30. The non-transitory computer readable medium of claim 23 , wherein the updated training data comprises the transcription, and wherein the alternate transcription comprises the transcription with a substitution of the second language subword unit for the first language subword unit.
30. The non-transitory computer readable medium of claim 23 , wherein the updated training data comprises the transcription, and wherein the alternate transcription comprises the transcription with a substitution of the second language subword unit for the first language subword unit. 31. The non-transitory computer readable medium of claim 30 , wherein discriminatively training the language model comprises updating a parameter of the language model to increase a difference between a first score generated using the transcription and a second score generated using the alternate transcription.