blob: ef2a1a426e220aca0fe75db225d4e4a7146424ce (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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()
|