2. A system according to claim 1 wherein said ASR engine is configured to operate in a second training mode to: adapt said speaker-specific acoustic model using said second speech audio segment and/or a proofread version of said second text transcript; and adapt said speaker-specific language model using at least said proofread version of said second text transcript.
2. A system according to claim 1 wherein said ASR engine is configured to operate in a second training mode to: adapt said speaker-specific acoustic model using said second speech audio segment and/or a proofread version of said second text transcript; and adapt said speaker-specific language model using at least said proofread version of said second text transcript. 3. A system according to claim 2 wherein said ASR engine is configured to alternately operate in said second speech recognition mode and said second training mode for processing a plurality of segments of said audio input subsequent to processing said first segment.