Abstract:Despite the recent prevalence of keyword spotting (KWS) in smart home, open‐vocabulary KWS remains a keen but unmet need among the users. Conventional open‐vocabulary KWS systems are difficult to obtain a high wake ‐up rate and low false alarms simultaneously due to the lack of specific data for model optimisation. In this letter, a light‐weight neural keyword confidence estimation module (KCEM) for the second detection part in the open‐vocabulary KWS system is proposed, which utilises the transformer structure… Show more
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.