Shepard Tone

shepard_tone.rb

# Shepard Tone

start_amp, end_amp = 0, 1
with_fx :reverb, room: 0.8, mix: 0.8 do
  with_fx :lpf, cutoff: 100 do
    live_loop :shephard do
      
      high = synth :saw, amp: start_amp, amp_slide: 20, notes: [:c5],
        note_slide: 30, release: 30
      control high, notes: [:c7], amp: end_amp
      
      mid = synth :saw, amp: start_amp, amp_slide: 20, notes: [:c3],
        note_slide: 30, release: 30
      control mid, notes: [:c5], amp: end_amp
      
      low = synth :saw, amp: start_amp, amp_slide: 20, notes: [:c1],
        note_slide: 30, release: 30
      control low, notes: [:c3], amp: end_amp
      
      sleep 10
    end
  end
end