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Related papers: Multilingual Query-by-Example Keyword Spotting wit…

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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

This paper introduces a novel approach for streaming openvocabulary keyword spotting (KWS) with text-based keyword enrollment. For every input frame, the proposed method finds the optimal alignment ending at the frame using connectionist…

Sound · Computer Science 2024-09-27 Sichen Jin , Youngmoon Jung , Seungjin Lee , Jaeyoung Roh , Changwoo Han , Hoonyoung Cho

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

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

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

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

One of the challenges in developing a high quality custom keyword spotting (KWS) model is the lengthy and expensive process of collecting training data covering a wide range of languages, phrases and speaking styles. We introduce Synth4Kws…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-06 Pai Zhu , Dhruuv Agarwal , Jacob W. Bartel , Kurt Partridge , Hyun Jin Park , Quan Wang

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

This paper proposes a neural network architecture for tackling the query-by-example user-defined keyword spotting task. A multi-head attention module is added on top of a multi-layered GRU for effective feature extraction, and a normalized…

Computation and Language · Computer Science 2021-05-11 Jinmiao Huang , Waseem Gharbieh , Han Suk Shim , Eugene Kim

Spoken keyword spotting (KWS) is crucial for identifying keywords within audio inputs and is widely used in applications like Apple Siri and Google Home, particularly on edge devices. Current deep learning-based KWS systems, which are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-14 Tianyi Peng , Yang Xiao

We propose using cascaded classifiers for a keyword spotting (KWS) task on narrow-band (NB), 8kHz audio acquired in non-IID environments -- a more challenging task than most state-of-the-art KWS systems face. We present a model that…

Machine Learning · Computer Science 2025-04-28 Ahmad AbdulKader , Kareem Nassar , Mohamed El-Geish , Daniel Galvez , Chetan Patil

Detecting occurrences of keywords with keyword spotting (KWS) systems requires thresholding continuous detection scores. Selecting appropriate thresholds is a non-trivial task, typically relying on optimizing performance on a validation…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-23 Kevin Wilkinghoff , Alessia Cornaggia-Urrigshardt , Zheng-Hua Tan

This article presents a method for improving a keyword spotter (KWS) algorithm in noisy environments. Although beamforming (BF) and adaptive noise cancellation (ANC) techniques are robust in some conditions, they may degrade the performance…

Non-invasive brain-computer interfaces (BCIs) are beginning to benefit from large, public benchmarks. However, current benchmarks target relatively simple, foundational tasks like Speech Detection and Phoneme Classification, while…

Machine Learning · Computer Science 2025-10-31 Gereon Elvers , Gilad Landau , Oiwi Parker Jones

Smart audio devices are gated by an always-on lightweight keyword spotting program to reduce power consumption. It is however challenging to design models that have both high accuracy and low latency for accurate and fast responsiveness.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-23 Bo Zhang , Wenfeng Li , Qingyuan Li , Weiji Zhuang , Xiangxiang Chu , Yujun Wang

Most of the existing neural-based models for keyword spotting (KWS) in smart devices require thousands of training samples to learn a decent audio representation. However, with the rising demand for smart devices to become more…

Keyword spotting (KWS) has become an indispensable part of many intelligent devices surrounding us, as audio is one of the most efficient ways of interacting with these devices. The accuracy and performance of KWS solutions have been the…

Sound · Computer Science 2021-11-10 Mehmet Gorkem Ulkar , Osman Erman Okman

This paper explores the use of TTS synthesized training data for KWS (keyword spotting) task while minimizing development cost and time. Keyword spotting models require a huge amount of training data to be accurate, and obtaining such…

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

Keyword Spotting (KWS) is an essential component in a smart device for alerting the system when a user prompts it with a command. As these devices are typically constrained by computational and energy resources, the KWS model should be…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-24 Donghyeon Kim , Kyungdeuk Ko , David K. Han , Hanseok Ko