sound samples

Author: monkstone

processing_app/library/sound/README.md

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+### README

processing_app/library/sound/brown_noise.rb

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+#!/usr/bin/env jruby
+require 'propane'
+
+# This is a simple brownian noise generator. It can be started with .play(amp).
+# In this example it is started and stopped by clicking into the renderer window.
+class BrownNoiseApp < Propane::App  
+  load_library :sound
+  include_package 'processing.sound'
+
+  attr_reader :amp, :noise
+
+  def settings
+    size(640, 360)
+  end
+
+  def setup
+    sketch_title 'Brown Noise'
+    background(255)
+    @amp = 0.0
+    # Create the noise generator
+    @noise = BrownNoise.new(self)
+    noise.play(amp)
+  end
+
+  def draw
+    # Map mouseX from 0.0 to 1.0 for amplitude
+    noise.amp(map1d(mouse_x, (0..width), (0.0..1.0)))
+    # Map mouseY from -1.0 to 1.0 for left to right
+    noise.pan(map1d(mouse_y, (0..height), (-1.0..1.0)))
+  end
+end
+
+BrownNoiseApp.new

processing_app/library/sound/data/1.aif

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+#!/usr/bin/env jruby
+require 'propane'
+
+# This example shows how to make a simple sampler and sequencer with the Sound
+# library. In this sketch 5 different short samples are loaded and played back
+# at different pitches, in this when 5 different octaves. The sequencer
+# triggers and event every 200-1000 mSecs randomly. Each time a sound is
+# played a colored rect with a random color is displayed.
+class Keyboard < Propane::App
+  load_library :sound
+  include_package 'processing.sound'
+  # Define the number of samples
+  NUM_SOUNDS = 5
+  attr_reader :device, :file, :value
+
+  def setup
+    sketch_title 'Keyboard'
+    background(255)
+    # Create a Sound renderer and an array of empty soundfiles
+    @device = AudioDevice.new(self, 48_000, 32)
+    @file = []
+    @value = Array.new(3, 0)
+    # Load 5 soundfiles from a folder in a for loop. By naming the files 1., 2.,
+    # 3., n.aif it is easy to iterate through the folder and load all files in
+    # one line of code.
+    NUM_SOUNDS.times do |i|
+      file << SoundFile.new(self, data_path(format('%d.aif', (i + 1))))
+    end
+  end
+
+  def draw
+    background(*value) # splat array values
+  end
+
+  def key_pressed
+    defined = true
+    case key
+    when 'a'
+      file[0].play(0.5, 1.0)
+    when 's'
+      file[1].play(0.5, 1.0)
+    when 'd'
+      file[2].play(0.5, 1.0)
+    when 'f'
+      file[3].play(0.5, 1.0)
+    when 'g'
+      file[4].play(0.5, 1.0)
+    when 'h'
+      file[0].play(1.0, 1.0)
+    when 'j'
+      file[1].play(1.0, 1.0)
+    when 'k'
+      file[2].play(1.0, 1.0)
+    when 'l'
+      file[3].play(1.0, 1.0)
+    when 'ö'
+      file[4].play(1.0, 1.0)
+    when 'ä'
+      file[0].play(2.0, 1.0)
+    when 'q'
+      file[1].play(2.0, 1.0)
+    when 'w'
+      file[2].play(2.0, 1.0)
+    when 'e'
+      file[3].play(2.0, 1.0)
+    when 'r'
+      file[4].play(2.0, 1.0)
+    when 't'
+      file[0].play(3.0, 1.0)
+    when 'z'
+      file[1].play(3.0, 1.0)
+    when 'u'
+      file[2].play(3.0, 1.0)
+    when 'i'
+      file[3].play(3.0, 1.0)
+    when 'o'
+      file[4].play(3.0, 1.0)
+    when 'p'
+      file[0].play(4.0, 1.0)
+    when 'ü'
+      file[1].play(4.0, 1.0)
+    else
+      defined = false # only set background color value, if key is defined
+    end
+    @value = [rand(0..255), rand(0..255), rand(0..255)] if defined
+  end
+
+  def settings
+    size 640, 360, P2D
+  end
+end
+
+Keyboard.new

processing_app/library/sound/data/2.aif

@@ -1,26 +1,27 @@
-# This is a simple pink noise generator. It can be started with .play(amp).
-# In this example it is started and stopped by clicking into the renderer window.
+#!/usr/bin/env jruby
 require 'propane'
 
+# This is a simple pink noise generator. It can be started with .play(amp).
+# In this example it is started and stopped by clicking into the renderer window.
 class PinkNoiseApp < Propane::App
   load_library :sound
   include_package 'processing.sound'
-  
+
   attr_reader :amp, :noise
-  
+
   def settings
     size(640, 360)
   end
-  
+
   def setup
     sketch_title 'Pink Noise'
     background(255)
     @amp = 0.0
     # Create the noise generator
     @noise = PinkNoise.new(self)
     noise.play(amp)
-  end      
-  
+  end
+
   def draw
     # Map mouseX from 0.0 to 1.0 for amplitude
     noise.amp(map1d(mouse_x, (0..width), (0.0..1.0)))