mode (don't output progress bar)
# -n null input filename (because synth is used as input)
# -r 44100 sample rate (44.1 KHz)
# -b 32 -e signed signed 32-bit
# -c 2 create two channels (ouput stereo)
# synth whitenoise start with white noise
# band -n 650 1300 bandpass filter between 650-1300 Hz
# vol 0.01 very quiet
play -q -n -r 44100 -b 32 -e signed -c 2 synth whitenoise band -n 650 1300 vol 0.01 & disown
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