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Spoken Language Understanding (SLU) typically comprises of an automatic speech recognition (ASR) followed by a natural language understanding (NLU) module. The two modules process signals in a blocking sequential fashion, i.e., the NLU…

Computation and Language · Computer Science 2020-12-01 Prashanth Gurunath Shivakumar , Naveen Kumar , Panayiotis Georgiou , Shrikanth Narayanan

Spoken language understanding (SLU) is an essential component in conversational systems. Most SLU component treats each utterance independently, and then the following components aggregate the multi-turn information in the separate phases.…

Computation and Language · Computer Science 2017-12-12 Po-Chun Chen , Ta-Chung Chi , Shang-Yu Su , Yun-Nung Chen

In this paper, we perform an exhaustive evaluation of different representations to address the intent classification problem in a Spoken Language Understanding (SLU) setup. We benchmark three types of systems to perform the SLU intent…

Spoken Language Understanding (SLU) converts hypotheses from automatic speech recognizer (ASR) into structured semantic representations. ASR recognition errors can severely degenerate the performance of the subsequent SLU module. To address…

Computation and Language · Computer Science 2020-09-09 Chen Liu , Su Zhu , Zijian Zhao , Ruisheng Cao , Lu Chen , Kai Yu

Spoken Language Understanding (SLU) is a task that aims to extract semantic information from spoken utterances. Previous research has made progress in end-to-end SLU by using paired speech-text data, such as pre-trained Automatic Speech…

Computation and Language · Computer Science 2023-07-11 Guan-Wei Wu , Guan-Ting Lin , Shang-Wen Li , Hung-yi Lee

Code-switching automatic speech recognition (ASR) aims to transcribe speech that contains two or more languages accurately. To better capture language-specific speech representations and address language confusion in code-switching ASR, the…

Sound · Computer Science 2025-01-10 He Wang , Xucheng Wan , Naijun Zheng , Kai Liu , Huan Zhou , Guojian Li , Lei Xie

Recently, deep end-to-end learning has been studied for intent classification in Spoken Language Understanding (SLU). However, end-to-end models require a large amount of speech data with intent labels, and highly optimized models are…

Computation and Language · Computer Science 2024-05-27 Suyoung Kim , Jiyeon Hwang , Ho-Young Jung

Lip Reading, or Visual Automatic Speech Recognition (V-ASR), is a complex task requiring the interpretation of spoken language exclusively from visual cues, primarily lip movements and facial expressions. This task is especially challenging…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Marshall Thomas , Edward Fish , Richard Bowden

Collecting sufficient labeled data for spoken language understanding (SLU) is expensive and time-consuming. Recent studies achieved promising results by using pre-trained models in low-resource scenarios. Inspired by this, we aim to ask:…

Computation and Language · Computer Science 2022-11-17 Yifan Peng , Siddhant Arora , Yosuke Higuchi , Yushi Ueda , Sujay Kumar , Karthik Ganesan , Siddharth Dalmia , Xuankai Chang , Shinji Watanabe

Speech-enabled systems typically first convert audio to text through an automatic speech recognition (ASR) model and then feed the text to downstream natural language processing (NLP) modules. The errors of the ASR system can seriously…

Computation and Language · Computer Science 2021-03-26 Tong Cui , Jinghui Xiao , Liangyou Li , Xin Jiang , Qun Liu

Multi-Intent Spoken Language Understanding (SLU), a novel and more complex scenario of SLU, is attracting increasing attention. Unlike traditional SLU, each intent in this scenario has its specific scope. Semantic information outside the…

Computation and Language · Computer Science 2022-11-23 Lizhi Cheng , Wenmian Yang , Weijia Jia

Understanding spoken language is a highly complex problem, which can be decomposed into several simpler tasks. In this paper, we focus on Spoken Language Understanding (SLU), the module of spoken dialog systems responsible for extracting a…

Computation and Language · Computer Science 2017-06-22 Marco Dinarelli , Yoann Dupont , Isabelle Tellier

Spoken Language Understanding (SLU) consists of two sub-tasks: intent detection (ID) and slot filling (SF). Given its broad range of real-world applications, enhancing SLU for practical deployment is increasingly critical. Profile-based SLU…

Artificial Intelligence · Computer Science 2025-11-25 Di Wu , Liting Jiang , Ruiyu Fang , Bianjing , Hongyan Xie , Haoxiang Su , Hao Huang , Zhongjiang He , Shuangyong Song , Xuelong Li

We propose a novel deliberation-based approach to end-to-end (E2E) spoken language understanding (SLU), where a streaming automatic speech recognition (ASR) model produces the first-pass hypothesis and a second-pass natural language…

Computation and Language · Computer Science 2022-09-08 Duc Le , Akshat Shrivastava , Paden Tomasello , Suyoun Kim , Aleksandr Livshits , Ozlem Kalinli , Michael L. Seltzer

Enriching the quality of early childhood education with interactive math learning at home systems, empowered by recent advances in conversational AI technologies, is slowly becoming a reality. With this motivation, we implement a multimodal…

Computers and Society · Computer Science 2023-06-02 Eda Okur , Roddy Fuentes Alba , Saurav Sahay , Lama Nachman

The quality of automatic speech recognition (ASR) is critical to Dialogue Systems as ASR errors propagate to and directly impact downstream tasks such as language understanding (LU). In this paper, we propose multi-task neural approaches to…

Spoken language understanding (SLU) systems extract both text transcripts and semantics associated with intents and slots from input speech utterances. SLU systems usually consist of (1) an automatic speech recognition (ASR) module, (2) an…

Computation and Language · Computer Science 2022-07-27 Anirudh Raju , Milind Rao , Gautam Tiwari , Pranav Dheram , Bryan Anderson , Zhe Zhang , Chul Lee , Bach Bui , Ariya Rastrow

As Automatic Speech Processing (ASR) systems are getting better, there is an increasing interest of using the ASR output to do downstream Natural Language Processing (NLP) tasks. However, there are few open source toolkits that can be used…

There has been an increased interest in the integration of pretrained speech recognition (ASR) and language models (LM) into the SLU framework. However, prior methods often struggle with a vocabulary mismatch between pretrained models, and…

Computation and Language · Computer Science 2023-07-21 Siddhant Arora , Hayato Futami , Yosuke Kashiwagi , Emiru Tsunoo , Brian Yan , Shinji Watanabe

Spoken Language Understanding (SLU), including intent detection and slot filling, is a core component in human-computer interaction. The natural attributes of the relationship among the two subtasks make higher requirements on fine-grained…

Computation and Language · Computer Science 2021-08-27 Dongsheng Chen , Zhiqi Huang , Yuexian Zou