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Related papers: Contextual Biasing for Streaming ASR via CTC-based…

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Speech-aware LLMs (SLLMs) have recently achieved state-of-the-art ASR performance; however, they still fail to accurately transcribe bias words that appear rarely or never in the training data. Contextual biasing mechanisms are commonly…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-15 Sashi Novitasari , Takashi Fukuda , Kurata Gakuto , George Saon

We extend the frameworks of Serialized Output Training (SOT) to address practical needs of both streaming and offline automatic speech recognition (ASR) applications. Our approach focuses on balancing latency and accuracy, catering to…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-18 Aswin Shanmugam Subramanian , Amit Das , Naoyuki Kanda , Jinyu Li , Xiaofei Wang , Yifan Gong

Contextual biasing (CB) improves automatic speech recognition for rare and unseen phrases. Recent studies have introduced dynamic vocabulary, which represents context phrases as expandable tokens in autoregressive (AR) models. This method…

Computation and Language · Computer Science 2025-06-04 Yui Sudo , Yosuke Fukumoto , Muhammad Shakeel , Yifan Peng , Chyi-Jiunn Lin , Shinji Watanabe

This paper presents a novel donor data selection method to enhance low-resource automatic speech recognition (ASR). While ASR performs well in high-resource languages, its accuracy declines in low-resource settings due to limited training…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-30 Shunsuke Mitsumori , Sara Kashiwagi , Keitaro Tanaka , Shigeo Morishima

Keyword spotting (KWS) is essential for voice-driven applications, demanding both accuracy and efficiency. Traditional ASR-based KWS methods, such as greedy and beam search, explore the entire search space without explicitly prioritizing…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-01 Yu Xi , Haoyu Li , Xiaoyu Gu , Yidi Jiang , Kai Yu

The growing prevalence of online conferences and courses presents a new challenge in improving automatic speech recognition (ASR) with enriched textual information from video slides. In contrast to rare phrase lists, the slides within…

Sound · Computer Science 2024-01-15 Fan Yu , Haoxu Wang , Xian Shi , Shiliang Zhang

Fast contextual adaptation has shown to be effective in improving Automatic Speech Recognition (ASR) of rare words and when combined with an on-device personalized training, it can yield an even better recognition result. However, the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-08 Tsendsuren Munkhdalai , Khe Chai Sim , Angad Chandorkar , Fan Gao , Mason Chua , Trevor Strohman , Françoise Beaufays

Non-autoregressive (NAR) modeling has gained more and more attention in speech processing. With recent state-of-the-art attention-based automatic speech recognition (ASR) structure, NAR can realize promising real-time factor (RTF)…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-21 Tianzi Wang , Yuya Fujita , Xuankai Chang , Shinji Watanabe

Developers need to perform adequate testing to ensure the quality of Automatic Speech Recognition (ASR) systems. However, manually collecting required test cases is tedious and time-consuming. Our recent work proposes CrossASR, a…

Software Engineering · Computer Science 2022-01-06 Muhammad Hilmi Asyrofi , Zhou Yang , David Lo

We present a state-of-the-art end-to-end Automatic Speech Recognition (ASR) model. We learn to listen and write characters with a joint Connectionist Temporal Classification (CTC) and attention-based encoder-decoder network. The encoder is…

Computation and Language · Computer Science 2017-06-12 Takaaki Hori , Shinji Watanabe , Yu Zhang , William Chan

Recent works in speech recognition rely either on connectionist temporal classification (CTC) or sequence-to-sequence models for character-level recognition. CTC assumes conditional independence of individual characters, whereas…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Stavros Petridis , Themos Stafylakis , Pingchuan Ma , Georgios Tzimiropoulos , Maja Pantic

In this work, we propose novel decoding algorithms to enable streaming automatic speech recognition (ASR) on unsegmented long-form recordings without voice activity detection (VAD), based on monotonic chunkwise attention (MoChA) with an…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-16 Hirofumi Inaguma , Tatsuya Kawahara

Research on continuous sign language recognition (CSLR) is essential to bridge the communication gap between deaf and hearing individuals. Numerous previous studies have trained their models using the connectionist temporal classification…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Ronglai Zuo , Fangyun Wei , Brian Mak

Attention-based methods and Connectionist Temporal Classification (CTC) network have been promising research directions for end-to-end (E2E) Automatic Speech Recognition (ASR). The joint CTC/Attention model has achieved great success by…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-22 Ruizhi Li , Xiaofei Wang , Sri Harish Mallidi , Shinji Watanabe , Takaaki Hori , Hynek Hermansky

We design an online end-to-end speech recognition system based on Time-Depth Separable (TDS) convolutions and Connectionist Temporal Classification (CTC). We improve the core TDS architecture in order to limit the future context and hence…

Scores from traditional confidence classifiers (CCs) in automatic speech recognition (ASR) systems lack universal interpretation and vary with updates to the underlying confidence or acoustic models (AMs). In this work, we build…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-02 Amber Afshan , Kshitiz Kumar , Jian Wu

In this paper, we propose a context-aware keyword spotting model employing a character-level recurrent neural network (RNN) for spoken term detection in continuous speech. The RNN is end-to-end trained with connectionist temporal…

Computation and Language · Computer Science 2015-12-31 Kyuyeon Hwang , Minjae Lee , Wonyong Sung

With the recent advances in technology, automatic speech recognition (ASR) has been widely used in real-world applications. The efficiency of converting large amounts of speech into text accurately with limited resources has become more…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-09 Yoo Rhee Oh , Kiyoung Park , Jeon Gyu Park

Automatic speech recognition (ASR) systems have achieved remarkable performance in common conditions but often struggle to leverage long-context information in contextualized scenarios that require domain-specific knowledge, such as…

Computation and Language · Computer Science 2026-01-26 Yiming Rong , Yixin Zhang , Ziyi Wang , Deyang Jiang , Yunlong Zhao , Haoran Wu , Shiyu Zhou , Bo Xu

The goal of this work is to train strong models for visual speech recognition without requiring human annotated ground truth data. We achieve this by distilling from an Automatic Speech Recognition (ASR) model that has been trained on a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Triantafyllos Afouras , Joon Son Chung , Andrew Zisserman
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