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Related papers: Small-footprint Keyword Spotting Using Deep Neural…

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In this paper, we aim to improve the robustness of Keyword Spotting (KWS) systems in noisy environments while keeping a small memory footprint. We propose a new convolutional neural network (CNN) called FCA-Net, which combines mixer…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-30 Yuanxi Lin , Yuriy Evgenyevich Gapanyuk

This paper introduces neural architecture search (NAS) for the automatic discovery of small models for keyword spotting (KWS) in limited resource environments. We employ a differentiable NAS approach to optimize the structure of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-21 David Peter , Wolfgang Roth , Franz Pernkopf

We explore Neural Networks (NNs) for keyword spotting (KWS) on IoT devices like smart speakers and wearables. Since we target to execute our NN on a constrained memory and computation footprint, we propose a CNN design that. (i) uses a…

Machine Learning · Computer Science 2021-01-05 Rakesh Dhakshinamurthy

Keyword Spotting (KWS) from speech signals is widely applied to perform fully hands-free speech recognition. The KWS network is designed as a small-footprint model so it can continuously be active. Recent efforts have explored dynamic…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-25 Donghyeon Kim , Kyungdeuk Ko , Jeonggi Kwak , David K. Han , Hanseok Ko

Keyword spotting (KWS) is a key enabling technology for hands-free interaction in embedded and IoT devices, where stringent memory and energy constraints challenge the deployment of AI-enabeld devices. In this work, we systematically…

Keyword spotting (KWS) is beneficial for voice-based user interactions with low-power devices at the edge. The edge devices are usually always-on, so edge computing brings bandwidth savings and privacy protection. The devices typically have…

Sound · Computer Science 2022-08-05 Jingyi Wang , Shengchen Li

Keyword spotting (KWS) is an essential function that enables interaction with ubiquitous smart devices. However, in resource-limited devices, KWS models are often static and can thus not adapt to new scenarios, such as added keywords. To…

We use dynamic time warping (DTW) as supervision for training a convolutional neural network (CNN) based keyword spotting system using a small set of spoken isolated keywords. The aim is to allow rapid deployment of a keyword spotting…

Computation and Language · Computer Science 2018-06-26 Raghav Menon , Herman Kamper , John Quinn , Thomas Niesler

Catastrophic forgetting is a thorny challenge when updating keyword spotting (KWS) models after deployment. To tackle such challenges, we propose a progressive continual learning strategy for small-footprint spoken keyword spotting…

Computation and Language · Computer Science 2022-02-08 Yizheng Huang , Nana Hou , Nancy F. Chen

Keyword Spotting (KWS) systems with small footprint models deployed on edge devices face significant accuracy and robustness challenges due to domain shifts caused by varying noise and recording conditions. To address this, we propose a…

Sound · Computer Science 2026-01-23 Prakash Dhungana , Sayed Ahmad Salehi

In this paper, we propose DS-KWS, a two-stage framework for robust user-defined keyword spotting. It combines a CTC-based method with a streaming phoneme search module to locate candidate segments, followed by a QbyT-based method with a…

Sound · Computer Science 2025-10-14 Zhiqi Ai , Han Cheng , Yuxin Wang , Shiyi Mu , Shugong Xu , Yongjin Zhou

Spoken keyword spotting (KWS) aims to identify keywords in audio for wide applications, especially on edge devices. Current small-footprint KWS systems focus on efficient model designs. However, their inference performance can decline in…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-21 Yang Xiao , Tianyi Peng , Yanghao Zhou , Rohan Kumar Das

In this study, we investigate the application of keyword spotting (KWS) in the domain of Hindi speech recognition, utilizing a dataset comprising 40,000 audio samples. With a sampling rate of 44 kHz and an average duration of 1.9 seconds…

Sound · Computer Science 2026-05-06 Saru Bharti , Pushparaj Mani Pathak

We develop streaming keyword spotting systems using a recurrent neural network transducer (RNN-T) model: an all-neural, end-to-end trained, sequence-to-sequence model which jointly learns acoustic and language model components. Our models…

Computation and Language · Computer Science 2017-10-27 Yanzhang He , Rohit Prabhavalkar , Kanishka Rao , Wei Li , Anton Bakhtin , Ian McGraw

Keyword spotting (KWS) is experiencing an upswing due to the pervasiveness of small electronic devices that allow interaction with them via speech. Often, KWS systems are speaker-independent, which means that any person --user or not--…

Sound · Computer Science 2019-06-27 Iván López-Espejo , Zheng-Hua Tan , Jesper Jensen

User-defined keyword spotting (KWS) is crucial for personalized voice interaction, yet existing methods face several challenges: (1) insufficient discriminability among confusable words, (2) performance inconsistency across speakers with…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-22 Zhiqi Ai , Han Cheng , Shiyi Mu , Xinnuo Li , Yongjin Zhou , Shugong Xu

Spoken keyword spotting (KWS) deals with the identification of keywords in audio streams and has become a fast-growing technology thanks to the paradigm shift introduced by deep learning a few years ago. This has allowed the rapid embedding…

Sound · Computer Science 2021-11-23 Iván López-Espejo , Zheng-Hua Tan , John Hansen , Jesper Jensen

Speech recognition is a sequence prediction problem. Besides employing various deep learning approaches for framelevel classification, sequence-level discriminative training has been proved to be indispensable to achieve the…

Computation and Language · Computer Science 2018-08-20 Zhehuai Chen , Yanmin Qian , Kai Yu

Keyword spotting (KWS) on mobile devices generally requires a small memory footprint. However, most current models still maintain a large number of parameters in order to ensure good performance. In this paper, we propose a temporally…

Sound · Computer Science 2021-08-30 Shenghua Hu , Jing Wang , Yujun Wang , Wenjing Yang

Keyword Spotting (KWS) is essential in edge computing requiring rapid and energy-efficient responses. Spiking Neural Networks (SNNs) are well-suited for KWS for their efficiency and temporal capacity for speech. To further reduce the…

Sound · Computer Science 2024-06-19 Zeyang Song , Qianhui Liu , Qu Yang , Yizhou Peng , Haizhou Li