[examples] Move examples to top level. Update examples so file paths can be specified on the command line.

1 files changed, 22 insertions, 0 deletions

diff --git a/examples/plotpeaks.py b/examples/plotpeaks.py
new file mode 100644
index 0000000..ef2a1a4
--- /dev/null
+++ b/examples/plotpeaks.py
@@ -0,0 +1,22 @@
+import sys
+import simpl
+import matplotlib.pyplot as plt
+
+usage = 'Usage: python {0} <wav file>'.format(__file__)
+if len(sys.argv) != 2:
+    print usage
+    sys.exit(1)
+
+audio = simpl.read_wav(sys.argv[1])[0]
+
+# take just a few frames
+audio = audio[len(audio) / 2:(len(audio) / 2) + 4096]
+
+# peak detection using the SndObj library
+pd = simpl.SndObjPeakDetection()
+pd.max_peaks = 20
+peaks = pd.find_peaks(audio)
+
+# plot peaks using matplotlib
+simpl.plot.plot_peaks(peaks)
+plt.show()