Patent ID: 7280963
Filing Date: 2007-10-09
Classification: G10L

Abstract:
1. In a computer system, a method of generating pronunciations for a word that is represented by a waveform and text, such that the pronunciations are spelled by phones in a phonetic alphabet for storage in a pronunciation dictionary, the method comprising: a. graphing sets of initial pronunciations; thereafter b. in an ASR subsystem determining a highest-scoring set of initial pronunciations; c. generating sets of alternate pronunciations, wherein each set of alternate pronunciations includes the highest-scoring set of initial pronunciations with a lowest-probability phone of the highest-scoring initial pronunciation substituted with a unique-substitute phone; d. graphing the sets of alternate pronunciations; e. determining in the ASR subsystem a highest-scoring set of alternate pronunciations; and f. adding to a pronunciation dictionary the highest-scoring set of alternate pronunciations.