28. The computer readable medium of claim 27 , wherein said recognized transcript has a score and wherein the stored executable instructions when executed on the computer system also cause the computer system to update the lexicon by first determining that the highest scoring pronunciation among the plurality of alternative pronunciations has a score that is higher than the score of the pronunciation for the recognized transcript and then adding the highest scoring pronunciation to the lexicon.
28. The computer readable medium of claim 27 , wherein said recognized transcript has a score and wherein the stored executable instructions when executed on the computer system also cause the computer system to update the lexicon by first determining that the highest scoring pronunciation among the plurality of alternative pronunciations has a score that is higher than the score of the pronunciation for the recognized transcript and then adding the highest scoring pronunciation to the lexicon. 29. The computer readable medium of claim 28 , wherein the stored executable instructions when executed on the computer system also cause the computer system to update the lexicon by deleting said corresponding pronunciation for the recognized transcript.