Inverse Text Normalization

Apparatus comprising a processor and a memory containing executable instructions that, when executed by the processor, perform:

• segmenting text in spoken form into inverse text normalization items by grouping consecutive words using an inverse text normalization lexicon;
• classifying the inverse text normalization items into inverse text normalization categories by using the inverse text normalization lexicon;
• applying one or more inverse text normalization rules that are selected based on the inverse text normalization categories into which inverse text normalization items have been classified to rewrite the inverse text normalization items;
• and
• post processing the inverse text normalization item and outputting inversely normalized text in written form for display.

A computer-readable medium having recorded thereon computer-executable instructions, that, when executed, perform operations comprising:

• segmenting text in spoken form into inverse text normalization items by grouping consecutive words using an inverse text normalization lexicon;
• classifying the inverse text normalization items into inverse text normalization categories by using the inverse text normalization lexicon;
• applying one or more inverse text normalization rules that are selected based on the inverse text normalization categories into which inverse text normalization items have been classified to rewrite the inverse text normalization items;
• and
• post processing the inverse text normalization item and displaying on an display screen inversely normalized text in written form for display.

Apparatus comprising:

• means for segmenting text in spoken form into inverse text normalization items by grouping consecutive words using an inverse text normalization lexicon;
• means for classifying the inverse text normalization items into inverse text normalization categories by using the inverse text normalization lexicon;
• means for applying one or more inverse text normalization rules that are selected based on the inverse text normalization categories into which inverse text normalization items have been classified to rewrite the inverse text normalization items;
• and
• means for post processing the inverse text normalization item and outputting inversely normalized text in written form for display.