31 lines
1.0 KiB
Markdown
31 lines
1.0 KiB
Markdown
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# Note on French spelling
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Due to a 1990 orthographic reform, there are currently two conventions for written French numbers:
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1. **Reformed** All composite words are joined by a hyphen:
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e.g. `1122 -> mille-cent-vingt-deux`
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2. **Traditional** Hyphenation only occurs (with exception) for numbers from 17 to 99 (inclusive):
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e.g. `1122 -> mille cent vingt-deux`
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As available training data for upstream ASR will vary in use of convention, NeMo's French ITN accomodates either style for normalization e.g.
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```
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python inverse_normalize.py "mille-cent-vingt-deux" --language="fr" --> 1122
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python inverse_normalize.py "mille cent vingt-deux" --language="fr" --> 1122
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```
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As a result, there exists some ambiguity in the case of currency conversions, namely minor denominations of the dollar e.g.
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```
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300 -> "trois-cents" # Reformed spelling
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300 -> "trois cents" # Traditional spelling
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3 ¢ -> "trois cents" # Valid for both
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```
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Cardinals take priority in such cases.
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```
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python inverse_normalize.py "trois cents" --language="fr" -> 300
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```
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