_dev_audio.rb

require 'coreaudio'

dev = CoreAudio.default_output_device
buf = dev.output_loop(44000)

line = ARGV[0]
puts line

44000.times do |t|
#  buf[i] = 0x3FFF * rand()
#  buf[i] = t * ((t >> 9 | t >> 13) & 25 & t >> 6)
  buf[t] = eval line
end

buf.start
sleep 10
buf.stop

__END__

SYNOPSIS:
  % ruby _dev_audio.rb 't * ((t >> 9 | t >> 13) & 25 & t >> 6)'

SEE ALSO:
  http://d.hatena.ne.jp/miujun/20111003
  https://github.com/nagachika/ruby-coreaudio/blob/master/examples/outloop_sine.rb