Example #1
0
	def analyze(self, aiff_file=None, resolution_hz = 5.0):
		aiff_file = aiff_file or self.aiff_file
		self.analysis = analyze_aiff(self.aiff_file)#, resolution_hz)
		self.original_partials = self.analysis#store a copy of the original analysis data
		loris.exportSdif(aiff_file[:-4]+'.sdif', self.analysis)
#
#	analyze clarinet tone
#
print 'analyzing clarinet 4G# (%s)' % time.ctime(time.time())
a = loris.Analyzer( 390 )
a.setFreqDrift( 30 )
a.setAmpFloor( -80 )

cf = loris.AiffFile( os.path.join(path, 'clarinet.aiff') )
v = cf.samples()
samplerate = cf.sampleRate()

clar = a.analyze( v, samplerate )

print 'checking SDIF export/import'
loris.exportSdif( 'clarinet.pytest.sdif', clar )
clar = loris.importSdif( 'clarinet.pytest.sdif' )

try:
	print 'making a bogus attempt at writing an Spc file'
	print 'WARNING: this will fail because the Partials are unchannelized'
	loris.exportSpc( 'bad_spc_file.pytest.spc', clar, 90 )
except:
	import sys
	print 'caught:', sys.exc_type, sys.exc_value

loris.channelize( clar, loris.createFreqReference( clar, 415*.8, 415*1.2 ), 1 )
loris.distill( clar )

# just for fun, print out the average 
# frequency of the first partial in the
Example #3
0
#
#   analyze clarinet tone
#
print 'analyzing clarinet 4G# (%s)' % time.ctime(time.time())
a = loris.Analyzer(390)
a.setFreqDrift(30)
a.setAmpFloor(-80)

cf = loris.AiffFile(os.path.join(path, 'clarinet.aiff'))
v = cf.samples()
samplerate = cf.sampleRate()

clar = a.analyze(v, samplerate)

print 'checking SDIF export/import'
loris.exportSdif('clarinet.pytest.sdif', clar)
clar = loris.importSdif('clarinet.pytest.sdif')

try:
    print 'making a bogus attempt at writing an Spc file --'
    print 'this will fail because the Partials are unchannelized'
    loris.exportSpc('bad_spc_file.pytest.spc', clar, 90)
except:
    import sys
    print 'caught:', sys.exc_type
    print 'error is:', sys.exc_value
    print 'OK, moving on!'

loris.channelize(clar, 415)
loris.distill(clar)
Example #4
0
loris.dilate( clar, clar_times, tgt_times )
print 'cello times:', cel_times
loris.dilate( cel, cel_times, 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, 16 )
fname = 'flute.dilated.sdif'
print 'exporting sdif file:', fname, '(%s)' % time.ctime(time.time())
loris.exportSdif( fname, flut )

fname = 'clar.dilated.aiff'
print 'synthesizing', fname, '(%s)' % time.ctime(time.time())
loris.exportAiff( fname, loris.synthesize( clar, samplerate ), samplerate, 16 )
fname = 'clarinet.dilated.sdif'
print 'exporting sdif file:', fname, '(%s)' % time.ctime(time.time())
loris.exportSdif( fname, clar )

fname = 'cello.dilated.aiff'
print 'synthesizing', fname, '(%s)' % time.ctime(time.time())
loris.exportAiff( fname, loris.synthesize( cel, samplerate ), samplerate, 16 )
fname = 'cello.dilated.sdif'
print 'exporting sdif file:', fname, '(%s)' % time.ctime(time.time())
loris.exportSdif( fname, cel )
Example #5
0
loris.dilate(clar, clar_times, tgt_times)
print 'cello times:', cel_times
loris.dilate(cel, cel_times, 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, 16)
fname = 'flute.dilated.sdif'
print 'exporting sdif file:', fname, '(%s)' % time.ctime(time.time())
loris.exportSdif(fname, flut)

fname = 'clar.dilated.aiff'
print 'synthesizing', fname, '(%s)' % time.ctime(time.time())
loris.exportAiff(fname, loris.synthesize(clar, samplerate), samplerate, 16)
fname = 'clarinet.dilated.sdif'
print 'exporting sdif file:', fname, '(%s)' % time.ctime(time.time())
loris.exportSdif(fname, clar)

fname = 'cello.dilated.aiff'
print 'synthesizing', fname, '(%s)' % time.ctime(time.time())
loris.exportAiff(fname, loris.synthesize(cel, samplerate), samplerate, 16)
fname = 'cello.dilated.sdif'
print 'exporting sdif file:', fname, '(%s)' % time.ctime(time.time())
loris.exportSdif(fname, cel)