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Simultaneous translation of unbounded streaming speech remains a challenging problem due to the need for effectively processing the history speech context and past translations so that quality and latency, including computation overhead,…

Computation and Language · Computer Science 2025-06-17 Siqi Ouyang , Xi Xu , Lei Li

Simultaneous machine translation aims at solving the task of real-time translation by starting to translate before consuming the full input, which poses challenges in terms of balancing quality and latency of the translation. The wait-$k$…

Computation and Language · Computer Science 2024-07-19 Abderrahmane Issam , Yusuf Can Semerci , Jan Scholtes , Gerasimos Spanakis

Simultaneous machine translation (SiMT) requires a robust read/write policy in conjunction with a high-quality translation model. Traditional methods rely on either a fixed wait-$k$ policy coupled with a standalone wait-$k$ translation…

Computation and Language · Computer Science 2023-10-24 Libo Zhao , Kai Fan , Wei Luo , Jing Wu , Shushu Wang , Ziqian Zeng , Zhongqiang Huang

Streaming speech translation (StreamST) requires determining appropriate timing, known as policy, to generate translations while continuously receiving source speech inputs, balancing low latency with high translation quality. However,…

Computation and Language · Computer Science 2025-07-15 Shoutao Guo , Xiang Li , Mengge Liu , Wei Chen , Yang Feng

Simultaneous machine translation, which aims at a real-time translation, is useful in many live scenarios but very challenging due to the trade-off between accuracy and latency. To achieve the balance for both, the model needs to wait for…

Computation and Language · Computer Science 2023-03-22 Lei Lin , Shuangtao Li , Xiaodong Shi

End-to-end simultaneous speech translation (SimulST) outputs translation while receiving the streaming speech inputs (a.k.a. streaming speech translation), and hence needs to segment the speech inputs and then translate based on the current…

Computation and Language · Computer Science 2023-11-13 Shaolei Zhang , Yang Feng

Simultaneous speech translation (SST) outputs translations in parallel with streaming speech input, balancing translation quality and latency. While large language models (LLMs) have been extended to handle the speech modality, streaming…

Computation and Language · Computer Science 2025-04-23 Keqi Deng , Wenxi Chen , Xie Chen , Philip C. Woodland

Simultaneous speech translation (SimulST) systems must balance translation quality with response time, making latency measurement crucial for evaluating their real-world performance. However, there has been a longstanding belief that…

Computation and Language · Computer Science 2024-10-22 Xi Xu , Wenda Xu , Siqi Ouyang , Lei Li

Simultaneous translation is widely useful but remains challenging. Previous work falls into two main categories: (a) fixed-latency policies such as Ma et al. (2019) and (b) adaptive policies such as Gu et al. (2017). The former are simple…

Computation and Language · Computer Science 2019-09-13 Baigong Zheng , Renjie Zheng , Mingbo Ma , Liang Huang

Streaming speech-to-text translation (StreamST) is the task of automatically translating speech while incrementally receiving an audio stream. Unlike simultaneous ST (SimulST), which deals with pre-segmented speech, StreamST faces the…

Sound · Computer Science 2024-06-11 Sara Papi , Marco Gaido , Matteo Negri , Luisa Bentivogli

Simultaneous neural machine translation(SNMT) models start emitting the target sequence before they have processed the source sequence. The recent adaptive policies for SNMT use monotonic attention to perform read/write decisions based on…

Computation and Language · Computer Science 2021-09-08 Mohd Abbas Zaidi , Sathish Indurthi , Beomseok Lee , Nikhil Kumar Lakumarapu , Sangha Kim

Simultaneous translation (ST) outputs translation while receiving the source inputs, and hence requires a policy to determine whether to translate a target token or wait for the next source token. The major challenge of ST is that each…

Computation and Language · Computer Science 2022-11-02 Shaolei Zhang , Yang Feng

Simultaneous speech translation (SST) takes streaming speech input and generates text translation on the fly. Existing methods either have high latency due to recomputation of input representations, or fall behind of offline ST in…

Computation and Language · Computer Science 2024-08-20 Siqi Ouyang , Xi Xu , Chinmay Dandekar , Lei Li

Simultaneous machine translation (SiMT) generates translation before reading the entire source sentence and hence it has to trade off between translation quality and latency. To fulfill the requirements of different translation quality and…

Computation and Language · Computer Science 2022-03-22 Shaolei Zhang , Yang Feng

A popular approach to streaming speech translation is to employ a single offline model with a wait-k policy to support different latency requirements, which is simpler than training multiple online models with different latency constraints.…

Computation and Language · Computer Science 2023-10-27 Biao Fu , Minpeng Liao , Kai Fan , Zhongqiang Huang , Boxing Chen , Yidong Chen , Xiaodong Shi

Simultaneous translation (ST) starts translations synchronously while reading source sentences, and is used in many online scenarios. The previous wait-k policy is concise and achieved good results in ST. However, wait-k policy faces two…

Computation and Language · Computer Science 2020-12-24 Shaolei Zhang , Yang Feng , Liangyou Li

This paper addresses the problem of simultaneous machine translation (SiMT) by exploring two main concepts: (a) adaptive policies to learn a good trade-off between high translation quality and low latency; and (b) visual information to…

Computation and Language · Computer Science 2021-02-24 Julia Ive , Andy Mingren Li , Yishu Miao , Ozan Caglayan , Pranava Madhyastha , Lucia Specia

Simultaneous machine translation begins to translate each source sentence before the source speaker is finished speaking, with applications to live and streaming scenarios. Simultaneous systems must carefully schedule their reading of the…

Computation and Language · Computer Science 2019-06-13 Naveen Arivazhagan , Colin Cherry , Wolfgang Macherey , Chung-Cheng Chiu , Semih Yavuz , Ruoming Pang , Wei Li , Colin Raffel

Simultaneous Speech Translation (SimulST) involves generating target language text while continuously processing streaming speech input, presenting significant real-time challenges. Multi-task learning is often employed to enhance SimulST…

Computation and Language · Computer Science 2024-12-31 Xiaoqian Liu , Yangfan Du , Jianjin Wang , Yuan Ge , Chen Xu , Tong Xiao , Guocheng Chen , Jingbo Zhu

In this paper, we propose a novel soft and monotonic alignment mechanism used for sequence transduction. It is inspired by the integrate-and-fire model in spiking neural networks and employed in the encoder-decoder framework consists of…

Computation and Language · Computer Science 2020-02-13 Linhao Dong , Bo Xu