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Statistical language models (LM) play a key role in Automatic Speech Recognition (ASR) systems used by conversational agents. These ASR systems should provide a high accuracy under a variety of speaking styles, domains, vocabulary and…

Conversational automatic speech recognition (ASR) is a task to recognize conversational speech including multiple speakers. Unlike sentence-level ASR, conversational ASR can naturally take advantages from specific characteristics of…

声音 · 计算机科学 2022-02-18 Kun Wei , Yike Zhang , Sining Sun , Lei Xie , Long Ma

Spoken question answering (SQA) is challenging due to complex reasoning on top of the spoken documents. The recent studies have also shown the catastrophic impact of automatic speech recognition (ASR) errors on SQA. Therefore, this work…

计算与语言 · 计算机科学 2019-04-18 Chia-Hsuan Lee , Yun-Nung Chen , Hung-Yi Lee

End-to-end automatic speech recognition systems often fail to transcribe domain-specific named entities, causing catastrophic failures in downstream tasks. Numerous fast and lightweight named entity correction (NEC) models have been…

Classroom speech and lectures often contain named entities (NEs) such as names of people and special terminology. While automatic speech recognition (ASR) systems have achieved remarkable performance on general speech, the word error rate…

计算与语言 · 计算机科学 2026-04-21 Viet Anh Trinh , Xinlu He , Jacob Whitehill

Useful conversational agents must accurately capture named entities to minimize error for downstream tasks, for example, asking a voice assistant to play a track from a certain artist, initiating navigation to a specific location, or…

Automatic Speech Recognition (ASR) systems have been evolving quickly and reaching human parity in certain cases. The systems usually perform pretty well on reading style and clean speech, however, most of the available systems suffer from…

计算与语言 · 计算机科学 2019-10-15 Quang Minh Nguyen , Thai Binh Nguyen , Ngoc Phuong Pham , The Loc Nguyen

We introduce AutoVER, an Autoregressive model for Visual Entity Recognition. Our model extends an autoregressive Multi-modal Large Language Model by employing retrieval augmented constrained generation. It mitigates low performance on…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Zilin Xiao , Ming Gong , Paola Cascante-Bonilla , Xingyao Zhang , Jie Wu , Vicente Ordonez

We integrate automatic speech recognition (ASR) and question answering (QA) to realize a speech-driven QA system, and evaluate its performance. We adapt an N-gram language model to natural language questions, so that the input of our system…

计算与语言 · 计算机科学 2007-05-23 Tomoyosi Akiba , Atsushi Fujii , Katunobu Itou

Automatic speech recognition (ASR) outcomes serve as input for downstream tasks, substantially impacting the satisfaction level of end-users. Hence, the diagnosis and enhancement of the vulnerabilities present in the ASR model bear…

计算与语言 · 计算机科学 2024-01-29 Seonmin Koo , Chanjun Park , Jinsung Kim , Jaehyung Seo , Sugyeong Eo , Hyeonseok Moon , Heuiseok Lim

Accurate recognition of slot values such as domain specific words or named entities by automatic speech recognition (ASR) systems forms the core of the Goal-oriented Dialogue Systems. Although it is a critical step with direct impact on…

音频与语音处理 · 电气工程与系统科学 2021-09-21 Dhanush Bekal , Ashish Shenoy , Monica Sunkara , Sravan Bodapati , Katrin Kirchhoff

End-to-End Automatic Speech Recognition (ASR) has advanced significantly yet still struggles with rare and domain-specific entities. This paper introduces a simple yet efficient prompt-based biasing technique for contextualized ASR,…

音频与语音处理 · 电气工程与系统科学 2026-01-21 Bo Ren , Yu Shi , Jinyu Li

Recent developments in natural language processing (NLP) have highlighted the need for substantial amounts of data for models to capture textual information accurately. This raises concerns regarding the computational resources and time…

机器学习 · 计算机科学 2024-02-26 Roxana Petcu , Subhadeep Maji

While pre-trained automatic speech recognition (ASR) systems demonstrate impressive performance on matched domains, their performance often degrades when confronted with channel mismatch stemming from unseen recording environments and…

声音 · 计算机科学 2025-01-09 Chien-Chun Wang , Li-Wei Chen , Cheng-Kang Chou , Hung-Shin Lee , Berlin Chen , Hsin-Min Wang

Automatic speech recognition (ASR) systems have achieved strong performance on general transcription tasks. However, they continue to struggle with recognizing rare named entities and adapting to domain mismatches. In contrast, large…

计算与语言 · 计算机科学 2025-08-21 Shaoshi Ling , Guoli Ye

Automatic speech recognition (ASR) is a key area in computational linguistics, focusing on developing technologies that enable computers to convert spoken language into text. This field combines linguistics and machine learning. ASR models,…

计算与语言 · 计算机科学 2024-06-27 Anish Saha , A. G. Ramakrishnan

We propose a new framework to improve automatic speech recognition (ASR) systems in resource-scarce environments using a generative adversarial network (GAN) operating on acoustic input features. The GAN is used to enhance the features of…

声音 · 计算机科学 2022-10-07 Walter Heymans , Marelie H. Davel , Charl van Heerden

Automatic Speech Recognition (ASR) plays a crucial role in human-machine interaction and serves as an interface for a wide range of applications. Traditionally, ASR performance has been evaluated using Word Error Rate (WER), a metric that…

音频与语音处理 · 电气工程与系统科学 2025-07-23 Sujith Pulikodan , Sahapthan K , Prasanta Kumar Ghosh , Visruth Sanka , Nihar Desai

This paper presents TEVR, a speech recognition model designed to minimize the variation in token entropy w.r.t. to the language model. This takes advantage of the fact that if the language model will reliably and accurately predict a token…

计算与语言 · 计算机科学 2022-06-28 Hajo Nils Krabbenhöft , Erhardt Barth

Employing pre-trained language models (LM) to extract contextualized word representations has achieved state-of-the-art performance on various NLP tasks. However, applying this technique to noisy transcripts generated by automatic speech…

计算与语言 · 计算机科学 2020-11-03 Chao-Wei Huang , Yun-Nung Chen