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Add conversion to 1 channel 16kHz

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This commit is contained in:
Joseph Keshet
2016-07-04 12:23:25 +03:00
parent c49fb62c4f
commit 5775274a42
1 changed files with 4 additions and 1 deletions
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extract_features.py
+4 -1
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@@ -13,6 +13,7 @@ from copy import deepcopy
from scipy.fftpack import fft, ifft from scipy.fftpack import fft, ifft
from scikits.talkbox.linpred import lpc from scikits.talkbox.linpred import lpc
import shutil import shutil
from helpers.utilities import *
epsilon = 0.0000000001 epsilon = 0.0000000001
prefac = .97 prefac = .97
@@ -263,7 +264,9 @@ def build_single_feature_row(data, Atal):
def create_features(input_wav_filename, feature_filename, begin=None, end=None, Atal=False): def create_features(input_wav_filename, feature_filename, begin=None, end=None, Atal=False):
X = build_data(input_wav_filename, begin, end) tmp_wav16_filename = generate_tmp_filename("wav")
easy_call("sox " + input_wav_filename + " -c 1 -r 16000 " + tmp_wav16_filename)
X = build_data(tmp_wav16_filename, begin, end)
if begin is not None and end is not None: if begin is not None and end is not None:
arr = [input_wav_filename] arr = [input_wav_filename]
arr.extend(build_single_feature_row(X, Atal)) arr.extend(build_single_feature_row(X, Atal))