Runs in the background, makes an (inaudible?) sound every so often to keep your soundbar awake.

clicker.rbw

# Dependencies
require 'bundler/inline'
gemfile(true) do 
  source 'https://rubygems.org'
  gem 'win32-sound', require: 'win32/sound'
end
include Win32

FREQUENCY =      37 # Hz; 37-32767 - what pitch sound?
DURATION  =       1 # Ms           - how long to play for?
DELAY     = 60 * 19 #  s           - how often to play?

def every sec, &pr
  loop do
    pr.call
    t = Time.now.to_f
    frac = t.modulo(sec.to_f)
    sleep(sec - frac)
  end
end

every DELAY do
  Sound.beep(FREQUENCY, DURATION)
end