def main(units, inputFile, outputFile):
# This takes your input track, sends it to the analyzer, and returns the results.
audiofile = audio.LocalAudioFile(inputFile)
# This gets the overall key of the track
tonic = audiofile.analysis.key['value']
# This gets a list of all of the selected unit in the track.
chunks = audiofile.analysis.__getattribute__(units)
# This is a serious line!
# It means: "segments that have the tonic as the max pitch and that overlap the start of the <units>"
# Note the syntax: ".that(do_something)". These work just the way you think they should
# (That is, they act like list comprehensions for the given statement!)
# Also, note that have_pitch_max and overlap are imported from selection.py
segs = audiofile.analysis.segments.that(have_pitch_max(tonic)).that(overlap_starts_of(chunks))
# Using the same synatx as the above line:
# this line gets all rhythmic units that begin with the segment we found above
outchunks = chunks.that(overlap_ends_of(segs))
# This assembles the pieces of audio defined in collect from the analyzed audio file.
out = audio.getpieces(audiofile, outchunks)
# This writes the newly created audio to the given file.
out.encode(outputFile)
def main(units, inputFile, outputFile):
audiofile = audio.LocalAudioFile(inputFile)
tonic = audiofile.analysis.key['value']
chunks = audiofile.analysis.__getattribute__(units)
# "segments that have the tonic as the max pitch and that overlap the start of the <units>"
# (have_pitch_max() is imported from selection.py)
segs = audiofile.analysis.segments.that(have_pitch_max(tonic)).that(overlap_starts_of(chunks))
# "<units> that begin with the above-found segments"
outchunks = chunks.that(overlap_ends_of(segs))
out = audio.getpieces(audiofile, outchunks)
out.encode(outputFile)
def main(fileOne, fileTwo, outBeat, outMaster):
audioOne = audio.LocalAudioFile(fileOne)
master = audio.AudioQuantum(start=0.0, duration=20.0, source=audioOne)
master.encode(outMaster)
audioTwo = audio.LocalAudioFile(fileTwo)
sample_rate = audioOne.sampleRate
num_channels = audioOne.numChannels
out_shape = (len(audioOne)+100000,num_channels)
tonic = audioOne.analysis.key['value']
chunks = audioTwo.analysis.__getattribute__("beats")
segs = audioTwo.analysis.segments.that(have_pitch_max(tonic)).that(overlap_starts_of(chunks))
outchunks = chunks.that(overlap_ends_of(segs))
out = outchunks.render()
out.encode(outBeat)
for i in range(numfiles-1):
try:
audioOne = auds[i]
#audioOne = audio.LocalAudioFile("mp3/"+files[i])
master = audio.AudioQuantum(start=15.0, duration=45.0, source=audioOne)
print "Building master mp3 "+str(i)
master.encode("f/"+str(i)+".mp3")
audioTwo = auds[i+1]
#audioTwo = audio.LocalAudioFile("mp3/"+files[i+1])
sample_rate = audioOne.sampleRate
num_channels = audioOne.numChannels
out_shape = (len(audioOne)+100000,num_channels)
tonic = audioOne.analysis.key['value']
chunks = audioTwo.analysis.__getattribute__("beats")
segs = audioTwo.analysis.segments.that(have_pitch_max(tonic)).that(overlap_starts_of(chunks))
outchunks = chunks.that(overlap_ends_of(segs))
out = outchunks.render()
print "Building beat mp3 "+str(i)
out.encode("f/"+str(i)+".beat.mp3")
os.system("python drums.py f/"+str(i)+".mp3 f/"+str(i)+".beat.mp3 f/"+str(i)+".mix.mp3 64 4 0.2")
except:
print "Failed to build "+str(i)+": "+sys.exc_info()[0]
