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Related papers: Sparse Binarization for Fast Keyword Spotting

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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

In the paper we present an architecture of a keyword spotting (KWS) system that is based on modern neural networks, yields good performance on various types of speech data and can run very fast. We focus mainly on the last aspect and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-09 Jan Nouza , Petr Cerva , Jindrich Zdansky

Robustness against noise is critical for keyword spotting (KWS) in real-world environments. To improve the robustness, a speech enhancement front-end is involved. Instead of treating the speech enhancement as a separated preprocessing…

Sound · Computer Science 2019-06-21 Yue Gu , Zhihao Du , Hui Zhang , Xueliang Zhang

In this paper, we propose an attention-based end-to-end model for multi-channel keyword spotting (KWS), which is trained to optimize the KWS result directly. As a result, our model outperforms the baseline model with signal pre-processing…

Sound · Computer Science 2018-11-06 Haitong Zhang , Junbo Zhang , Yujun Wang

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

Learning to recognize new keywords with just a few examples is essential for personalizing keyword spotting (KWS) models to a user's choice of keywords. However, modern KWS models are typically trained on large datasets and restricted to a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-07 Abhijeet Awasthi , Kevin Kilgour , Hassan Rom

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

In this paper, we propose a multilingual query-by-example keyword spotting (KWS) system based on a residual neural network. The model is trained as a classifier on a multilingual keyword dataset extracted from Common Voice sentences and…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-20 Paul M. Reuter , Christian Rollwage , Bernd T. Meyer

This paper proposes a self-learning method to incrementally train (fine-tune) a personalized Keyword Spotting (KWS) model after the deployment on ultra-low power smart audio sensors. We address the fundamental problem of the absence of…

Sound · Computer Science 2025-03-10 Manuele Rusci , Francesco Paci , Marco Fariselli , Eric Flamand , Tinne Tuytelaars

Deep neural networks, such as the Deep-FSMN, have been widely studied for keyword spotting (KWS) applications while suffering expensive computation and storage. Therefore, network compression technologies like binarization are studied to…

Computation and Language · Computer Science 2023-02-07 Haotong Qin , Xudong Ma , Yifu Ding , Xiaoyang Li , Yang Zhang , Zejun Ma , Jiakai Wang , Jie Luo , Xianglong Liu

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. To solve this problem, this paper proposes a…

Sound · Computer Science 2021-09-02 Shenghua Hu , Jing Wang , Yujun Wang , Lidong Yang , Wenjing Yang

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

Sound · Computer Science 2021-04-15 David Peter , Wolfgang Roth , Franz Pernkopf

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

Open-vocabulary keyword spotting (KWS), which allows users to customize keywords, has attracted increasingly more interest. However, existing methods based on acoustic models and post-processing train the acoustic model with ASR training…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-18 Ao Zhang , Pan Zhou , Kaixun Huang , Yong Zou , Ming Liu , Lei Xie

Designing an efficient keyword spotting (KWS) system that delivers exceptional performance on resource-constrained edge devices has long been a subject of significant attention. Existing KWS search algorithms typically follow a…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-21 Yu Xi , Hao Li , Baochen Yang , Haoyu Li , Hainan Xu , Kai Yu

The deep neural networks, such as the Deep-FSMN, have been widely studied for keyword spotting (KWS) applications. However, computational resources for these networks are significantly constrained since they usually run on-call on edge…

Computation and Language · Computer Science 2022-10-21 Haotong Qin , Xudong Ma , Yifu Ding , Xiaoyang Li , Yang Zhang , Yao Tian , Zejun Ma , Jie Luo , Xianglong Liu

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

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

Thanks to Deep Neural Networks (DNNs), the accuracy of Keyword Spotting (KWS) has made substantial progress. However, as KWS systems are usually implemented on edge devices, energy efficiency becomes a critical requirement besides…

Sound · Computer Science 2024-06-21 Shuai Wang , Dehao Zhang , Kexin Shi , Yuchen Wang , Wenjie Wei , Jibin Wu , Malu Zhang

For training a few-shot keyword spotting (FS-KWS) model, a large labeled dataset containing massive target keywords has known to be essential to generalize to arbitrary target keywords with only a few enrollment samples. To alleviate the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-10 Dongjune Lee , Minchan Kim , Sung Hwan Mun , Min Hyun Han , Nam Soo Kim