Mercurial > hg > swc-python-audio

changeset 2:9885d7b7aca0

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Plotting the new signal using pylab/matplotlib.
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Mon, 11 Feb 2013 16:36:10 +0000
parents 003b86796d1b
children 162d64fb861c
files audio_io.py
diffstat 1 files changed, 14 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/audio_io.py	Mon Feb 11 16:00:03 2013 +0000
+++ b/audio_io.py	Mon Feb 11 16:36:10 2013 +0000
@@ -1,5 +1,6 @@
-# imports audiolab
 import scikits.audiolab as audiolab
+import pylab as plt
+import numpy as np
 
 # create Sndfile instance with our example audio file
 f = audiolab.Sndfile('viola.wav', 'r')
@@ -53,6 +54,13 @@
 new_samples = samples[0:new_nsamples]
 
 #################
+## Plotting the new signal using pylab/matplotlib
+#################
+
+plt.plot(new_samples)
+plt.show()
+
+#################
 ## Writing the shorter audio to a new file
 #################
 
@@ -68,3 +76,8 @@
 
 # close the audio file
 f.close()
+
+
+
+
+