collaborators

9 papers

cs.CL2026

M3-DuplexBench: A Multi-Turn, Multilingual, Multidomain Benchmark for Full-Duplex Spoken Dialogue Models

Ryo Fukuda, Atsushi Ando, Hiroki Kanagawa +4

Full-duplex spoken dialogue systems (FDSDSs) can listen while speaking, enabling natural behaviors such as smooth turn-taking, backchannel handling, and user barge-in handling. How…

cs.CL2026

Evaluating Large Language Models Abilities for Addressee, Turn-change, and Next Speaker Prediction in Meetings

Ryo Fukuda, Takatomo Kano, Siddhant Arora +7

We investigate turn-taking in multimodal multi-party conversations using large language models (LLMs). We construct an evaluation framework for three tasks: addressee detection, tu…

eess.AS2026

Tight Boundary Prediction in Speaker Diarization Using Causal-Anticausal Consistency

Shota Horiguchi, Marc Delcroix, Naohiro Tawara +2

Multi-talker conversational automatic speech recognition data are often used to train speaker diarization models. Because such data prioritize semantic continuity, pauses and bound…

eess.AS2025

Can We Really Repurpose Multi-Speaker ASR Corpus for Speaker Diarization?

Shota Horiguchi, Naohiro Tawara, Takanori Ashihara +2

Neural speaker diarization is widely used for overlap-aware speaker diarization, but it requires large multi-speaker datasets for training. To meet this data requirement, large dat…

eess.AS2025

Microphone Array Geometry Independent Multi-Talker Distant ASR: NTT System for the DASR Task of the CHiME-8 Challenge

Naoyuki Kamo, Naohiro Tawara, Atsushi Ando +15

In this paper, we introduce a multi-talker distant automatic speech recognition (DASR) system we designed for the DASR task 1 of the CHiME-8 challenge. Our system performs speaker…

eess.AS2025

Mitigating Non-Target Speaker Bias in Guided Speaker Embedding

Shota Horiguchi, Takanori Ashihara, Marc Delcroix +2

Obtaining high-quality speaker embeddings in multi-speaker conditions is crucial for many applications. A recently proposed guided speaker embedding framework, which utilizes speec…