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In this work, we propose a streaming speech recognition framework for Amdo Tibetan, built upon a hybrid CTC/Atten-tion architecture with a context-aware dynamic chunking mechanism. The proposed strategy adaptively adjusts chunk widths based…

Computation and Language · Computer Science 2025-11-13 Chao Wang , Yuqing Cai , Renzeng Duojie , Jin Zhang , Yutong Liu , Nyima Tashi

In the present paper, an attempt is made to combine Mask-CTC and the triggered attention mechanism to construct a streaming end-to-end automatic speech recognition (ASR) system that provides high performance with low latency. The triggered…

Sound · Computer Science 2021-10-22 Huaibo Zhao , Yosuke Higuchi , Tetsuji Ogawa , Tetsunori Kobayashi

This paper presents a novel streaming automatic speech recognition (ASR) framework for multi-talker overlapping speech captured by a distant microphone array with an arbitrary geometry. Our framework, named t-SOT-VA, capitalizes on…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-05 Naoyuki Kanda , Jian Wu , Xiaofei Wang , Zhuo Chen , Jinyu Li , Takuya Yoshioka

Recently, there has been an increasing interest in two-pass streaming end-to-end speech recognition (ASR) that incorporates a 2nd-pass rescoring model on top of the conventional 1st-pass streaming ASR model to improve recognition accuracy…

Computation and Language · Computer Science 2022-11-17 Suyoun Kim , Ke Li , Lucas Kabela , Rongqing Huang , Jiedan Zhu , Ozlem Kalinli , Duc Le

Speaker-attributed automatic speech recognition (SA-ASR) aims to transcribe speech while assigning transcripts to the corresponding speakers accurately. Existing methods often rely on complex modular systems or require extensive fine-tuning…

Computation and Language · Computer Science 2025-01-16 Thai-Binh Nguyen , Alexander Waibel

This paper proposes a novel automatic speech recognition (ASR) system that can transcribe individual speaker's speech while identifying whether they are target or non-target speakers from multi-talker overlapped speech. Target-speaker ASR…

In this paper, we present a novel training method for speaker change detection models. Speaker change detection is often viewed as a binary sequence labelling problem. The main challenges with this approach are the vagueness of annotated…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-17 Joonas Kalda , Tanel Alumäe

Attention-based end-to-end automatic speech recognition (ASR) systems have recently demonstrated state-of-the-art results for numerous tasks. However, the application of self-attention and attention-based encoder-decoder models remains…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-06 Niko Moritz , Takaaki Hori , Jonathan Le Roux

Automatic speech recognition (ASR) provides diverse audio-to-text services for humans to communicate with machines. However, recent research reveals ASR systems are vulnerable to various malicious audio attacks. In particular, by removing…

Cryptography and Security · Computer Science 2023-08-21 Shu Wang , Kun Sun , Qi Li

Although Transformers have gained success in several speech processing tasks like spoken language understanding (SLU) and speech translation (ST), achieving online processing while keeping competitive performance is still essential for…

Computation and Language · Computer Science 2022-04-20 Keqi Deng , Shinji Watanabe , Jiatong Shi , Siddhant Arora

Currently, end-to-end (E2E) speech recognition methods have achieved promising performance. However, auto speech recognition (ASR) models still face challenges in recognizing multi-accent speech accurately. We propose a layer-adapted fusion…

Sound · Computer Science 2024-07-04 Jinming Chen , Jingyi Fang , Yuanzhong Zheng , Yaoxuan Wang , Haojun Fei

Streaming voice conversion has become increasingly popular for its potential in real-time applications. The recently proposed DualVC 2 has achieved robust and high-quality streaming voice conversion with a latency of about 180ms.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Ziqian Ning , Shuai Wang , Pengcheng Zhu , Zhichao Wang , Jixun Yao , Lei Xie , Mengxiao Bi

The recent advancement of speech recognition technology has been driven by large-scale datasets and attention-based architectures, but many challenges still remain, especially for low-resource languages and dialects. This paper explores the…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-06 Jakob Poncelet , Hugo Van hamme

In this paper, we propose a novel technique for direct recognition of multiple speech streams given the single channel of mixed speech, without first separating them. Our technique is based on permutation invariant training (PIT) for…

Sound · Computer Science 2018-12-06 Dong Yu , Xuankai Chang , Yanmin Qian

Multilingual ASR technology simplifies model training and deployment, but its accuracy is known to depend on the availability of language information at runtime. Since language identity is seldom known beforehand in real-world scenarios, it…

Contextual biasing is essential to improving the recognition of rare and domain-specific words in an automatic speech recognition (ASR) system. While numerous methods have been proposed in recent years, most of them focus on offline…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-20 Kai-Chen Tsai , Tien-Hong Lo , Yun-Ting Sun , Berlin Chen

End-to-end transformer-based automatic speech recognition (ASR) systems often capture multiple speech traits in their learned representations that are highly entangled, leading to a lack of interpretability. In this study, we propose the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-28 Pu Wang , Hugo Van hamme

Streaming Automatic Speech Recognition (ASR) in voice assistants can utilize prefetching to partially hide the latency of response generation. Prefetching involves passing a preliminary ASR hypothesis to downstream systems in order to…

Computation and Language · Computer Science 2023-05-24 Andreas Schwarz , Di He , Maarten Van Segbroeck , Mohammed Hethnawi , Ariya Rastrow

End-to-end models are favored in automatic speech recognition (ASR) because of its simplified system structure and superior performance. Among these models, recurrent neural network transducer (RNN-T) has achieved significant progress in…

Sound · Computer Science 2020-11-18 Xiong Wang , Zhuoyuan Yao , Xian Shi , Lei Xie

Large encoder-decoder models like Whisper achieve strong offline transcription but remain impractical for streaming applications due to high latency. However, due to the accessibility of pre-trained checkpoints, the open Thai ASR landscape…