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hotfix/deprecated_hanning #1

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8 changes: 4 additions & 4 deletions audio_tools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -797,7 +797,7 @@ def lpc_analysis(X, order=8, window_step=128, window_size=2 * 128,
for window in range(max(n_windows - 1, 1)):
wtws = int(window * window_step)
XX = X.ravel()[wtws + np.arange(window_size, dtype="int32")]
WXX = XX * sg.hanning(window_size)
WXX = XX * sg.windows.hann(window_size)
autocorr_X[window] = np.correlate(WXX, WXX, mode='full')
center = np.argmax(autocorr_X[window])
RXX = autocorr_X[window,
Expand Down Expand Up @@ -984,7 +984,7 @@ def lpc_synthesis(lp_coefficients, per_frame_gain, residual_excitation=None,
residual_excitation = np.zeros((n_excitation_points))
f, m = lpc_to_frequency(lp_coefficients, per_frame_gain)
t = np.linspace(0, 1, window_size, endpoint=False)
hanning = sg.hanning(window_size)
hanning = sg.windows.hann(window_size)
for window in range(n_windows):
window_base = window * window_step
index = window_base + np.arange(window_size)
Expand Down Expand Up @@ -1019,7 +1019,7 @@ def lpc_synthesis(lp_coefficients, per_frame_gain, residual_excitation=None,
residual_excitation[index])
synthesized[index] = np.hstack((oldbit, np.zeros(
(window_size - window_step))))
synthesized[index] += sg.hanning(window_size) * newbit
synthesized[index] += sg.windows.hann(window_size) * newbit
synthesized = sg.lfilter([1], [1, -emphasis], synthesized)
return synthesized

Expand Down Expand Up @@ -1176,7 +1176,7 @@ def sinusoid_analysis(X, input_sample_rate, resample_block=128, copy=True):
raise ValueError("Input sample rate must be a multiple of 8k!")
# Should be able to use resample... ?
# resampled_count = round(len(X) * resample_to / input_sample_rate)
# X = sg.resample(X, resampled_count, window=sg.hanning(len(X)))
# X = sg.resample(X, resampled_count, window=sg.windows.hann(len(X)))
X = sg.decimate(X, input_sample_rate // resample_to, zero_phase=True)
step_size = 2 * round(resample_block / input_sample_rate * resample_to / 2.)
a, g, e = lpc_analysis(X, order=8, window_step=step_size,
Expand Down