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The common standard for quality evaluation of automatic speech recognition (ASR) systems is reference-based metrics such as the Word Error Rate (WER), computed using manual ground-truth transcriptions that are time-consuming and expensive…

Computation and Language · Computer Science 2023-06-26 Kamer Ali Yuksel , Thiago Ferreira , Ahmet Gunduz , Mohamed Al-Badrashiny , Golara Javadi

Although much work in NLP has focused on measuring and mitigating stereotypical bias in semantic spaces, research addressing bias in computational argumentation is still in its infancy. In this paper, we address this research gap and…

Computation and Language · Computer Science 2022-04-11 Carolin Holtermann , Anne Lauscher , Simone Paolo Ponzetto

An effective way to increase the noise robustness of automatic speech recognition is to label noisy speech features as either reliable or unreliable (missing) prior to decoding, and to replace the missing ones by clean speech estimates. We…

Sound · Computer Science 2009-01-19 J. F. Gemmeke , B. Cranen

Keyword spotting is often implemented by keyword classifier to the encoder in acoustic models, enabling the classification of predefined or open vocabulary keywords. Although keyword spotting is a crucial task in various applications and…

Sound · Computer Science 2025-01-22 Myeonghoon Ryu , June-Woo Kim , Minseok Oh , Suji Lee , Han Park

Open-vocabulary keyword spotting (KWS) in continuous speech streams holds significant practical value across a wide range of real-world applications. While increasing attention has been paid to the role of different modalities in KWS, their…

Sound · Computer Science 2025-12-18 Kewei Li , Yinan Zhong , Xiaotao Liang , Tianchi Dai , Shaofei Xue

The Transformer architecture has been successful across many domains, including natural language processing, computer vision and speech recognition. In keyword spotting, self-attention has primarily been used on top of convolutional or…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-11 Axel Berg , Mark O'Connor , Miguel Tairum Cruz

Is pushing numbers on a single benchmark valuable in automatic speech recognition? Research results in acoustic modeling are typically evaluated based on performance on a single dataset. While the research community has coalesced around…

Small footprint embedded devices require keyword spotters (KWS) with small model size and detection latency for enabling voice assistants. Such a keyword is often referred to as \textit{wake word} as it is used to wake up voice assistant…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-16 Christin Jose , Yuriy Mishchenko , Thibaud Senechal , Anish Shah , Alex Escott , Shiv Vitaladevuni

Active speaker detection is a challenging task in audio-visual scenario understanding, which aims to detect who is speaking in one or more speakers scenarios. This task has received extensive attention as it is crucial in applications such…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Junhua Liao , Haihan Duan , Kanghui Feng , Wanbing Zhao , Yanbing Yang , Liangyin Chen

In this paper, we introduce a streaming keyphrase detection system that can be easily customized to accurately detect any phrase composed of words from a large vocabulary. The system is implemented with an end-to-end trained automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-16 Rajeev Rikhye , Quan Wang , Qiao Liang , Yanzhang He , Ding Zhao , Yiteng , Huang , Arun Narayanan , Ian McGraw

Wake word (WW) spotting is challenging in far-field not only because of the interference in signal transmission but also the complexity in acoustic environments. Traditional WW model training requires large amount of in-domain WW-specific…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-15 Yixin Gao , Yuriy Mishchenko , Anish Shah , Spyros Matsoukas , Shiv Vitaladevuni

The cost of annotating transcriptions for large speech corpora becomes a bottleneck to maximally enjoy the potential capacity of deep neural network-based automatic speech recognition models. In this paper, we present a new training…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-06 Jihwan Bang , Heesu Kim , YoungJoon Yoo , Jung-Woo Ha

This paper addresses the problem of automatic speech recognition (ASR) of a target speaker in background speech. The novelty of our approach is that we focus on a wakeup keyword, which is usually used for activating ASR systems like smart…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-08 Yusuke Kida , Dung Tran , Motoi Omachi , Toru Taniguchi , Yuya Fujita

Linguistic bias in online news and social media is widespread but difficult to measure. Yet, its identification and quantification remain difficult due to subjectivity, context dependence, and the scarcity of high-quality gold-label…

Information Retrieval · Computer Science 2025-12-17 Fabian Haak , Philipp Schaer

Recent research on word-level confidence estimation for speech recognition systems has primarily focused on lightweight models known as Confidence Estimation Modules (CEMs), which rely on hand-engineered features derived from Automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-20 Vaibhav Aggarwal , Shabari S Nair , Yash Verma , Yash Jogi

Mounting privacy legislation calls for the preservation of privacy in speech technology, though solutions are gravely lacking. While evaluation campaigns are long-proven tools to drive progress, the need to consider a privacy adversary…

Weak supervision (WS) is a popular approach for label-efficient learning, leveraging diverse sources of noisy but inexpensive weak labels to automatically annotate training data. Despite its wide usage, WS and its practical value are…

Machine Learning · Computer Science 2025-01-31 Tianyi Zhang , Linrong Cai , Jeffrey Li , Nicholas Roberts , Neel Guha , Jinoh Lee , Frederic Sala

Automatic speech quality assessment is an important, transversal task whose progress is hampered by the scarcity of human annotations, poor generalization to unseen recording conditions, and a lack of flexibility of existing approaches. In…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-09 Joan Serrà , Jordi Pons , Santiago Pascual

Common datasets have the form of elements with keys (e.g., transactions and products) and the goal is to perform analytics on the aggregated form of key and frequency pairs. A weighted sample of keys by (a function of) frequency is a highly…

Machine Learning · Computer Science 2021-04-01 Edith Cohen , Ofir Geri , Tamas Sarlos , Uri Stemmer

Though some recent works focus on injecting sentiment knowledge into pre-trained language models, they usually design mask and reconstruction tasks in the post-training phase. In this paper, we aim to benefit from sentiment knowledge in a…

Computation and Language · Computer Science 2022-02-25 Qinghua Zhao , Shuai Ma , Shuo Ren