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Related papers: Query-by-Example Keyword Spotting Using Spectral-T…

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In this work, we present a unified model that can handle both Keyword Spotting and Word Recognition with the same network architecture. The proposed network is comprised of a non-recurrent CTC branch and a Seq2Seq branch that is further…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 George Retsinas , Giorgos Sfikas , Petros Maragos

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

In the context of keyword spotting (KWS), the replacement of handcrafted speech features by learnable features has not yielded superior KWS performance. In this study, we demonstrate that filterbank learning outperforms handcrafted speech…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-27 Iván López-Espejo , Ram C. M. C. Shekar , Zheng-Hua Tan , Jesper Jensen , John H. L. Hansen

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

We propose a new model for learning bilingual word representations from non-parallel document-aligned data. Following the recent advances in word representation learning, our model learns dense real-valued word vectors, that is, bilingual…

Computation and Language · Computer Science 2016-03-01 Ivan Vulić , Marie-Francine Moens

Automatic Speech Recognition (ASR) technology has made significant progress in recent years, providing accurate transcription across various domains. However, some challenges remain, especially in noisy environments and specialized jargon.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-06 Aviv Shamsian , Aviv Navon , Neta Glazer , Gill Hetz , Joseph Keshet

State-of-the-art Deep Learning systems for speaker verification are commonly based on speaker embedding extractors. These architectures are usually composed of a feature extractor front-end together with a pooling layer to encode…

Audio and Speech Processing · Electrical Eng. & Systems 2024-05-08 Federico Costa , Miquel India , Javier Hernando

Acoustic word embeddings (AWEs) are vector representations of spoken word segments. AWEs can be learned jointly with embeddings of character sequences, to generate phonetically meaningful embeddings of written words, or acoustically…

Computation and Language · Computer Science 2020-06-26 Yushi Hu , Shane Settle , Karen Livescu

The computing power of mobile devices limits the end-user applications in terms of storage size, processing, memory and energy consumption. These limitations motivate researchers for the design of more efficient deep models. On the other…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-05 Pooyan Safari , Miquel India , Javier Hernando

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

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-21 David Peter , Wolfgang Roth , Franz Pernkopf

We present a meta-learning approach for adaptive text-to-speech (TTS) with few data. During training, we learn a multi-speaker model using a shared conditional WaveNet core and independent learned embeddings for each speaker. The aim of…

Keyword spotting (KWS) identifies words for voice assistants, but environmental noise frequently reduces accuracy. Standard adaptation fixes this issue and strictly requires original or labeled audio. Test time adaptation (TTA) solves this…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Hanyu Ding , Yang Xiao , Jiaheng Dong , Ting Dang

We compare features for dynamic time warping (DTW) when used to bootstrap keyword spotting (KWS) in an almost zero-resource setting. Such quickly-deployable systems aim to support United Nations (UN) humanitarian relief efforts in parts of…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-16 Raghav Menon , Herman Kamper , Ewald van der Westhuizen , John Quinn , Thomas Niesler

In this paper, we propose neural network models based on the neural ordinary differential equation (NODE) for small-footprint keyword spotting (KWS). We present techniques to apply NODE to KWS that make it possible to adopt Batch…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-08 Hiroshi Fuketa , Yukinori Morita

Grounding textual phrases in visual content is a meaningful yet challenging problem with various potential applications such as image-text inference or text-driven multimedia interaction. Most of the current existing methods adopt the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Zhiyuan Fang , Shu Kong , Tianshu Yu , Yezhou Yang

To segment a signal into blocks to be analyzed, few-shot keyword spotting (KWS) systems often utilize a sliding window of fixed size. Because of the varying lengths of different keywords or their spoken instances, choosing the right window…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-15 Kevin Wilkinghoff , Alessia Cornaggia-Urrigshardt

For noisy environments, ensuring the robustness of keyword spotting (KWS) systems is essential. While much research has focused on noisy KWS, less attention has been paid to multi-talker mixed speech scenarios. Unlike the usual cocktail…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-19 Haoyu Li , Baochen Yang , Yu Xi , Linfeng Yu , Tian Tan , Hao Li , Kai Yu

Relation detection plays a crucial role in Knowledge Base Question Answering (KBQA) because of the high variance of relation expression in the question. Traditional deep learning methods follow an encoding-comparing paradigm, where the…

Computation and Language · Computer Science 2018-01-31 Hongzhi Zhang , Guandong Xu , Xiao Liang , Tinglei Huang , Kun fu

Acoustic word embeddings (AWEs) are fixed-dimensional vector representations of speech segments that encode phonetic content so that different realisations of the same word have similar embeddings. In this paper we explore semantic AWE…

Audio and Speech Processing · Electrical Eng. & Systems 2023-07-06 Christiaan Jacobs , Herman Kamper

Many deep learning architectures have been proposed to model the compositionality in text sequences, requiring a substantial number of parameters and expensive computations. However, there has not been a rigorous evaluation regarding the…

Computation and Language · Computer Science 2018-05-28 Dinghan Shen , Guoyin Wang , Wenlin Wang , Martin Renqiang Min , Qinliang Su , Yizhe Zhang , Chunyuan Li , Ricardo Henao , Lawrence Carin