34. The computer-readable storage medium of claim 33 , wherein selecting phoneme sub-strings comprises: selecting phoneme strings in the pronunciation data neighborhood for each context within the out-of-vocabulary word; aligning the selected phoneme strings on common phoneme sub-strings; and selecting a phoneme sub-string for each context from the common phoneme sub-strings.
33. The computer-readable storage medium of claim 31 , wherein selecting phoneme sub-strings comprises: forming an orthographic neighborhood from in-vocabulary words correspond to orthographic anchors that satisfy the closeness measure; and creating a pronunciation data neighborhood from phoneme strings for the in-vocabulary words in the orthographic neighborhood, the phoneme strings have at least one phoneme sub-string in the dictionary.