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#!/usr/bin/python3
# -*- coding: utf-8 -*-
import argparse
from pathlib import Path
import numpy as np
from python_speech_features import sigproc
from scipy.io import wavfile
from tqdm import tqdm
from project_settings import project_path
area_code = 1
def get_args():
parser = argparse.ArgumentParser()
parser.add_argument(
"--segmented_dir",
default=(project_path / "data/2s_wav/{area_code}".format(area_code=area_code)).as_posix(),
type=str
)
parser.add_argument(
"--templates_dir",
default=(project_path / "data/early_media_template/{area_code}".format(area_code=area_code)).as_posix(),
type=str
)
parser.add_argument(
"--wav_dir",
default=(project_path / "data/wav/{area_code}".format(area_code=area_code)).as_posix(),
type=str
)
parser.add_argument("--win_size", default=2.0, type=float)
parser.add_argument("--win_len", default=2.0, type=float)
args = parser.parse_args()
return args
def main():
args = get_args()
segmented_dir = Path(args.segmented_dir)
templates_dir = Path(args.templates_dir)
wav_dir = Path(args.wav_dir)
segmented_dir.mkdir(parents=True, exist_ok=True)
templates_dir.mkdir(parents=True, exist_ok=True)
for filename in tqdm(wav_dir.glob("*/*.wav")):
# print(filename)
sample_rate, signal = wavfile.read(filename)
if len(signal) < args.win_size * sample_rate:
continue
frames = sigproc.framesig(
sig=signal,
frame_len=args.win_size * sample_rate,
frame_step=args.win_len * sample_rate,
# winfunc=np.hamming
)
for j, frame in enumerate(frames):
to_filename = segmented_dir / "{}_{}.wav".format(filename.stem, j)
frame = np.array(frame, dtype=np.int16)
wavfile.write(
filename=to_filename,
rate=sample_rate,
data=frame
)
return
if __name__ == '__main__':
main()
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