March 20, 2013 16:18
diff --git a/pianos.py b/pianos.py
 from pippi import dsp

 def spray(snd, bar, numlayers):
    # Transpose original sound up an octave
    snd = dsp.transpose(snd, 2)

    # Choose a set of time offsets in the source sample
    offsets = [ dsp.randint(0, dsp.flen(snd) - dsp.stf(1)) for i in range(numlayers) ]

    # Possible divisions of a 'bar'
    divs = [4, 8, 10, 12, 16, 24, 32]

    layers = []

    # Loop through the time offsets and assemble streams of events at 
    # variable divisions of a 'bar'
    for offset in offsets:
        # Randomly choose the number of segments to divide a bar into
        numchunks = dsp.randchoose(divs)

        # Determine the length of each chunk
        chunk_length = bar / numchunks

        # Cut a chunk from the source starting at the given time offset
        chunk = dsp.cut(snd, offset, chunk_length)

        # Attenuate the sample
        chunk = dsp.amp(chunk, 0.3)

        # Alias is a simple bitcrush type effect
        chunk = dsp.alias(chunk, split_size=2*dsp.randint(1, 2))

        # Apply an amplitude envelope to the chunk
        chunk = dsp.env(chunk, 'phasor')

        # Copy the chunk enough times to fill a bar, and pan each copy 
        # to a random stereo position.
        chunk = ''.join([ dsp.pan(chunk, dsp.rand()) for c in range(numchunks) ])

        # Trim the entire layer or loop until it matches the length of a bar 
        # to the frame.
        chunk = dsp.fill(chunk, bar)

        layers += [ chunk ]

    # Mix down all of the layers and return
    return dsp.mix(layers)

 # Reads piano.wav from the current directory
 piano = dsp.read('piano.wav').data

 # Concat 16 iterations of a 6 second bar, with three layers each
 sprays = ''.join([ spray(piano, dsp.stf(6), 3) for i in range(16) ])

 # Writes a WAV to piano_sprays.wav in the current directory
 dsp.write(sprays, 'piano_sprays')
	from pippi import dsp

	def spray(snd, bar, numlayers):
	# Transpose original sound up an octave
	snd = dsp.transpose(snd, 2)

	# Choose a set of time offsets in the source sample
	offsets = [ dsp.randint(0, dsp.flen(snd) - dsp.stf(1)) for i in range(numlayers) ]

	# Possible divisions of a 'bar'
	divs = [4, 8, 10, 12, 16, 24, 32]

	layers = []

	# Loop through the time offsets and assemble streams of events at
	# variable divisions of a 'bar'
	for offset in offsets:
	# Randomly choose the number of segments to divide a bar into
	numchunks = dsp.randchoose(divs)

	# Determine the length of each chunk
	chunk_length = bar / numchunks

	# Cut a chunk from the source starting at the given time offset
	chunk = dsp.cut(snd, offset, chunk_length)

	# Attenuate the sample
	chunk = dsp.amp(chunk, 0.3)

	# Alias is a simple bitcrush type effect
	chunk = dsp.alias(chunk, split_size=2*dsp.randint(1, 2))

	# Apply an amplitude envelope to the chunk
	chunk = dsp.env(chunk, 'phasor')

	# Copy the chunk enough times to fill a bar, and pan each copy
	# to a random stereo position.
	chunk = ''.join([ dsp.pan(chunk, dsp.rand()) for c in range(numchunks) ])

	# Trim the entire layer or loop until it matches the length of a bar
	# to the frame.
	chunk = dsp.fill(chunk, bar)

	layers += [ chunk ]

	# Mix down all of the layers and return
	return dsp.mix(layers)

	# Reads piano.wav from the current directory
	piano = dsp.read('piano.wav').data

	# Concat 16 iterations of a 6 second bar, with three layers each
	sprays = ''.join([ spray(piano, dsp.stf(6), 3) for i in range(16) ])

	# Writes a WAV to piano_sprays.wav in the current directory
	dsp.write(sprays, 'piano_sprays')
No results found