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RNN-T-based keyword spotting (KWS) with autoregressive decoding~(AR) has gained attention due to its streaming architecture and superior performance. However, the simplicity of the prediction network in RNN-T poses an overfitting issue,…

Sound · Computer Science 2025-06-02 Yu Xi , Xiaoyu Gu , Haoyu Li , Jun Song , Bo Zheng , Kai Yu

Within the audio research community and the industry, keyword spotting (KWS) and audio tagging (AT) are seen as two distinct tasks and research fields. However, from a technical point of view, both of these tasks are identical: they predict…

Sound · Computer Science 2022-09-26 Heinrich Dinkel , Yongqing Wang , Zhiyong Yan , Junbo Zhang , Yujun Wang

End-to-end (E2E) systems have achieved competitive results compared to conventional hybrid hidden Markov model (HMM)-deep neural network based automatic speech recognition (ASR) systems. Such E2E systems are attractive due to the lack of…

Computation and Language · Computer Science 2018-02-14 Kartik Audhkhasi , Andrew Rosenberg , Abhinav Sethy , Bhuvana Ramabhadran , Brian Kingsbury

Few-shot keyword spotting (FS-KWS) models usually require large-scale annotated datasets to generalize to unseen target keywords. However, existing KWS datasets are limited in scale and gathering keyword-like labeled data is costly…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-06 Seunghan Yang , Byeonggeun Kim , Kyuhong Shim , Simyung Chang

Recent advancements have highlighted the efficacy of self-supervised learning (SSL) features in various speech-related tasks, providing lightweight and versatile multi-view speech representations. However, our study reveals that while SSL…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-15 Weiqiao Shan , Yuhao Zhang , Yuchen Han , Bei Li , Xiaofeng Zhao , Yuang Li , Min Zhang , Hao Yang , Tong Xiao , Jingbo Zhu

Numerous methods have been proposed to enhance Keyword Spotting (KWS) in adult speech, but children's speech presents unique challenges for KWS systems due to its distinct acoustic and linguistic characteristics. This paper introduces a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-01 Subham Kutum , Abhijit Sinha , Hemant Kumar Kathania , Sudarsana Reddy Kadiri , Mahesh Chandra Govil

Cued Speech (CS) is a pure visual coding method used by hearing-impaired people that combines lip reading with several specific hand shapes to make the spoken language visible. Automatic CS recognition (ACSR) seeks to transcribe visual cues…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Lei Liu , Li Liu , Haizhou Li

Open-vocabulary keyword spotting (KWS) with text-based enrollment has emerged as a flexible alternative to fixed-phrase triggers. Prior utterance-level matching methods, from an embedding-learning standpoint, learn embeddings at a single…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Youngmoon Jung , Myunghun Jung , Joon-Young Yang , Yong-Hyeok Lee , Jaeyoung Roh , Hoon-Young Cho

Acoustic Word Embeddings (AWEs) improve the efficiency of speech retrieval tasks such as Spoken Term Detection (STD) and Keyword Spotting (KWS). However, existing approaches suffer from limitations, including unimodal supervision, disjoint…

Sound · Computer Science 2025-12-17 Ramesh Gundluru , Shubham Gupta , Sri Rama Murty K

Speech signal processing is a cornerstone of modern communication technologies, tasked with improving the clarity and comprehensibility of audio data in noisy environments. The primary challenge in this field is the effective separation and…

Sound · Computer Science 2025-10-07 Abdulhady Abas Abdullah , Aram Mahmood Ahmed , Tarik Rashid , Hadi Veisi

Vision Transformer (ViT) has emerged as a prominent backbone for computer vision. For more efficient ViTs, recent works lessen the quadratic cost of the self-attention layer by pruning or fusing the redundant tokens. However, these works…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Sanghyeok Lee , Joonmyung Choi , Hyunwoo J. Kim

In recent years, there has been an increasing focus on user convenience, leading to increased interest in text-based keyword enrollment systems for keyword spotting (KWS). Since the system utilizes text input during the enrollment phase and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-31 Youngmoon Jung , Seungjin Lee , Joon-Young Yang , Jaeyoung Roh , Chang Woo Han , Hoon-Young Cho

In this paper we explore the possibility of maximizing the information represented in spectrograms by making the spectrogram basis functions trainable. We experiment with two different tasks, namely keyword spotting (KWS) and automatic…

Sound · Computer Science 2022-04-26 Kwan Yee Heung , Kin Wai Cheuk , Dorien Herremans

Recently, with the emergence of large language models, multimodal LLMs have demonstrated exceptional capabilities in image and video modalities. Despite advancements in video comprehension, the substantial computational demands of long…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Ming Nie , Chunwei Wang , Hang Xu , Li Zhang

Concurrent Speaker Detection (CSD), the task of identifying active speakers and their overlaps in an audio signal, is essential for various audio applications, including meeting transcription, speaker diarization, and speech separation.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-16 Amit Eliav , Sharon Gannot

Infrared-visible image fusion methods aim at generating fused images with good visual quality and also facilitate the performance of high-level tasks. Indeed, existing semantic-driven methods have considered semantic information injection…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Liying Wang , Xiaoli Zhang , Chuanmin Jia , Siwei Ma

Keyword Spotting (KWS) provides the start signal of ASR problem, and thus it is essential to ensure a high recall rate. However, its real-time property requires low computation complexity. This contradiction inspires people to find a…

Computation and Language · Computer Science 2018-11-07 Yixiao Qu , Sihao Xue , Zhenyi Ying , Hang Zhou , Jue Sun

Audio-visual speech separation methods aim to integrate different modalities to generate high-quality separated speech, thereby enhancing the performance of downstream tasks such as speech recognition. Most existing state-of-the-art (SOTA)…

Sound · Computer Science 2024-03-22 Samuel Pegg , Kai Li , Xiaolin Hu

Atomic lock-free multi-word compare-and-swap (MCAS) is a powerful tool for designing concurrent algorithms. Yet, its widespread usage has been limited because lock-free implementations of MCAS make heavy use of expensive compare-and-swap…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-08-07 Rachid Guerraoui , Alex Kogan , Virendra J. Marathe , Igor Zablotchi

In this paper, we investigate representation learning for low-resource keyword spotting (KWS). The main challenges of KWS are limited labeled data and limited available device resources. To address those challenges, we explore…

Sound · Computer Science 2023-03-21 Fan Cui , Liyong Guo , Quandong Wang , Peng Gao , Yujun Wang