Zuozhen Liu

RNN-T Based Open-Vocabulary Keyword Spotting in Mandarin with Multi-Level Detection

Despite the recent prevalence of keyword spotting (KWS) in smart-home, open-vocabulary KWS remains a keen but unmet need among the users. In this paper, we propose an RNN Transducer (RNN-T) based keyword spotting system with a constrained attention mechanism biasing module that biases the RNN-T mode…