DeepSpeech/bin/import_ldc93s1.py

29 lines
1.2 KiB
Python
Executable File

#!/usr/bin/env python
from __future__ import absolute_import, division, print_function
# Make sure we can import stuff from util/
# This script needs to be run from the root of the DeepSpeech repository
import sys
import os
sys.path.insert(1, os.path.join(sys.path[0], '..'))
import pandas
from util.downloader import maybe_download
def _download_and_preprocess_data(data_dir):
# Conditionally download data
LDC93S1_BASE = "LDC93S1"
LDC93S1_BASE_URL = "https://catalog.ldc.upenn.edu/desc/addenda/"
local_file = maybe_download(LDC93S1_BASE + ".wav", data_dir, LDC93S1_BASE_URL + LDC93S1_BASE + ".wav")
trans_file = maybe_download(LDC93S1_BASE + ".txt", data_dir, LDC93S1_BASE_URL + LDC93S1_BASE + ".txt")
with open(trans_file, "r") as fin:
transcript = ' '.join(fin.read().strip().lower().split(' ')[2:]).replace('.', '')
df = pandas.DataFrame(data=[(os.path.abspath(local_file), os.path.getsize(local_file), transcript)],
columns=["wav_filename", "wav_filesize", "transcript"])
df.to_csv(os.path.join(data_dir, "ldc93s1.csv"), index=False)
if __name__ == "__main__":
_download_and_preprocess_data(sys.argv[1])