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Bug fixes #1

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10 changes: 5 additions & 5 deletions mn.py
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ def create_wn(samples):
Return:
xn -- monosignal of white noise (1xn numpy array)
'''
x = np.random.randn(samples)
x = np.random.randn(int(samples))
maxvalue = np.max(np.abs(x))
xn = x / maxvalue
return xn
Expand Down Expand Up @@ -190,9 +190,9 @@ def fade(monosignal,samples):
out -- faded monosignal (1xn numpy array)
'''
ramps = 0.5*(1-np.cos(2*np.pi*(np.arange(2*samples))/(2*samples-1)))
fadein = ramps[0:samples]
fadeout = ramps[samples:len(ramps)+1]
plateu = np.ones(len(monosignal)-2*samples)
fadein = ramps[0:int(samples)]
fadeout = ramps[int(samples):len(ramps)+1]
plateu = np.ones(len(monosignal)-2*int(samples))
weight = np.concatenate((fadein,plateu,fadeout))
out = weight*monosignal
return out
Expand Down Expand Up @@ -371,4 +371,4 @@ def exp_decay(monosignal, decay = 5.0, fs = 48000):
decay = np.log(0.01) / decay # decay to 0.01 (-40 dB) after decay ms
w = np.exp(decay * t)
out_signal = w * monosignal
return out_signal
return out_signal