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| """ from https://github.com/keithito/tacotron """ | |
| from text import cleaners | |
| from text.symbols import symbols | |
| # Mappings from symbol to numeric ID and vice versa: | |
| _symbol_to_id = {s: i for i, s in enumerate(symbols)} | |
| _id_to_symbol = {i: s for i, s in enumerate(symbols)} | |
| def text_to_sequence(text, cleaner_names): | |
| '''Converts a string of text to a sequence of IDs corresponding to the symbols in the text. | |
| Args: | |
| text: string to convert to a sequence | |
| cleaner_names: names of the cleaner functions to run the text through | |
| Returns: | |
| List of integers corresponding to the symbols in the text | |
| ''' | |
| sequence = [] | |
| clean_text = _clean_text(text, cleaner_names) | |
| for symbol in clean_text: | |
| symbol_id = _symbol_to_id[symbol] | |
| sequence += [symbol_id] | |
| return sequence | |
| def cleaned_text_to_sequence(cleaned_text): | |
| '''Converts a string of text to a sequence of IDs corresponding to the symbols in the text. | |
| Args: | |
| text: string to convert to a sequence | |
| Returns: | |
| List of integers corresponding to the symbols in the text | |
| ''' | |
| sequence = [_symbol_to_id[symbol] for symbol in cleaned_text] | |
| return sequence | |
| def sequence_to_text(sequence): | |
| '''Converts a sequence of IDs back to a string''' | |
| result = '' | |
| for symbol_id in sequence: | |
| s = _id_to_symbol[symbol_id] | |
| result += s | |
| return result | |
| def _clean_text(text, cleaner_names): | |
| for name in cleaner_names: | |
| cleaner = getattr(cleaners, name) | |
| if not cleaner: | |
| raise Exception('Unknown cleaner: %s' % name) | |
| text = cleaner(text) | |
| return text | |