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

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Spoken Keyword Spotting (KWS) is the task of distinguishing between the presence and absence of a keyword in audio. The accuracy of a KWS model hinges on its ability to correctly classify examples close to the keyword and non-keyword…

Sound · Computer Science 2026-02-06 Harry Zhang , Kurt Partridge , Pai Zhu , Neng Chen , Hyun Jin Park , Dhruuv Agarwal , Quan Wang

Speech enhancement has benefited from the success of deep learning in terms of intelligibility and perceptual quality. Conventional time-frequency (TF) domain methods focus on predicting TF-masks or speech spectrum, via a naive convolution…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-24 Yanxin Hu , Yun Liu , Shubo Lv , Mengtao Xing , Shimin Zhang , Yihui Fu , Jian Wu , Bihong Zhang , Lei Xie

We have recently shown that deep Long Short-Term Memory (LSTM) recurrent neural networks (RNNs) outperform feed forward deep neural networks (DNNs) as acoustic models for speech recognition. More recently, we have shown that the performance…

Computation and Language · Computer Science 2015-07-27 Haşim Sak , Andrew Senior , Kanishka Rao , Françoise Beaufays

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

Current keyword spotting systems primarily use phoneme-level matching to distinguish confusable words but ignore user-specific pronunciation traits like prosody (intonation, stress, rhythm). This paper presents ProKWS, a novel framework…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-20 Jianan Pan , Yuanming Zhang , Kejie Huang

We explore the application of end-to-end stateless temporal modeling to small-footprint keyword spotting as opposed to recurrent networks that model long-term temporal dependencies using internal states. We propose a model inspired by the…

Machine Learning · Computer Science 2019-02-19 Alice Coucke , Mohammed Chlieh , Thibault Gisselbrecht , David Leroy , Mathieu Poumeyrol , Thibaut Lavril

Keyword spotting is an important research field because it plays a key role in device wake-up and user interaction on smart devices. However, it is challenging to minimize errors while operating efficiently in devices with limited resources…

Sound · Computer Science 2023-07-06 Byeonggeun Kim , Simyung Chang , Jinkyu Lee , Dooyong Sung

In this article I proposed a new model to achieve Chinese word segmentation(CWS),which may have the potentiality to apply in other domains in the future.It is a new thinking in CWS compared to previous works,to consider it as a clustering…

Computation and Language · Computer Science 2020-02-19 Yuze Zhao

Short text is becoming more and more popular on the web, such as Chat Message, SMS and Product Reviews. Accurately classifying short text is an important and challenging task. A number of studies have difficulties in addressing this problem…

Computation and Language · Computer Science 2021-03-02 Mingchen Li , Gabtone. Clinton , Yijia Miao , Feng Gao

Accurate classification of respiratory sounds requires deep learning models that effectively capture fine-grained acoustic features and long-range temporal dependencies. Convolutional Neural Networks (CNNs) are well-suited for extracting…

Sound · Computer Science 2025-07-29 Nouhaila Fraihi , Ouassim Karrakchou , Mounir Ghogho

Recently deep neural networks (DNNs) have been used to learn speaker features. However, the quality of the learned features is not sufficiently good, so a complex back-end model, either neural or probabilistic, has to be used to address the…

Sound · Computer Science 2017-05-11 Lantian Li , Yixiang Chen , Ying Shi , Zhiyuan Tang , Dong Wang

Recent advances in flexible keyword spotting (KWS) with text enrollment allow users to personalize keywords without uttering them during enrollment. However, there is still room for improvement in target keyword performance. In this work,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-27 Youngmoon Jung , Jinyoung Lee , Seungjin Lee , Myunghun Jung , Yong-Hyeok Lee , Hoon-Young Cho

Speech denoising (SD) is an important task of many, if not all, modern signal processing chains used in devices and for everyday-life applications. While there are many published and powerful deep neural network (DNN)-based methods for SD,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-08 Konstantinos Drossos , Mikko Heikkinen , Paschalis Tsiaflakis

The constant Q transform (CQT) has been shown to be one of the most effective speech signal pre-transforms to facilitate synthetic speech detection, followed by either hand-crafted (subband) constant Q cepstral coefficient (CQCC) feature…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-13 Guang Hua , Andrew Beng Jin Teoh , Haijian Zhang

We introduce compositional tensor trains (CTTs) for the approximation of multivariate functions, a class of models obtained by composing low-rank functions in the tensor-train format. This format can encode standard approximation tools,…

Numerical Analysis · Mathematics 2025-12-23 Martin Eigel , Charles Miranda , Anthony Nouy , David Sommer

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

User-defined keyword spotting (KWS) enhances the user experience by allowing individuals to customize keywords. However, in open-vocabulary scenarios, most existing methods commonly suffer from high false alarm rates with confusable words…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-31 Li Kewei , Zhou Hengshun , Shen Kai , Dai Yusheng , Du Jun

The ability to accurately represent sentences is central to language understanding. We describe a convolutional architecture dubbed the Dynamic Convolutional Neural Network (DCNN) that we adopt for the semantic modelling of sentences. The…

Computation and Language · Computer Science 2014-04-09 Nal Kalchbrenner , Edward Grefenstette , Phil Blunsom

There are a number of studies about extraction of bottleneck (BN) features from deep neural networks (DNNs)trained to discriminate speakers, pass-phrases and triphone states for improving the performance of text-dependent speaker…

Sound · Computer Science 2019-05-14 Achintya kr. Sarkar , Zheng-Hua Tan , Hao Tang , Suwon Shon , James Glass

This paper describes a novel text-to-speech (TTS) technique based on deep convolutional neural networks (CNN), without use of any recurrent units. Recurrent neural networks (RNN) have become a standard technique to model sequential data…

Sound · Computer Science 2020-10-01 Hideyuki Tachibana , Katsuya Uenoyama , Shunsuke Aihara