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| #!/usr/bin/env python3 -u | |
| # Copyright (c) Facebook, Inc. and its affiliates. | |
| # | |
| # This source code is licensed under the MIT license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| import argparse | |
| import numpy as np | |
| import sys | |
| def get_parser(): | |
| parser = argparse.ArgumentParser( | |
| description="converts words to phones adding optional silences around in between words" | |
| ) | |
| parser.add_argument( | |
| "--sil-prob", | |
| "-s", | |
| type=float, | |
| default=0, | |
| help="probability of inserting silence between each word", | |
| ) | |
| parser.add_argument( | |
| "--surround", | |
| action="store_true", | |
| help="if set, surrounds each example with silence", | |
| ) | |
| parser.add_argument( | |
| "--lexicon", | |
| help="lexicon to convert to phones", | |
| required=True, | |
| ) | |
| return parser | |
| def main(): | |
| parser = get_parser() | |
| args = parser.parse_args() | |
| sil_prob = args.sil_prob | |
| surround = args.surround | |
| sil = "<SIL>" | |
| wrd_to_phn = {} | |
| with open(args.lexicon, "r") as lf: | |
| for line in lf: | |
| items = line.rstrip().split() | |
| assert len(items) > 1, line | |
| assert items[0] not in wrd_to_phn, items | |
| wrd_to_phn[items[0]] = items[1:] | |
| for line in sys.stdin: | |
| words = line.strip().split() | |
| if not all(w in wrd_to_phn for w in words): | |
| continue | |
| phones = [] | |
| if surround: | |
| phones.append(sil) | |
| sample_sil_probs = None | |
| if sil_prob > 0 and len(words) > 1: | |
| sample_sil_probs = np.random.random(len(words) - 1) | |
| for i, w in enumerate(words): | |
| phones.extend(wrd_to_phn[w]) | |
| if ( | |
| sample_sil_probs is not None | |
| and i < len(sample_sil_probs) | |
| and sample_sil_probs[i] < sil_prob | |
| ): | |
| phones.append(sil) | |
| if surround: | |
| phones.append(sil) | |
| print(" ".join(phones)) | |
| if __name__ == "__main__": | |
| main() | |