number_of_samples = sound_file.sampleFrames() sample_rate = sound_file.sampleRate() time_in_seconds = number_of_samples/sample_rate print 'file is '+str(time_in_seconds)+' seconds' return time_in_seconds,sample_rate def simple_morph((first_aiff, second_aiff),(naked_start,naked_end)): first_analysis = analyze_aiff(first_aiff) second_analysis = analyze_aiff(second_aiff) length_of_first = get_length_of_aiff(first_aiff)[0] length_of_second = get_length_of_aiff(second_aiff)[0] longest = max(length_of_first,length_of_second) if longest == length_of_first: loris.dilate(second_analysis,[0.,length_of_second],[0,length_of_first]) elif longest == length_of_second: loris.dilate(first_analysis,[0.,length_of_first],[0,length_of_second]) #loris.distill(first_analysis) #loris.distill(second_analysis) envelope_create = loris.BreakpointEnvelope() envelope_create.insertBreakpoint(naked_start,0) envelope_create.insertBreakpoint(longest-naked_end,1) morph = loris.morph(first_analysis,second_analysis,envelope_create,envelope_create, envelope_create) loris.crop(morph,0,longest) synth = loris.synthesize(morph, 44100) loris.exportAiff( first_aiff+'morph.aiff',synth,44100, 1, 16 ) def thin_by_duration(partialList,minimum_duration):#stolen--- iter = partialList.begin() end = partialList.end()
# frequency of the first partial in the
# flute analysis:
fund = loris.copyLabeled(flut, 1)
print "avg frequency of first distilled flute partial is", loris.weightedAvgFrequency(
fund.first())
#
# perform temporal dilation
#
flute_times = [0.4, 1.]
clar_times = [0.2, 1.]
tgt_times = [0.3, 1.2]
print 'dilating sounds to match', tgt_times, '(%s)' % time.ctime(time.time())
print 'flute times:', flute_times
loris.dilate(flut, flute_times, tgt_times)
print 'clarinet times:', clar_times
loris.dilate(clar, clar_times, tgt_times)
#
# perform morph
#
print 'morphing flute and clarinet (%s)' % time.ctime(time.time())
mf = loris.LinearEnvelope()
mf.insertBreakpoint(0.6, 0)
mf.insertBreakpoint(2, 1)
m = loris.morph(clar, flut, mf, mf, mf)
loris.exportAiff('morph.pytest.aiff', loris.synthesize(m, samplerate),
samplerate, 16)
#
# just for fun, print out the average # frequency of the first partial in the # flute analysis: fund = loris.copyLabeled( flut, 1 ); print "avg frequency of first distilled flute partial is", loris.weightedAvgFrequency( fund.first() ) # # perform temporal dilation # flute_times = [0.4, 1.] clar_times = [0.2, 1.] tgt_times = [0.3, 1.2] print 'dilating sounds to match', tgt_times, '(%s)' % time.ctime(time.time()) print 'flute times:', flute_times loris.dilate( flut, flute_times, tgt_times ) print 'clarinet times:', clar_times loris.dilate( clar, clar_times, tgt_times ) # # perform morph # print 'morphing flute and clarinet (%s)' % time.ctime(time.time()) mf = loris.BreakpointEnvelope() mf.insertBreakpoint( 0.6, 0 ) mf.insertBreakpoint( 2, 1 ) m = loris.morph( clar, flut, mf, mf, mf ) loris.exportAiff( 'morph.pytest.aiff', loris.synthesize( m, samplerate ), samplerate, 16 )
# perform temporal dilation # # Times are the beginning and end times # of the attack and the release. To change # the duration of the morph, change the # target times (tgt_times), as well as the # morphing function, mf, defined below. # flute_times = [0.175, 0.4, 2.15, 2.31] clar_times = [0., 0.185, 1.9, 2.15] cel_times = [0., 0.13, 2.55, 3.9] tgt_times = [0., 0.19, 3., 3.25] print 'dilating sounds to match', tgt_times, '(%s)' % time.ctime(time.time()) print 'flute times:', flute_times loris.dilate( flut, str(flute_times), str(tgt_times) ) print 'clarinet times:', clar_times loris.dilate( clar, str(clar_times), str(tgt_times) ) print 'cello times:', cel_times loris.dilate( cel, str(cel_times), str(tgt_times) ) # # synthesize and save dilated sources # # Save the synthesized samples files, and SDIF files # for each dilated source. # fname = 'flute.dilated.aiff' print 'synthesizing', fname, '(%s)' % time.ctime(time.time()) loris.exportAiff( fname, loris.synthesize( flut, samplerate ), samplerate, 1, 16 ) fname = 'flute.dilated.sdif'