sonic-pi-live-looper-proof-of-concept.rb

# See https://www.youtube.com/watch?v=gm11KxJyYCA for a video example

use_bpm 120

# 8-beat loop to synchronize live_loops and
# to know, when recording will start which is:
# after every completed 8-beats, see :drums for
# knowing, when 8 beats are over ...
live_loop :metro do
  sleep 8
end

# uncomment if you want to record incoming sound
# if uncommented it will start recording any time you evaluate
uncomment do
  in_thread sync: :metro do
    with_fx :record, buffer: buffer[:recording, 8] do
      live_audio :testing
    end
  end
end

# replay recorded 8-beat-phrase
live_loop :replay, sync: :metro do
  sample buffer[:recording], amp: 1.5
  sleep 8
end

# just some live loop with music
# in this case used to keep track of 8-beat-pattern
live_loop :drums, sync: :metro do
  sample :loop_amen, beat_stretch: 8, amp: 1.0
  sleep 8
end