ref: 4120fbc9a4fe29d1d7c2e25be6212014dd790086
parent: 416ddd1268856448ec2b79b189b8c0f9d6347974
author: Paul Brossier <piem@piem.org>
date: Sun May 15 23:16:00 EDT 2016
python/demos: python3 and double precision compatibility
--- a/python/demos/demo_bpm_extract.py
+++ b/python/demos/demo_bpm_extract.py
@@ -45,8 +45,14 @@
break
# Convert to periods and to bpm
- bpms = 60./diff(beats)
- b = median(bpms)
+ if len(beats) > 1:
+ if len(beats) < 4:
+ print("few beats found in {:s}".format(path))+ bpms = 60./diff(beats)
+ b = median(bpms)
+ else:
+ b = 0
+ print("not enough beats found in {:s}".format(path))return b
if __name__ == '__main__':
@@ -53,4 +59,4 @@
import sys
for f in sys.argv[1:]:
bpm = get_file_bpm(f)
- print "%6s" % ("%.2f" % bpm), f+ print("{:6s} {:s}".format("{:2f}".format(bpm), f))--- a/python/demos/demo_filterbank.py
+++ b/python/demos/demo_filterbank.py
@@ -19,7 +19,7 @@
f.set_coeffs(coeffs)
-times = vstack([arange(win_s / 2 + 1) * samplerate / win_s] * n_filters)
+times = vstack([arange(win_s // 2 + 1) * samplerate / win_s] * n_filters)
title('Bank of filters built using a simple list of boundaries\nThe middle band has been amplified by 2.')loglog(times.T, f.get_coeffs().T, '.-')
xlim([50, samplerate/2])
--- a/python/demos/demo_filterbank_slaney.py
+++ b/python/demos/demo_filterbank_slaney.py
@@ -11,7 +11,7 @@
from pylab import loglog, title, show, xlim, ylim, xlabel, ylabel
xlim([0,samplerate / 2])
-times = vstack([arange(win_s / 2 + 1) * samplerate / win_s] * 40)
+times = vstack([arange(win_s // 2 + 1) * samplerate / win_s] * 40)
loglog(times.T, f.get_coeffs().T, '.-')
title('Mel frequency bands coefficients')xlim([100, 7500])
--- a/python/demos/demo_filterbank_triangle_bands.py
+++ b/python/demos/demo_filterbank_triangle_bands.py
@@ -16,7 +16,7 @@
subplot(211)
title('Examples of filterbank built with set_triangle_bands and set_coeffs')-times = vstack([arange(win_s / 2 + 1) * samplerate / win_s] * n_filters)
+times = vstack([arange(win_s // 2 + 1) * samplerate / win_s] * n_filters)
loglog(times.T, f.get_coeffs().T, '.-')
xlim([50, samplerate/2])
ylim([1.0e-6, 2.0e-2])
@@ -37,7 +37,7 @@
f.set_coeffs(coeffs)
subplot(212)
-times = vstack([arange(win_s / 2 + 1) * samplerate / win_s] * n_filters)
+times = vstack([arange(win_s // 2 + 1) * samplerate / win_s] * n_filters)
loglog(times.T, f.get_coeffs().T, '.-')
xlim([50, samplerate/2])
ylim([1.0e-6, 2.0e-2])
--- a/python/demos/demo_mel-energy.py
+++ b/python/demos/demo_mel-energy.py
@@ -5,10 +5,10 @@
from numpy import vstack, zeros
win_s = 512 # fft size
-hop_s = win_s / 4 # hop size
+hop_s = win_s // 4 # hop size
if len(sys.argv) < 2:
- print "Usage: %s <filename> [samplerate]" % sys.argv[0]
+ print("Usage: %s <filename> [samplerate]" % sys.argv[0])sys.exit(1)
filename = sys.argv[1]
@@ -34,14 +34,14 @@
samples, read = s()
fftgrain = pv(samples)
new_energies = f(fftgrain)
- print '%f' % (total_frames / float(samplerate) ),
- print ' '.join(['%f' % b for b in new_energies])
+ timestr = '%f' % (total_frames / float(samplerate) )
+ print('{:s} {:s}'.format(timestr, ' '.join(['%f' % b for b in new_energies])))energies = vstack( [energies, new_energies] )
total_frames += read
if read < hop_s: break
if 1:
- print "done computing, now plotting"
+ print("done computing, now plotting")import matplotlib.pyplot as plt
from demo_waveform_plot import get_waveform_plot
from demo_waveform_plot import set_xlabels_sample2time
--- a/python/demos/demo_mfcc.py
+++ b/python/demos/demo_mfcc.py
@@ -5,13 +5,13 @@
from numpy import vstack, zeros
win_s = 512 # fft size
-hop_s = win_s / 4 # hop size
+hop_s = win_s // 4 # hop size
n_filters = 40 # must be 40 for mfcc
n_coeffs = 13
samplerate = 44100
if len(sys.argv) < 2:
- print "Usage: %s <source_filename>" % sys.argv[0]
+ print("Usage: %s <source_filename>" % sys.argv[0])sys.exit(1)
source_filename = sys.argv[1]
--- a/python/demos/demo_onset.py
+++ b/python/demos/demo_onset.py
@@ -4,10 +4,10 @@
from aubio import source, onset
win_s = 512 # fft size
-hop_s = win_s / 2 # hop size
+hop_s = win_s // 2 # hop size
if len(sys.argv) < 2:
- print "Usage: %s <filename> [samplerate]" % sys.argv[0]
+ print("Usage: %s <filename> [samplerate]" % sys.argv[0])sys.exit(1)
filename = sys.argv[1]
@@ -28,7 +28,7 @@
while True:
samples, read = s()
if o(samples):
- print "%f" % o.get_last_s()
+ print("%f" % o.get_last_s())onsets.append(o.get_last())
total_frames += read
if read < hop_s: break
--- a/python/demos/demo_onset_plot.py
+++ b/python/demos/demo_onset_plot.py
@@ -5,10 +5,10 @@
from numpy import hstack, zeros
win_s = 512 # fft size
-hop_s = win_s / 2 # hop size
+hop_s = win_s // 2 # hop size
if len(sys.argv) < 2:
- print "Usage: %s <filename> [samplerate]" % sys.argv[0]
+ print("Usage: %s <filename> [samplerate]" % sys.argv[0])sys.exit(1)
filename = sys.argv[1]
@@ -34,10 +34,10 @@
while True:
samples, read = s()
if o(samples):
- print "%f" % (o.get_last_s())
+ print("%f" % (o.get_last_s()))onsets.append(o.get_last())
# keep some data to plot it later
- new_maxes = (abs(samples.reshape(hop_s/downsample, downsample))).max(axis=0)
+ new_maxes = (abs(samples.reshape(hop_s//downsample, downsample))).max(axis=0)
allsamples_max = hstack([allsamples_max, new_maxes])
desc.append(o.get_descriptor())
tdesc.append(o.get_thresholded_descriptor())
@@ -61,9 +61,10 @@
plt1.xaxis.set_visible(False)
plt1.yaxis.set_visible(False)
desc_times = [ float(t) * hop_s / samplerate for t in range(len(desc)) ]
- desc_plot = [d / max(desc) for d in desc]
+ desc_max = max(desc) if max(desc) != 0 else 1.
+ desc_plot = [d / desc_max for d in desc]
plt2.plot(desc_times, desc_plot, '-g')
- tdesc_plot = [d / max(desc) for d in tdesc]
+ tdesc_plot = [d / desc_max for d in tdesc]
for stamp in onsets:
stamp /= float(samplerate)
plt2.plot([stamp, stamp], [min(tdesc_plot), max(desc_plot)], '-r')
--- a/python/demos/demo_pitch.py
+++ b/python/demos/demo_pitch.py
@@ -4,17 +4,17 @@
from aubio import source, pitch
if len(sys.argv) < 2:
- print "Usage: %s <filename> [samplerate]" % sys.argv[0]
+ print("Usage: %s <filename> [samplerate]" % sys.argv[0])sys.exit(1)
filename = sys.argv[1]
downsample = 1
-samplerate = 44100 / downsample
+samplerate = 44100 // downsample
if len( sys.argv ) > 2: samplerate = int(sys.argv[2])
-win_s = 4096 / downsample # fft size
-hop_s = 512 / downsample # hop size
+win_s = 4096 // downsample # fft size
+hop_s = 512 // downsample # hop size
s = source(filename, samplerate, hop_s)
samplerate = s.samplerate
@@ -36,7 +36,7 @@
#pitch = int(round(pitch))
confidence = pitch_o.get_confidence()
#if confidence < 0.8: pitch = 0.
- #print "%f %f %f" % (total_frames / float(samplerate), pitch, confidence)
+ print("%f %f %f" % (total_frames / float(samplerate), pitch, confidence))pitches += [pitch]
confidences += [confidence]
total_frames += read
--- a/python/demos/demo_pitch_sinusoid.py
+++ b/python/demos/demo_pitch_sinusoid.py
@@ -22,7 +22,7 @@
sin_length = (samplerate * 10) % 512 * 512
freqs = np.zeros(sin_length)
-partition = sin_length / 8
+partition = sin_length // 8
pointer = 0
pointer += partition
@@ -44,9 +44,10 @@
for method in methods:
p = aubio.pitch(method, buf_size, hop_size, samplerate)
cands[method] = run_pitch(p, a)
- print cands[method]
+ print(method)
+ print(cands[method])
-print "done computing"
+print("done computing")if 1:
import matplotlib.pyplot as plt
--- a/python/demos/demo_pysoundcard_record.py
+++ b/python/demos/demo_pysoundcard_record.py
@@ -10,7 +10,6 @@
duration = 5 # in seconds
s = Stream(blocksize = hop_size, channels = 1)
g = sink(sink_path, samplerate = int(s.samplerate))
- print s.channels
s.start()
total_frames = 0
@@ -22,7 +21,8 @@
g(mono_vec, hop_size)
total_frames += hop_size
except KeyboardInterrupt:
- print "stopped after", "%.2f seconds" % (total_frames / s.samplerate)
+ duration = total_frames / float(s.samplerate)
+ print("stopped after %.2f seconds" % duration)s.stop()
if __name__ == '__main__':
--- a/python/demos/demo_simple_robot_voice.py
+++ b/python/demos/demo_simple_robot_voice.py
@@ -5,7 +5,7 @@
if __name__ == '__main__':
if len(sys.argv) < 2:
- print 'usage: %s <inputfile> <outputfile>' % sys.argv[0]
+ print('usage: %s <inputfile> <outputfile>' % sys.argv[0])sys.exit(1)
samplerate = 44100
f = source(sys.argv[1], samplerate, 256)
@@ -13,7 +13,7 @@
total_frames, read = 0, 256
win_s = 512 # fft size
- hop_s = win_s / 2 # hop size
+ hop_s = win_s // 2 # hop size
pv = pvoc(win_s, hop_s) # phase vocoder
while read:
@@ -25,4 +25,5 @@
g(new_samples, read) # write to output
total_frames += read
- print "wrote", total_frames, "from", f.uri, "to", g.uri
+ format_str = "read {:d} samples from {:s}, written to {:s}"+ print(format_str.format(total_frames, f.uri, g.uri))
--- a/python/demos/demo_simple_spectral_weighting.py
+++ b/python/demos/demo_simple_spectral_weighting.py
@@ -13,7 +13,7 @@
if __name__ == '__main__':
if len(sys.argv) < 2:
- print 'usage: %s <inputfile> <outputfile>' % sys.argv[0]
+ print('usage: %s <inputfile> <outputfile>' % sys.argv[0])sys.exit(1)
samplerate = 0
if len(sys.argv) > 3: samplerate = int(sys.argv[3])
@@ -22,7 +22,7 @@
g = sink(sys.argv[2], samplerate)
win_s = 512 # fft size
- hop_s = win_s / 2 # hop size
+ hop_s = win_s // 2 # hop size
pv = pvoc(win_s, hop_s) # phase vocoder
# spectral weighting vector
@@ -30,7 +30,7 @@
.8 * hanningz(80)[40:],
zeros( 50 ),
1.3 * hanningz(100),
- zeros (win_s / 2 + 1 - 40 - 50 - 100),
+ zeros (win_s // 2 + 1 - 40 - 50 - 100),
] )
if 0:
@@ -52,4 +52,5 @@
g(new_samples, read)
total_frames += read
- print "read", total_frames / float(samplerate), "seconds from", f.uri
+ duration = total_frames / float(samplerate)
+ print("read {:.3f}s from {:s}".format(duration, f.uri))--- a/python/demos/demo_sink.py
+++ b/python/demos/demo_sink.py
@@ -5,7 +5,7 @@
if __name__ == '__main__':
if len(sys.argv) < 3:
- print 'usage: %s <inputfile> <outputfile> [samplerate] [hop_size]' % sys.argv[0]
+ print('usage: %s <inputfile> <outputfile> [samplerate] [hop_size]' % sys.argv[0])sys.exit(1)
if len(sys.argv) > 3: samplerate = int(sys.argv[3])
@@ -22,8 +22,10 @@
vec, read = f()
g(vec, read)
total_frames += read
- print "wrote", "%.2fs" % (total_frames / float(samplerate) ),
- print "(", total_frames, "frames", "in",- print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
- print "from", f.uri,
- print "to", g.uri
+ outstr = "wrote %.2fs" % (total_frames / float(samplerate))
+ outstr += " (%d frames in" % total_frames
+ outstr += " %d blocks" % (total_frames // f.hop_size)
+ outstr += " at %dHz)" % f.samplerate
+ outstr += " from " + f.uri
+ outstr += " to " + g.uri
+ print(outstr)
--- a/python/demos/demo_sink_create_woodblock.py
+++ b/python/demos/demo_sink_create_woodblock.py
@@ -2,11 +2,11 @@
import sys
from math import pi, e
-from aubio import sink
+from aubio import sink, float_type
from numpy import arange, sin, exp, zeros
if len(sys.argv) < 2:
- print 'usage: %s <outputfile> [samplerate]' % sys.argv[0]
+ print('usage: %s <outputfile> [samplerate]' % sys.argv[0])sys.exit(1)
samplerate = 44100 # samplerate in Hz
@@ -25,9 +25,9 @@
period = float(samplerate) / pitch
# create a sine lookup table
tablelen = 1000
-sinetable = arange(tablelen + 1, dtype = 'float32')
+sinetable = arange(tablelen + 1, dtype = float_type)
sinetable = 0.7 * sin(twopi * sinetable/tablelen)
-sinetone = zeros((duration,), dtype = 'float32')
+sinetone = zeros((duration,), dtype = float_type)
# compute sinetone at floating point period
for i in range(duration):
@@ -39,7 +39,7 @@
sinetone[i] = a + frac * (b -a)
# apply some envelope
-float_ramp = arange(duration, dtype = 'float32')
+float_ramp = arange(duration, dtype = float_type)
sinetone *= exp( - e * float_ramp / duration / decay)
sinetone[:attack] *= exp( e * ( float_ramp[:attack] / attack - 1 ) )
--- a/python/demos/demo_sink_multi.py
+++ b/python/demos/demo_sink_multi.py
@@ -5,7 +5,7 @@
if __name__ == '__main__':
if len(sys.argv) < 3:
- print 'usage: %s <inputfile> <outputfile> [samplerate] [hop_size]' % sys.argv[0]
+ print('usage: %s <inputfile> <outputfile> [samplerate] [hop_size]' % sys.argv[0])sys.exit(1)
if len(sys.argv) > 3: samplerate = int(sys.argv[3])
@@ -22,10 +22,11 @@
vec, read = f.do_multi()
g.do_multi(vec, read)
total_frames += read
- print "wrote", "%.2fs" % (total_frames / float(samplerate) ),
- print "(", total_frames, "frames", "in",- print total_frames / f.hop_size, "blocks",
- print "of", f.channels, "channels",
- print "at", "%dHz" % f.samplerate, ")",
- print "from", f.uri,
- print "to", g.uri
+ outstr = "wrote %.2fs" % (total_frames / float(samplerate))
+ outstr += " (%d frames in" % total_frames
+ outstr += " %d blocks" % (total_frames // f.hop_size)
+ outstr += " of %d channels" % f.channels
+ outstr += " at %dHz)" % f.samplerate
+ outstr += " from " + f.uri
+ outstr += " to " + g.uri
+ print(outstr)
--- a/python/demos/demo_slicing.py
+++ b/python/demos/demo_slicing.py
@@ -6,7 +6,7 @@
if __name__ == '__main__':
if len(sys.argv) < 3:
- print 'usage: %s <inputfile> <duration>' % sys.argv[0]
+ print('usage: %s <inputfile> <duration>' % sys.argv[0])sys.exit(1)
source_file = sys.argv[1]
duration = float(sys.argv[2])
@@ -44,7 +44,8 @@
total_frames_written += read
total_duration = total_frames_written / float(samplerate)
slice_n += 1
- print 'created %(slice_n)s slices from %(source_base_name)s%(source_ext)s' % locals(),
- print ' (total duration %(total_duration).2fs)' % locals()
+ outstr = 'created %(slice_n)s slices from %(source_base_name)s%(source_ext)s' % locals()
+ outstr += ' (total duration %(total_duration).2fs)' % locals()
+ print(outstr)
# close source and sink files
del f, g
--- a/python/demos/demo_source.py
+++ b/python/demos/demo_source.py
@@ -5,7 +5,7 @@
if __name__ == '__main__':
if len(sys.argv) < 2:
- print 'usage: %s <inputfile> [samplerate] [hop_size]' % sys.argv[0]
+ print('usage: %s <inputfile> [samplerate] [hop_size]' % sys.argv[0])sys.exit(1)
samplerate = 0
hop_size = 256
@@ -20,7 +20,9 @@
vec, read = f()
total_frames += read
if read < f.hop_size: break
- print "read", "%.2fs" % (total_frames / float(samplerate) ),
- print "(", total_frames, "frames", "in",- print total_frames / f.hop_size, "blocks", "at", "%dHz" % f.samplerate, ")",
- print "from", f.uri
+ outstr = "read %.2fs" % (total_frames / float(samplerate))
+ outstr += " (%d frames in" % total_frames
+ outstr += " %d blocks" % (total_frames // f.hop_size)
+ outstr += " at %dHz)" % f.samplerate
+ outstr += " from " + f.uri
+ print(outstr)
--- a/python/demos/demo_specdesc.py
+++ b/python/demos/demo_specdesc.py
@@ -1,14 +1,14 @@
#! /usr/bin/env python
import sys
+import numpy as np
from aubio import fvec, source, pvoc, specdesc
-from numpy import hstack
win_s = 512 # fft size
-hop_s = win_s / 4 # hop size
+hop_s = win_s // 4 # hop size
if len(sys.argv) < 2:
- print "Usage: %s <filename> [samplerate]" % sys.argv[0]
+ print("Usage: %s <filename> [samplerate]" % sys.argv[0])sys.exit(1)
filename = sys.argv[1]
@@ -30,7 +30,7 @@
for method in methods:
cands = []
- all_descs[method] = fvec(0)
+ all_descs[method] = np.array([])
o[method] = specdesc(method, win_s)
total_frames = 0
@@ -39,17 +39,17 @@
while True:
samples, read = s()
fftgrain = pv(samples)
- #print "%f" % ( total_frames / float(samplerate) ),
+ #outstr = "%f" % ( total_frames / float(samplerate) )
for method in methods:
specdesc_val = o[method](fftgrain)[0]
- all_descs[method] = hstack ( [all_descs[method], specdesc_val] )
- #print "%f" % specdesc_val,
+ all_descs[method] = np.append(all_descs[method], specdesc_val)
+ #outstr += " %f" % specdesc_val
+ #print(outstr)
total_frames += read
if read < hop_s: break
if 1:
- print "done computing, now plotting"
+ print("done computing, now plotting")import matplotlib.pyplot as plt
from demo_waveform_plot import get_waveform_plot
from demo_waveform_plot import set_xlabels_sample2time
--- a/python/demos/demo_spectrogram.py
+++ b/python/demos/demo_spectrogram.py
@@ -1,19 +1,19 @@
#! /usr/bin/env python
import sys, os.path
-from aubio import pvoc, source
+from aubio import pvoc, source, float_type
from numpy import zeros, log10, vstack
import matplotlib.pyplot as plt
def get_spectrogram(filename, samplerate = 0):
win_s = 512 # fft window size
- hop_s = win_s / 2 # hop size
- fft_s = win_s / 2 + 1 # spectrum bins
+ hop_s = win_s // 2 # hop size
+ fft_s = win_s // 2 + 1 # spectrum bins
a = source(filename, samplerate, hop_s) # source file
if samplerate == 0: samplerate = a.samplerate
pv = pvoc(win_s, hop_s) # phase vocoder
- specgram = zeros([0, fft_s], dtype='float32') # numpy array to store spectrogram
+ specgram = zeros([0, fft_s], dtype=float_type) # numpy array to store spectrogram
# analysis
while True:
@@ -28,8 +28,8 @@
# show axes in Hz and seconds
time_step = hop_s / float(samplerate)
total_time = len(specgram) * time_step
- print "total time: %0.2fs" % total_time,
- print ", samplerate: %.2fkHz" % (samplerate / 1000.)
+ outstr = "total time: %0.2fs" % total_time
+ print(outstr + ", samplerate: %.2fkHz" % (samplerate / 1000.))
n_xticks = 10
n_yticks = 10
@@ -65,12 +65,12 @@
if __name__ == '__main__':
if len(sys.argv) < 2:
- print "Usage: %s <filename>" % sys.argv[0]
+ print("Usage: %s <filename>" % sys.argv[0])else:
for soundfile in sys.argv[1:]:
fig = get_spectrogram(soundfile)
# display graph
- fig.show()
+ plt.show()
#outimage = os.path.basename(soundfile) + '.png'
#print ("writing: " + outimage)#plt.savefig(outimage)
--- a/python/demos/demo_tempo.py
+++ b/python/demos/demo_tempo.py
@@ -4,10 +4,10 @@
from aubio import tempo, source
win_s = 512 # fft size
-hop_s = win_s / 2 # hop size
+hop_s = win_s // 2 # hop size
if len(sys.argv) < 2:
- print "Usage: %s <filename> [samplerate]" % sys.argv[0]
+ print("Usage: %s <filename> [samplerate]" % sys.argv[0])sys.exit(1)
filename = sys.argv[1]
@@ -33,7 +33,7 @@
is_beat = o(samples)
if is_beat:
this_beat = int(total_frames - delay + is_beat[0] * hop_s)
- print "%f" % (this_beat / float(samplerate))
+ print("%f" % (this_beat / float(samplerate)))beats.append(this_beat)
total_frames += read
if read < hop_s: break
--- a/python/demos/demo_tempo_plot.py
+++ b/python/demos/demo_tempo_plot.py
@@ -4,10 +4,10 @@
from aubio import tempo, source
win_s = 512 # fft size
-hop_s = win_s / 2 # hop size
+hop_s = win_s // 2 # hop size
if len(sys.argv) < 2:
- print "Usage: %s <filename> [samplerate]" % sys.argv[0]
+ print("Usage: %s <filename> [samplerate]" % sys.argv[0])sys.exit(1)
filename = sys.argv[1]
@@ -42,8 +42,8 @@
from numpy import mean, median, diff
import matplotlib.pyplot as plt
bpms = 60./ diff(beats)
- print 'mean period:', "%.2f" % mean(bpms), 'bpm', 'median', "%.2f" % median(bpms), 'bpm'
- print 'plotting', filename
+ print('mean period: %.2fbpm, median: %.2fbpm' % (mean(bpms), median(bpms)))+ print('plotting %s' % filename)plt1 = plt.axes([0.1, 0.75, 0.8, 0.19])
plt2 = plt.axes([0.1, 0.1, 0.8, 0.65], sharex = plt1)
plt.rc('lines',linewidth='.8')@@ -75,5 +75,5 @@
plt.show()
else:
- print 'mean period:', "%.2f" % 0, 'bpm', 'median', "%.2f" % 0, 'bpm',
- print 'nothing to plot, file too short?'
+ print('mean period: %.2fbpm, median: %.2fbpm' % (0, 0))+ print('plotting %s' % filename)--- a/python/demos/demo_tss.py
+++ b/python/demos/demo_tss.py
@@ -5,12 +5,12 @@
if __name__ == '__main__':
if len(sys.argv) < 2:
- print 'usage: %s <inputfile> <outputfile_transient> <outputfile_steady>' % sys.argv[0]
+ print('usage: %s <inputfile> <outputfile_transient> <outputfile_steady>' % sys.argv[0])sys.exit(1)
samplerate = 44100
- win_s = 1024 # fft size
- hop_s = win_s / 4 # block size
+ win_s = 1024 # fft size
+ hop_s = win_s // 4 # block size
threshold = 0.5
f = source(sys.argv[1], samplerate, hop_s)
--- a/python/demos/demo_waveform_plot.py
+++ b/python/demos/demo_waveform_plot.py
@@ -21,7 +21,7 @@
while True:
samples, read = a()
# keep some data to plot it later
- new_maxes = (abs(samples.reshape(hop_s/downsample, downsample))).max(axis=0)
+ new_maxes = (abs(samples.reshape(hop_s//downsample, downsample))).max(axis=0)
allsamples_max = hstack([allsamples_max, new_maxes])
total_frames += read
if read < hop_s: break
@@ -48,7 +48,7 @@
if __name__ == '__main__':
import matplotlib.pyplot as plt
if len(sys.argv) < 2:
- print "Usage: %s <filename>" % sys.argv[0]
+ print("Usage: %s <filename>" % sys.argv[0])else:
for soundfile in sys.argv[1:]:
get_waveform_plot(soundfile)