Simultaneous Translation (ACL 2019 Invited Talk) is coming at 09/30/2019 - 4:00pm
Gilfillan Auditorium Mon, 09/30/2019 - 4:00pm Liang Huang Assistant Professor, School of EECS, Oregon State University Abstract: Simultaneous interpretation (i.e., translating concurrently with the source language speech) is widely used in many scenarios including multilateral organizations (UN/EU), international summits (APEC/G-20), legal proceedings, and press conferences. 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. As a result, there are only a few thousand professional simultaneous interpreters world-wide, and each of them can only sustain for 15-30 minutes in each turn. On the other hand, simultaneous translation (either speech-to-text or speech-to-speech) is also notoriously difficult for machines and has remained one of the holy grails of AI. A key challenge here is the word order difference between the source and target languages. For example, if you simultaneously translate German (an SOV language) to English (an SVO language), you often have to wait for the sentence-final German verb. Therefore, most existing "real-time" translation systems resort to conventional full-sentence translation, causing an undesirable latency of at least one sentence, rendering the audience largely out of sync with the speaker. There have been efforts towards genuine simultaneous translation, but with limited success. Recently, at Baidu Research, we discovered a much simpler and surprisingly effective approach to simultaneous (speech-to-text) translation by designing a "prefix-to-prefix" framework tailed to simultaneity requirements. This is in contrast with the "sequence-to-sequence" framework which assumes the availability of the full input sentence. Our approach results in the first simultaneous translation system that achieves reasonable translation quality with controllable latency. Our technique has been successfully deployed to simultaneously translate Chinese speeches into English subtitles at the 2018 Baidu World Conference, and has been demoed live at NeuIPS 2018 Expo Day. Inspired by the success of this very simple approach, we have extended it to produce more flexible translation strategies. Our work has also generated renewed interest in this long-standing problem in the CL community; for instance, two recent papers from Google proposed interesting improvements based on our ideas. Time permitting, I will also discuss our efforts towards the ultimate goal of simultaneous speech-to-speech translation, and conclude with a list of remaining challenges. This talk is based on my ACL 2019 invited talk. See demos, media coverage, and more info at: https://simultrans-demo.github.io/ [1] [1] Bio: Read more: http://eecs.oregonstate.edu/colloquium/simultaneous-translation [2] [1] https://simultrans-demo.github.io/ [3] [1] https://simultrans-demo.github.io/ [2] http://eecs.oregonstate.edu/colloquium/simultaneous-translation [3] https://simultrans-demo.github.io/
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