DIALOG-CONTEXT AWARE END-TO-END SPEECH RECOGNITION
Table 3: Word Error Rate (WER) on the Switchboard dataset. None of our experiments used any lexicon information or external text data other than the training transcription. The models were trained on 300 hours of Switchboard data only.
['Train (∼ 300hrs)', 'CH', 'SWB']
Note that CTC A2W(Phone/external-LM init.) Our proposed model (a) performed best on SWB evaluation set showing 4.2% relative improvement over our baseline. Our proposed model (b) performed best on CH evaluation set showing 3.4% relative improvement over our baseline.