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playMary

def playMary2():
  A = makeSound('smooth_string-a4.wav')
  B = makeSound('smooth_string-b4.wav')
  D = makeSound('smooth_string-d4.wav')
  G = makeSound('smooth_string-g4.wav')

  song = makeEmptySound(10)

  song_index = 1

  song_index = insertNote(song, song_index, B, 1)
  song_index = insertNote(song, song_index, A, .25)
  song_index = insertNote(song, song_index, G, .25)
  song_index = insertNote(song, song_index, A, .25)

  song_index = insertNote(song, song_index, B, .25)
  song_index = insertNote(song, song_index, B, .25)
  song_index = insertNote(song, song_index, B, .50)

  song_index = insertNote(song, song_index, A, .25)
  song_index = insertNote(song, song_index, A, .25)
  song_index = insertNote(song, song_index, A, .50)

  song_index = insertNote(song, song_index, B, .25)
  song_index = insertNote(song, song_index, changeOctave(D,2), .25)
  song_index = insertNote(song, song_index, changeOctave(D,2), .50)

  play(song)
######################################## Helper Functions
def insertNote(target, target_index, note, duration):
  for index in range(1, int(getSamplingRate(note)*duration)):
    value = getSampleValueAt(note, index)
    setSampleValueAt(target, target_index, value)
    target_index = target_index +1 
  return target_index

def insertRest(target, target_index, note, duration):
  for index in range(1, int(getSamplingRate(note)*duration)):
    setSampleValueAt(target, target_index, 0)
    target_index = target_index +1 
  return target_index
 
def changeOctave(source_note, factor): 
  new_note = makeEmptySound(1)
  source_note_index = 1
  for new_note_index in range(1, int(getSamplingRate(new_note))):
    value = getSampleValueAt(source_note, int(source_note_index))
    setSampleValueAt(new_note, new_note_index, value)
    source_note_index = source_note_index + factor
    if (source_note_index >= getLength(source_note)):
      source_note_index = 1
  return new_note
  
######################################## Stuff that I dont need but want to keep
def delay():
  delay = 10000
  for index in range (1, getLength(song)+1-delay):
    orig_value = getSampleValueAt(song, index)
    echo_value = 0.6*getSampleValueAt(song, index+delay)
    setSampleValueAt(song, index, orig_value + echo_value)

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• Spring 2007 materials last edited on 21 August 2007 at 10:44 pm by user-1121vkp.dsl.mindspring.com