-- Assuming the speaker is on the right side of the computer
local speaker = peripheral.find("speaker")

-- Function to play siren sound from a DFPWM file
local function playSiren()
  local file = fs.open("siren.dfpwm", "rb")
  local audioData = file.readAll()
  file.close()

  -- Convert string to table of bytes
  local audioTable = {}
  for i = 1, #audioData do
    local byte = string.byte(audioData, i, i)
    table.insert(audioTable, byte)
  end

  speaker.playAudio(audioTable, 1)
end

-- Play the siren for testing
playSiren()