Changeset 9f8e8a9 for python/demos

Timestamp:

Mar 6, 2013, 10:56:53 PM (11 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

129b269

Parents:

d5e846c

Message:

demos/demo_spectrogram.py: add samplerate option to spectrogram

File:

• python/demos/demo_spectrogram.py (modified) (2 diffs)

python/demos/demo_spectrogram.py

@@ -6 +6 @@
 from pylab import imshow, show, cm, axis, ylabel, xlabel, xticks, yticks
 
-def get_spectrogram(filename):
-  samplerate = 44100
+def get_spectrogram(filename, samplerate = 0):
   win_s = 512                                        # fft window size
   hop_s = win_s / 2                                  # hop size
@@ -13 +12 @@
 
   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