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Related papers: Seeing wake words: Audio-visual 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

Despite the recent successes of deep neural networks, it remains challenging to achieve high precision keyword spotting task (KWS) on resource-constrained devices. In this study, we propose a novel context-aware and compact architecture for…

Sound · Computer Science 2019-12-12 Xi Chen , Shouyi Yin , Dandan Song , Peng Ouyang , Leibo Liu , Shaojun Wei

Modern approaches for keyword spotting rely on training deep neural networks on large static datasets with i.i.d. distributions. However, the resulting models tend to underperform when presented with changing data regimes in real-life…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-24 Michel Meneses , Bruno Iwami

Keyword spotting (KWS) is a key component of smart devices, enabling efficient and intuitive audio interaction. However, standard KWS systems deployed on embedded devices often suffer performance degradation under real-world operating…

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

Small-Footprint Keyword Spotting (SF-KWS) has gained popularity in today's landscape of smart voice-activated devices, smartphones, and Internet of Things (IoT) applications. This surge is attributed to the advancements in Deep Learning,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-16 Soumen Garai , Suman Samui

We propose a novel language-universal approach to end-to-end automatic spoken keyword recognition (SKR) leveraging upon (i) a self-supervised pre-trained model, and (ii) a set of universal speech attributes (manner and place of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-05 Hao Yen , Pin-Jui Ku , Sabato Marco Siniscalchi , Chin-Hui Lee

The problem of identifying voice commands has always been a challenge due to the presence of noise and variability in speed, pitch, etc. We will compare the efficacies of several neural network architectures for the speech recognition…

Machine Learning · Statistics 2020-11-25 Sanjay Krishna Gouda , Salil Kanetkar , David Harrison , Manfred K Warmuth

Query by String Keyword Spotting (KWS) is here considered as a key technology for indexing large collections of handwritten text images to allow fast textual access to the contents of these collections. Under this perspective, a…

Information Retrieval · Computer Science 2021-04-13 E. Vidal , A. H. Toselli , J. Puigcerver

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

Despite their great performance over the years, handcrafted speech features are not necessarily optimal for any particular speech application. Consequently, with greater or lesser success, optimal filterbank learning has been studied for…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-02 Iván López-Espejo , Zheng-Hua Tan , Jesper Jensen

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

The recognition of rare named entities, such as personal names and terminologies, is challenging for automatic speech recognition (ASR) systems, especially when they are not frequently observed in the training data. In this paper, we…

Artificial Intelligence · Computer Science 2024-06-07 Yuang Li , Min Zhang , Chang Su , Yinglu Li , Xiaosong Qiao , Mengxin Ren , Miaomiao Ma , Daimeng Wei , Shimin Tao , Hao Yang

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

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

We propose a single neural network architecture for two tasks: on-line keyword spotting and voice activity detection. We develop novel inference algorithms for an end-to-end Recurrent Neural Network trained with the Connectionist Temporal…

Computation and Language · Computer Science 2016-11-30 Chris Lengerich , Awni Hannun

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

Keyword spotting (KWS) is a core human-machine-interaction front-end task for most modern intelligent assistants. Recently, a unified (UniKW-AT) framework has been proposed that adds additional capabilities in the form of audio tagging (AT)…

Sound · Computer Science 2023-03-06 Heinrich Dinkel , Yongqing Wang , Zhiyong Yan , Junbo Zhang , Yujun Wang

Keyword spotting (KWS) is one of the speech recognition tasks most sensitive to the quality of the feature representation. However, the research on KWS has traditionally focused on new model topologies, putting little emphasis on other…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-08 Douglas Baptista de Souza , Khaled Jamal Bakri , Fernanda Ferreira , Juliana Inacio

Keyword spotting and in particular Wake-Up-Word (WUW) detection is a very important task for voice assistants. A very common issue of voice assistants is that they get easily activated by background noise like music, TV or background speech…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-01 David Bonet , Guillermo Cámbara , Fernando López , Pablo Gómez , Carlos Segura , Jordi Luque