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Simultaneous speech-to-speech translation is widely useful but extremely challenging, since it needs to generate target-language speech concurrently with the source-language speech, with only a few seconds delay. In addition, it needs to…

Computation and Language · Computer Science 2020-10-23 Renjie Zheng , Mingbo Ma , Baigong Zheng , Kaibo Liu , Jiahong Yuan , Kenneth Church , Liang Huang

Spoken Language Models (SLMs) are increasingly central to modern speech-driven applications, but performance degrades under acoustic shift - real-world noise, reverberation, and microphone variation. Prior solutions rely on offline domain…

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

Large Language Models (LLMs) have been applied in the speech domain, often incurring a performance drop due to misaligned between speech and language representations. To bridge this gap, we propose a joint speech and language model (SLM)…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-14 Mingqiu Wang , Izhak Shafran , Hagen Soltau , Wei Han , Yuan Cao , Dian Yu , Laurent El Shafey

We present a direct speech-to-speech translation (S2ST) model that translates speech from one language to speech in another language without relying on intermediate text generation. We tackle the problem by first applying a self-supervised…

Computation and Language · Computer Science 2022-03-23 Ann Lee , Peng-Jen Chen , Changhan Wang , Jiatao Gu , Sravya Popuri , Xutai Ma , Adam Polyak , Yossi Adi , Qing He , Yun Tang , Juan Pino , Wei-Ning Hsu

Simultaneous translation systems start producing the output while processing the partial source sentence in the incoming input stream. These systems need to decide when to read more input and when to write the output. These decisions depend…

Sound · Computer Science 2022-06-20 Mohd Abbas Zaidi , Beomseok Lee , Sangha Kim , Chanwoo Kim

Simultaneous translation on both text and speech focuses on a real-time and low-latency scenario where the model starts translating before reading the complete source input. Evaluating simultaneous translation models is more complex than…

Computation and Language · Computer Science 2020-08-03 Xutai Ma , Mohammad Javad Dousti , Changhan Wang , Jiatao Gu , Juan Pino

Simultaneous Machine Translation (SiMT) generates target translations while reading the source sentence. It relies on a policy to determine the optimal timing for reading sentences and generating translations. Existing SiMT methods…

Computation and Language · Computer Science 2024-06-13 Shoutao Guo , Shaolei Zhang , Zhengrui Ma , Min Zhang , Yang Feng

Speech-to-speech translation (S2ST) has been advanced with large language models (LLMs), which are fine-tuned on discrete speech units. In such approaches, modality adaptation from text to speech has been an issue. LLMs are trained on…

Computation and Language · Computer Science 2025-06-13 Hayato Futami , Emiru Tsunoo , Yosuke Kashiwagi , Yuki Ito , Hassan Shahmohammadi , Siddhant Arora , Shinji Watanabe

Speech to speech translation (S2ST) is a transformative technology that bridges global communication gaps, enabling real time multilingual interactions in diplomacy, tourism, and international trade. Our review examines the evolution of…

Computation and Language · Computer Science 2025-03-10 Mohammad Sarim , Saim Shakeel , Laeeba Javed , Jamaluddin , Mohammad Nadeem

Speech-to-speech translation (S2ST) converts input speech to speech in another language. A challenge of delivering S2ST in real time is the accumulated delay between the translation and speech synthesis modules. While recently incremental…

Computation and Language · Computer Science 2022-07-18 Danni Liu , Changhan Wang , Hongyu Gong , Xutai Ma , Yun Tang , Juan Pino

Simultaneous machine translation (SimulMT) speeds up the translation process by starting to translate before the source sentence is completely available. It is difficult due to limited context and word order difference between languages.…

Computation and Language · Computer Science 2022-05-05 Chih-Chiang Chang , Shun-Po Chuang , Hung-yi Lee

Direct Speech-to-Speech Translation (S2ST) has gained increasing attention for its ability to translate speech from one language to another, while reducing error propagation and latency inherent in traditional cascaded pipelines. However,…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-23 Lalaram Arya , Mrinmoy Bhattacharjee , Adarsh C. R. , S. R. Mahadeva Prasanna

Recent end-to-end speech language models (SLMs) have expanded upon the capabilities of large language models (LLMs) by incorporating pre-trained speech models. However, these SLMs often undergo extensive speech instruction-tuning to bridge…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-30 Ke-Han Lu , Zhehuai Chen , Szu-Wei Fu , Chao-Han Huck Yang , Jagadeesh Balam , Boris Ginsburg , Yu-Chiang Frank Wang , Hung-yi Lee

We introduces LLaST, a framework for building high-performance Large Language model based Speech-to-text Translation systems. We address the limitations of end-to-end speech translation(E2E ST) models by exploring model architecture design…

Computation and Language · Computer Science 2024-07-23 Xi Chen , Songyang Zhang , Qibing Bai , Kai Chen , Satoshi Nakamura

Attention is the core mechanism of today's most used architectures for natural language processing and has been analyzed from many perspectives, including its effectiveness for machine translation-related tasks. Among these studies,…

Computation and Language · Computer Science 2026-02-04 Sara Papi , Marco Turchi , Matteo Negri

Multimodal Large Language Models (MLLMs) have achieved notable success in enhancing translation performance by integrating multimodal information. However, existing research primarily focuses on image-guided methods, whose applicability is…

Computation and Language · Computer Science 2026-03-04 Yexing Du , Youcheng Pan , Zekun Wang , Zheng Chu , Yichong Huang , Kaiyuan Liu , Bo Yang , Yang Xiang , Ming Liu , Bing Qin

In simultaneous translation (SimulMT), the most widely used strategy is the wait-k policy thanks to its simplicity and effectiveness in balancing translation quality and latency. However, wait-k suffers from two major limitations: (a) it is…

Computation and Language · Computer Science 2022-04-28 Guangxu Xun , Mingbo Ma , Yuchen Bian , Xingyu Cai , Jiaji Huang , Renjie Zheng , Junkun Chen , Jiahong Yuan , Kenneth Church , Liang Huang

Speech-to-text translation (ST), which translates source language speech into target language text, has attracted intensive attention in recent years. Compared to the traditional pipeline system, the end-to-end ST model has potential…

Computation and Language · Computer Science 2019-12-17 Yuchen Liu , Jiajun Zhang , Hao Xiong , Long Zhou , Zhongjun He , Hua Wu , Haifeng Wang , Chengqing Zong

With the increased audiovisualisation of communication, the need for live subtitles in multilingual events is more relevant than ever. In an attempt to automatise the process, we aim at exploring the feasibility of simultaneous speech…

Computation and Language · Computer Science 2023-10-19 Alina Karakanta , Sara Papi , Matteo Negri , Marco Turchi