Keyword-Aware ASR Error Augmentation for Robust Dialogue State Tracking
Dialogue State Tracking (DST) is a key part of task-oriented dialogue systems, identifying important information in conversations. However, its accuracy drops significantly in spoken dialogue environments due to named entity errors from Automatic Speech Recognition (ASR) systems. We introduce a simple yet effective data augmentation method that targets those entities to improve the robustness of DST model. Our novel method can control the placement of errors using keyword-highlighted prompts while introducing phonetically similar errors. As a result, our method generated sufficient error patterns on keywords, leading to improved accuracy in noised and low-accuracy ASR environments.
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Automatic Speech RecognitionAutomatic Speech Recognition (ASR)Data AugmentationDialogue State Trackingspeech-recognitionSpeech RecognitionTask-Oriented Dialogue SystemsMethods 이 논문이 사용한 방법론
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