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Significant performance degradation of automatic speech recognition (ASR) systems is observed when the audio signal contains cross-talk. One of the recently proposed approaches to solve the problem of multi-speaker ASR is the deep…

Sound · Computer Science 2019-09-26 Tobias Menne , Ilya Sklyar , Ralf Schlüter , Hermann Ney

The evolving speech processing landscape is increasingly focused on complex scenarios like meetings or cocktail parties with multiple simultaneous speakers and far-field conditions. Existing methodologies for addressing these challenges…

We present the DKU system for Task 2 of the MLC-SLM Challenge, which aims to perform multi-speaker automatic speech recognition directly from raw audio without Oracle speaker labels or time boundaries. Our approach builds upon a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-15 Yuke Lin , Ming Cheng , Ze Li , Ming Li

In multilingual societies, social conversations often involve code-mixed speech. The current speech technology may not be well equipped to extract information from multi-lingual multi-speaker conversations. The DISPLACE challenge entails a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-06 Shikha Baghel , Shreyas Ramoji , Sidharth , Ranjana H , Prachi Singh , Somil Jain , Pratik Roy Chowdhuri , Kaustubh Kulkarni , Swapnil Padhi , Deepu Vijayasenan , Sriram Ganapathy

We introduce LibriConvo, a simulated multi-speaker conversational dataset based on speaker-aware conversation simulation (SASC), designed to support training and evaluation of speaker diarization and automatic speech recognition (ASR)…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-28 Máté Gedeon , Péter Mihajlik

Recent advances in speaker diarization exploit large pretrained foundation models, such as WavLM, to achieve state-of-the-art performance on multiple datasets. Systems like DiariZen leverage these rich single-channel representations, but…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-06 Marc Deegen , Tobias Gburrek , Tobias Cord-Landwehr , Thilo von Neumann , Jiangyu Han , Lukáš Burget , Reinhold Haeb-Umbach

This report describes the speaker diarization system developed by the ABSP Laboratory team for the third DIHARD speech diarization challenge. Our primary contribution is to develop acoustic domain identification (ADI) system for speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-22 A Kishore Kumar , Shefali Waldekar , Goutam Saha , Md Sahidullah

An increasingly common training paradigm for multi-talker automatic speech recognition (ASR) is to use speaker activity signals to adapt single-speaker ASR models for overlapping speech. Although effective, these systems require running the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-07 Xiluo He , Alexander Polok , Jesús Villalba , Thomas Thebaud , Matthew Maciejewski

ASR systems often struggle with maintaining syntactic and semantic accuracy in long audio transcripts, impacting tasks like Named Entity Recognition (NER), capitalization, and punctuation. We propose a novel approach that enhances ASR by…

Computation and Language · Computer Science 2025-08-20 Duygu Altinok

This paper describes the Microsoft speaker diarization system for monaural multi-talker recordings in the wild, evaluated at the diarization track of the VoxCeleb Speaker Recognition Challenge(VoxSRC) 2020. We will first explain our system…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-26 Xiong Xiao , Naoyuki Kanda , Zhuo Chen , Tianyan Zhou , Takuya Yoshioka , Sanyuan Chen , Yong Zhao , Gang Liu , Yu Wu , Jian Wu , Shujie Liu , Jinyu Li , Yifan Gong

Visual information, such as subtitles in a movie, often helps automatic speech recognition. In this paper, we propose Donut-Whisper, an audio-visual ASR model with dual encoder to leverage visual information to improve speech recognition…

Sound · Computer Science 2026-01-27 Junli Chen , Changli Tang , Yixuan Li , Guangzhi Sun , Chao Zhang

This paper describes our speaker diarization system submitted to the Multi-channel Multi-party Meeting Transcription (M2MeT) challenge, where Mandarin meeting data were recorded in multi-channel format for diarization and automatic speech…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-07 Naijun Zheng , Na Li , Xixin Wu , Lingwei Meng , Jiawen Kang , Haibin Wu , Chao Weng , Dan Su , Helen Meng

Contextual automatic speech recognition (ASR) with Speech-LLMs is typically trained with oracle conversation history, but relies on error-prone history at inference, causing a train-test mismatch in the context channel that we term…

Computation and Language · Computer Science 2026-03-26 Xiaoyong Guo , Nanjie Li , Zijie Zeng , Kai Wang , Hao Huang , Haihua Xu , Wei Shi

This paper summarizes the JHU team's efforts in tracks 1 and 2 of the CHiME-6 challenge for distant multi-microphone conversational speech diarization and recognition in everyday home environments. We explore multi-array processing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-16 Ashish Arora , Desh Raj , Aswin Shanmugam Subramanian , Ke Li , Bar Ben-Yair , Matthew Maciejewski , Piotr Żelasko , Paola García , Shinji Watanabe , Sanjeev Khudanpur

In this paper, we conduct a comparative study on speaker-attributed automatic speech recognition (SA-ASR) in the multi-party meeting scenario, a topic with increasing attention in meeting rich transcription. Specifically, three approaches…

Sound · Computer Science 2022-07-04 Fan Yu , Zhihao Du , Shiliang Zhang , Yuxiao Lin , Lei Xie

Bengali remains a low-resource language in speech technology, especially for complex tasks like long-form transcription and speaker diarization. This paper presents a multistage approach developed for the "DL Sprint 4.0 - Bengali Long-Form…

Sound · Computer Science 2026-03-04 Epshita Jahan , Khandoker Md Tanjinul Islam , Pritom Biswas , Tafsir Al Nafin

In multi-lingual societies, where multiple languages are spoken in a small geographic vicinity, informal conversations often involve mix of languages. Existing speech technologies may be inefficient in extracting information from such…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-04 Shikha Baghel , Shreyas Ramoji , Somil Jain , Pratik Roy Chowdhuri , Prachi Singh , Deepu Vijayasenan , Sriram Ganapathy

The DIarization and Speech Processing for LAnguage understanding in Conversational Environments - Medical (DISPLACE-M) challenge introduces a conversational AI benchmark for understanding goal-oriented, real-world medical dialogues. The…

In this paper, we propose a novel approach for the transcription of speech conversations with natural speaker overlap, from single channel speech recordings. The proposed model is a combination of a speaker diarization system and a hybrid…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-30 Srikanth Raj Chetupalli , Sriram Ganapathy

End-to-end automatic speech recognition (E2E ASR) systems have significantly improved speech recognition through training on extensive datasets. Despite these advancements, they still struggle to accurately recognize domain specific words,…

Computation and Language · Computer Science 2024-07-26 Jiwon Suh , Injae Na , Woohwan Jung