Add script to enable noise cancelation in PA

setup/setup_pulseaudio

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -uo pipefail
+
+if (( $EUID != 0 )); then
+    echo "Should be run as root"
+    exit 1
+fi
+
+cat >> /etc/pulse/default.pa <<EOF
+
+### Enable Echo/Noise-Cancellation
+load-module module-echo-cancel use_master_format=1 aec_method=webrtc aec_args="analog_gain_control=0\ digital_gain_control=1" source_name=echoCancel_source sink_name=echoCancel_sink
+set-default-source echoCancel_source
+set-default-sink echoCancel_sink
+EOF