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With the increasing prevalence of voice-activated devices and applications, keyword spotting (KWS) models enable users to interact with technology hands-free, enhancing convenience and accessibility in various contexts. Deploying KWS models…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-29 Jonathan Svirsky , Uri Shaham , Ofir Lindenbaum

The performance of the keyword spotting (KWS) system based on audio modality, commonly measured in false alarms and false rejects, degrades significantly under the far field and noisy conditions. Therefore, audio-visual keyword spotting,…

Sound · Computer Science 2023-03-15 Ao Zhang , He Wang , Pengcheng Guo , Yihui Fu , Lei Xie , Yingying Gao , Shilei Zhang , Junlan Feng

This paper addresses the persistent challenge in Keyword Spotting (KWS), a fundamental component in speech technology, regarding the acquisition of substantial labeled data for training. Given the difficulty in obtaining large quantities of…

Sound · Computer Science 2024-09-04 Weinan Dai , Yifeng Jiang , Yuanjing Liu , Jinkun Chen , Xin Sun , Jinglei Tao

Confusing-words are commonly encountered in real-life keyword spotting applications, which causes severe degradation of performance due to complex spoken terms and various kinds of words that sound similar to the predefined keywords. To…

Machine Learning · Computer Science 2020-11-04 Yan Jia , Zexin Cai , Murong Ma , Zeqing Zhao , Xuyang Wang , Junjie Wang , Ming 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

Keyword spotting (KWS) in historical documents is an important tool for the initial exploration of digitized collections. Nowadays, the most efficient KWS methods are relying on machine learning techniques that require a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Sana Khamekhem Jemni , Sourour Ammar , Mohamed Ali Souibgui , Yousri Kessentini , Abbas Cheddad

Keyword Spotting plays a critical role in enabling hands-free interaction for battery-powered edge devices. Few-Shot Keyword Spotting (FS-KWS) addresses the scalability and adaptability challenges of traditional systems by enabling…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-09 Alican Gok , Oguzhan Buyuksolak , Osman Erman Okman , Murat Saraclar

Recent approaches to word sense disambiguation (WSD) utilize encodings of the sense gloss (definition), in addition to the input context, to improve performance. In this work we demonstrate that this approach can be adapted for use in…

Computation and Language · Computer Science 2023-12-19 Joshua Tanner , Jacob Hoffman

In this work we explore the latency and accuracy of keyword spotting (KWS) models in streaming and non-streaming modes on mobile phones. NN model conversion from non-streaming mode (model receives the whole input sequence and then returns…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-29 Oleg Rybakov , Natasha Kononenko , Niranjan Subrahmanya , Mirko Visontai , Stella Laurenzo

The goal of this work is to automatically determine whether and when a word of interest is spoken by a talking face, with or without the audio. We propose a zero-shot method suitable for in the wild videos. Our key contributions are: (1) a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-07 Liliane Momeni , Triantafyllos Afouras , Themos Stafylakis , Samuel Albanie , Andrew Zisserman

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

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

Keyword Spotting (KWS) is a critical aspect of audio-based applications on mobile devices and virtual assistants. Recent developments in Federated Learning (FL) have significantly expanded the ability to train machine learning models by…

Machine Learning · Computer Science 2023-05-10 Enmao Diao , Eric W. Tramel , Jie Ding , Tao Zhang

A personalized KeyWord Spotting (KWS) pipeline typically requires the training of a Deep Learning model on a large set of user-defined speech utterances, preventing fast customization directly applied on-device. To fill this gap, this paper…

Machine Learning · Computer Science 2023-06-06 Manuele Rusci , Tinne Tuytelaars

Keyword spotting (KWS) is crucial for many speech-driven applications, but robust KWS in noisy environments remains challenging. Conventional systems often rely on single-channel inputs and a cascaded pipeline separating front-end…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-11 Rui Wang , Zhifei Zhang , Yu Gao , Xiaofeng Mou , Yi Xu

In this paper, we propose a novel end-to-end user-defined keyword spotting method that utilizes linguistically corresponding patterns between speech and text sequences. Unlike previous approaches requiring speech keyword enrollment, our…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-04 Hyeon-Kyeong Shin , Hyewon Han , Doyeon Kim , Soo-Whan Chung , Hong-Goo Kang

Continuous Speech Keyword Spotting (CSKWS) is a task to detect predefined keywords in a continuous speech. In this paper, we regard CSKWS as a one-dimensional object detection task and propose a novel anchor-free detector, named AF-KWS, to…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-10 Zhiyuan Zhao , Chuanxin Tang , Chengdong Yao , Chong Luo

Visual keyword spotting (KWS) is the problem of estimating whether a text query occurs in a given recording using only video information. This paper focuses on visual KWS for words unseen during training, a real-world, practical setting…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Themos Stafylakis , Georgios Tzimiropoulos

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

Spoken keyword spotting (KWS) is the task of identifying a keyword in an audio stream and is widely used in smart devices at the edge in order to activate voice assistants and perform hands-free tasks. The task is daunting as there is a…

Computation and Language · Computer Science 2024-05-07 Mahmoud Salhab , Haidar Harmanani