pythonAudioMeasurements/tests.py at master · davidbramsay/pythonAudioMeasurements · GitHub

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import audioSample
import numpy as np
# from pythonAudioMeasurements.audioPlayer import audioPlayer
# from pythonAudioMeasurements.audioMeasure import audioMeasure
from scipy.signal import convolve
import matplotlib.pyplot as plt


fs = 441.e3
n = np.arange(1000)
s_1 = np.sin(np.pi*2*n/100)
s_1 = np.append(s_1, np.zeros(500))
s_1_f = np.fft.fft(s_1)
conv = np.zeros(1000)
conv[50] = 1

# result = fftconvolve(conv, s_1, "same")
result = convolve(conv, s_1, "full")[:len(s_1)]
#result = np.fft.ifft(s_1_f * np.fft.fft(conv))

plt.figure()
plt.plot(s_1)
plt.plot(result)
plt.show()


# a = audioMeasure(channels=1)
# a.pinkNoiseLoop(samples=8192, repetitions=20)
# a.setVolLinearity()
# a.setRepeatsSNR(repeats=[10, 15, 20, 25, 30, 35, 40, 45, 50])
# a.testAllChannels()
# a.calcTF()
# print '----'
# a.plotImpulseResp()
# a.plotFreqResp()

# a = audioPlayer(Fs=44100)
# a.setVolume(-20)
# print a.playAudio(audioToPlay=np.random.random(44100))
# print a._volume
# print a._rawaudio
# a.setAudio(np.random.random(44100))
# print a._volume
# a.setAudio(np.random.random(44100))
# print a._volume
# a.setAudio(np.random.random(44100), keepPreviousVol=True)
# print a._volume
# a.normalize()
# print a._volume
# print a.measureChannel()
# print '-'*20
# print a.measureChannel(audioToPlay=np.random.random(44100), useVolume=False)
# a.setVolume(-6)
# print '-'*20
# print a.measureChannel(audioToPlay=np.random.random(44100), normalizeTestSignal=True)
# a.setVolume(-12)
# print '-'*20
# print a.measureChannel(audioToPlay=np.random.random(44100), useVolume=False)
# a.setVolume(-18)
# print '-'*20
# print a.measureChannel(audioToPlay=np.random.random(44100), normalizeTestSignal=True)
# print '-'*20
# print a.measureChannel(normalizeTestSignal=True)
# print a.measureChannel(useVolume=False)
# print a.measureChannel()
# '''


# '''
# sig =np.random.random(44100)
# a = audioSample.audioSample(sig)
# a.removeDCOffset()
# a.plot()
# a.setVolume(-6)
# a.plot()
# a.PDF()
# a.toFreq()
# a.zeroPadEnd()
# a.toTime()
# a.setVolume(-12)
# a.plot()
# a.setVolume(-18)
# a.plot()
# '''


# '''
# a= audioSample.audioSample([1,2,1,0,-1,-2,1], 't',Fs=44100)

# print a.data
# print a.fs
# print a.type

# print '-'
# a.fs = 32000
# print '-'
# a.type = 't'
# a.type = 'db'
# a.type = 'f'
# print '-'
# a.PDF()
# a.data = [1,2]
# '''