Streaming Intended Query Detection using E2E Modeling for Continued Conversation

Shuo-yiin Chang; Guru Prakash; Zelin Wu; Qiao Liang; Tara N. Sainath; Bo Li; Adam Stambler; Shyam Upadhyay; Manaal Faruqui; Trevor Strohman

arXiv · 2208.13322

Streaming Intended Query Detection using E2E Modeling for Continued Conversation

Shuo-yiin Chang·Guru Prakash·Zelin Wu·Qiao Liang·Tara N. Sainath·Bo Li·Adam Stambler·Shyam Upadhyay·Manaal Faruqui·Trevor Strohman

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Abstract

In voice-enabled applications, a predetermined hotword isusually used to activate a device in order to attend to the query.However, speaking queries followed by a hotword each timeintroduces a cognitive burden in continued conversations. Toavoid repeating a hotword, we propose a streaming end-to-end(E2E) intended query detector that identifies the utterancesdirected towards the device and filters out other utterancesnot directed towards device. The proposed approach incor-porates the intended query detector into the E2E model thatalready folds different components of the speech recognitionpipeline into one neural network.The E2E modeling onspeech decoding and intended query detection also allows us todeclare a quick intended query detection based on early partialrecognition result, which is important to decrease latencyand make the system responsive. We demonstrate that theproposed E2E approach yields a 22% relative improvement onequal error rate (EER) for the detection accuracy and 600 mslatency improvement compared with an independent intendedquery detector. In our experiment, the proposed model detectswhether the user is talking to the device with a 8.7% EERwithin 1.4 seconds of median latency after user starts speaking.

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Shuo-yiin Chang, Guru Prakash, Zelin Wu, Qiao Liang, Tara N. Sainath, Bo Li, Adam Stambler, Shyam Upadhyay, Manaal Faruqui, Trevor Strohman. 2022-08-29. Streaming Intended Query Detection using E2E Modeling for Continued Conversation. https://arxiv.org/abs/2208.13322

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