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Wireless communication systems can be enhanced at the link level, in medium access, and at the network level when transceivers are equipped with full-duplex capability: the transformative ability to simultaneously transmit and receive over…

Signal Processing · Electrical Eng. & Systems 2022-10-18 Ian P. Roberts , Himal A. Suraweera

Achieving human-like responsiveness is a critical yet challenging goal for cascaded spoken dialogue systems. Conventional ASR-LLM-TTS pipelines follow a strictly sequential paradigm, requiring complete transcription and full reasoning…

Computation and Language · Computer Science 2026-02-27 Siyuan Liu , Jiahui Xu , Feng Jiang , Kuang Wang , Zefeng Zhao , Chu-Ren Huang , Jinghang Gu , Changqing Yin , Haizhou Li

We present X-Talk, an open-source framework that champions a decoupled, modular design for LLM-driven speech-to-speech (S2S) systems. While the dominant trend favors end-to-end (E2E) modeling to optimize information flow, these…

Recent advances in text-to-speech (TTS) synthesis, particularly those leveraging large language models (LLMs), have significantly improved expressiveness and naturalness. However, generating human-like, interactive dialogue speech remains…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-28 Hanke Xie , Dake Guo , Chengyou Wang , Yue Li , Wenjie Tian , Xinfa Zhu , Xinsheng Wang , Xiulin Li , Guanqiong Miao , Bo Liu , Lei Xie

Clarifying user needs is essential for existing task-oriented dialogue systems. However, in real-world applications, developers can never guarantee that all possible user demands are taken into account in the design phase. Consequently,…

Computation and Language · Computer Science 2019-06-13 Weikang Wang , Jiajun Zhang , Qian Li , Mei-Yuh Hwang , Chengqing Zong , Zhifei Li

Full-duplex, spontaneous conversational data are essential for enhancing the naturalness and interactivity of synthesized speech in conversational TTS systems. We present two open-source dual-track conversational speech datasets, one in…

Sound · Computer Science 2025-09-05 Zhitong Zhou , Qingqing Zhang , Lei Luo , Jiechen Liu , Ruohua Zhou

Recent efforts in Spoken Dialogue Modeling aim to synthesize spoken dialogue without the need for direct transcription, thereby preserving the wealth of non-textual information inherent in speech. However, this approach faces a challenge…

Computation and Language · Computer Science 2024-07-03 Yu-Kuan Fu , Cheng-Kuang Lee , Hsiu-Hsuan Wang , Hung-yi Lee

Spoken dialogue models have significantly advanced intelligent human-computer interaction, yet they lack a plug-and-play full-duplex prediction module for semantic endpoint detection, hindering seamless audio interactions. In this paper, we…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-05 Weijie Wu , Wenhao Guan , Kaidi Wang , Peijie Chen , Zhuanling Zha , Junbo Li , Jun Fang , Lin Li , Qingyang Hong

Tuning language models for dialogue generation has been a prevalent paradigm for building capable dialogue agents. Yet, traditional tuning narrowly views dialogue generation as resembling other language generation tasks, ignoring the role…

Computation and Language · Computer Science 2024-05-31 Jian Wang , Chak Tou Leong , Jiashuo Wang , Dongding Lin , Wenjie Li , Xiao-Yong Wei

Real-time voice assistants must revise task state when users interrupt mid-response, but existing spoken-dialog benchmarks largely evaluate turn-based interaction and miss this failure mode. We introduce EchoChain, a controlled benchmark…

Computation and Language · Computer Science 2026-04-21 Smit Nautambhai Modi , Gandharv Mahajan , Marc Wetter , Randall Welles

In a cognitive radio system the failure of secondary user (SU) transceivers to promptly vacate the channel can introduce significant access-latency for primary or high-priority users (PU). In conventional cognitive radio systems, the…

Information Theory · Computer Science 2016-09-06 Orion Afisiadis , Andrew C. M. Austin , Alexios Balatsoukas-Stimming , Andreas Burg

Full-duplex dialogue audio, in which each speaker is recorded on a separate track, is an important resource for spoken dialogue research, but is difficult to collect at scale. Most in-the-wild two-speaker dialogue is available only as…

Sound · Computer Science 2026-04-14 Wataru Nakata , Yuki Saito , Kazuki Yamauchi , Emiru Tsunoo , Hiroshi Saruwatari

We present the dialogue component of the speech-to-speech translation system VERBMOBIL. In contrast to conventional dialogue systems it mediates the dialogue while processing maximally 50% of the dialogue in depth. Special requirements like…

cmp-lg · Computer Science 2016-08-31 Jan Alexandersson , Elisabeth Maier , Norbert Reithinger

As the paradigm of AI shifts from text-based LLMs to Speech Language Models (SLMs), there is a growing demand for full-duplex systems capable of real-time, natural human-computer interaction. However, the development of such models is…

Sound · Computer Science 2026-03-31 Kyudan Jung , Jihwan Kim , Soyoon Kim , Jeonghoon Kim , Jaegul Choo , Cheonbok Park

Full-duplex (FD) communications with bidirectional transmitting and receiving at the same time and frequency radio resource have long been deemed a promising way to boost spectrum efficiency, but hindered by the techniques for…

Information Theory · Computer Science 2016-04-12 Rongpeng Li , Yan Chen , Geoffrey Ye Li , Guangyi Liu

The success of full-stack full-duplex communication systems depends on how effectively one can achieve digital self-interference cancellation (SIC). Towards this end, in this paper, we consider unlimited sensing framework (USF) enabled…

Signal Processing · Electrical Eng. & Systems 2024-11-22 Ziang Liu , Ayush Bhandari , Bruno Clerckx

This paper considers full-duplex (FD) device-to-device (D2D) communications in a downlink MISO cellular system in the presence of multiple eavesdroppers. The D2D pair communicate sharing the same frequency band allocated to the cellular…

Information Theory · Computer Science 2017-09-08 Muhammad R. A. Khandaker , Christos Masouros , Kai-Kit Wong

This paper introduces a cross-lingual dubbing system that translates speech from one language to another while preserving key characteristics such as duration, speaker identity, and speaking speed. Despite the strong translation quality of…

Computation and Language · Computer Science 2025-12-30 Jeongsoo Choi , Jaehun Kim , Joon Son Chung

Many task-oriented dialogue systems use deep reinforcement learning (DRL) to learn policies that respond to the user appropriately and complete the tasks successfully. Training DRL agents with diverse dialogue trajectories prepare them well…

Computation and Language · Computer Science 2021-06-10 Zhiwen Tang , Hrishikesh Kulkarni , Grace Hui Yang

Full-duplex (FD) communication is regarded as a key technology in future 5G and Internet of Things (IoT) systems. In addition to high data rate constraints, the success of these systems depends on the ability to allow for confidentiality…

Information Theory · Computer Science 2016-01-21 Hendrik Vogt , Zohaib Hassan Awan , Aydin Sezgin