13. The computerized method of claim 11 , wherein aligning the phoneme strings comprises: calculating a minimum cost alignment A(k, l) between two phoneme strings φ 1 . . . φ k . . . φ K and ψ 1 . . . ψ l . . . ψ L having a length K and L respectively.
11. The computerized method of claim 10 , wherein selecting phoneme sub-strings further 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.