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PhD Preliminary Oral Exam – Renjie Zheng

Advances in Simultaneous Translation

Simultaneous translation, which translates concurrently with the source language speech, is widely used in many scenarios including multilateral organizations. However, it is well known to be one of the most challenging tasks for humans due to the simultaneous perception and production in two languages. On the other hand, simultaneous translation is also notoriously difficult for machines and has remained one of the holy grails of AI. The key challenge is the word order difference between the source and target languages. There have been efforts towards genuine simultaneous translation, but all these efforts have the following major limitations: (a) none of them can achieve any arbitrary given latency; (b) their base translation model is still trained on full sentences; and (c) their systems are complicated, involving many components and are difficult to train. In this thesis, we start by introducing several simultaneous translation approaches with two orthog! onal categories: fixed or adaptive latency policies; trained on full sentences or not. Then, we investigate how to improve simultaneous translation with beam search which is universally used in full-sentence translation but non-trivial to be applied in simultaneous translation. Finally, we explore speech-to-speech simultaneous interpretation by incorporating streaming ASR and incremental TTS.

Major Advisor: Liang Huang
Committee: Alan Fern
Committee: Xiaoli Fern
Committee: Prasad Tadepalli
Committee: Liang Huang
GCR: Brett Tyler

Wednesday, November 13 at 2:00pm to 4:00pm

Kelley Engineering Center, 3114
110 SW Park Terrace, Corvallis, OR 97331

Event Type

Lecture or Presentation

Event Topic

Research

Organization
Electrical Engineering and Computer Science
Contact Name

Calvin Hughes

Contact Email

calvin.hughes@oregonstate.edu

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