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preprocess.py literal comparison using equals #80

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4 changes: 2 additions & 2 deletions allosaurus/pm/preprocess.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ def framesig(sig, frame_len, frame_step, dither=1.0, preemph=0.97, remove_dc_off
# check kaldi/src/feat/feature-window.h
# the last frame_len-1 points might be cutoff
padsignal = sig[:(numframes - 1) * frame_step + frame_len]
if wintype is 'povey':
if wintype == 'povey':
win = np.empty(frame_len)
for i in range(frame_len):
win[i] = (0.5 - 0.5 * np.cos(2 * np.pi / (frame_len - 1) * i)) ** 0.85
Expand Down Expand Up @@ -163,4 +163,4 @@ def do_preemphasis(signal, coeff=0.97):
:param coeff: The preemphasis coefficient. 0 is no filter, default is 0.95.
:returns: the filtered signal.
"""
return np.append((1 - coeff) * signal[0], signal[1:] - coeff * signal[:-1])
return np.append((1 - coeff) * signal[0], signal[1:] - coeff * signal[:-1])