21. A computer-readable storage medium storing computer-executable instructions which, when executed, cause a processing system to perform a method comprising: receiving pronunciation data for an out-of-vocabulary word, the pronunciation data comprising phoneme sub-strings selected from candidate phoneme strings have pronunciation data associated with orthographic anchors that are close to a vector representation of the out-of-vocabulary word in an orthographical vector space defined by a dictionary; and reproducing the pronunciation data for the out-of-vocabulary word as an audible signal.
21. A computer-readable storage medium storing computer-executable instructions which, when executed, cause a processing system to perform a method comprising: receiving pronunciation data for an out-of-vocabulary word, the pronunciation data comprising phoneme sub-strings selected from candidate phoneme strings have pronunciation data associated with orthographic anchors that are close to a vector representation of the out-of-vocabulary word in an orthographical vector space defined by a dictionary; and reproducing the pronunciation data for the out-of-vocabulary word as an audible signal. 25. The computer-readable storage medium of claim 21 , wherein the dictionary comprises phoneme strings for in-vocabulary words.