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Keyword spotting (KWS) based on deep neural networks (DNNs) has achieved massive success in voice control scenarios. However, training of such DNN-based KWS systems often requires significant data and hardware resources. Manufacturers often…

声音 · 计算机科学 2022-12-21 Hanbo Cai , Pengcheng Zhang , Hai Dong , Yan Xiao , Shunhui Ji

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--…

声音 · 计算机科学 2019-06-27 Iván López-Espejo , Zheng-Hua Tan , Jesper Jensen

Spoken keyword spotting (KWS) deals with the identification of keywords in audio streams and has become a fast-growing technology thanks to the paradigm shift introduced by deep learning a few years ago. This has allowed the rapid embedding…

声音 · 计算机科学 2021-11-23 Iván López-Espejo , Zheng-Hua Tan , John Hansen , 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…

音频与语音处理 · 电气工程与系统科学 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…

音频与语音处理 · 电气工程与系统科学 2023-04-20 Paul M. Reuter , Christian Rollwage , Bernd T. Meyer

A keyword spotting (KWS) engine that is continuously running on device is exposed to various speech signals that are usually unseen before. It is a challenging problem to build a small-footprint and high-performing KWS model with robustness…

声音 · 计算机科学 2024-08-27 Zhenyu Wang , Li Wan , Biqiao Zhang , Yiteng Huang , Shang-Wen Li , Ming Sun , Xin Lei , Zhaojun Yang

Keyword spotting (KWS) plays an essential role in enabling speech-based user interaction on smart devices, and conventional KWS (C-KWS) approaches have concentrated on detecting user-agnostic pre-defined keywords. However, in practice, most…

声音 · 计算机科学 2022-06-29 Seunghan Yang , Byeonggeun Kim , Inseop Chung , Simyung Chang

Deep neural networks (DNNs) have been widely and successfully adopted and deployed in various applications of speech recognition. Recently, a few works revealed that these models are vulnerable to backdoor attacks, where the adversaries can…

声音 · 计算机科学 2023-07-18 Hanbo Cai , Pengcheng Zhang , Hai Dong , Yan Xiao , Stefanos Koffas , Yiming Li

The performance of keyword spotting (KWS), measured in false alarms and false rejects, degrades significantly under the far field and noisy conditions. In this paper, we propose a multi-look neural network modeling for speech enhancement…

音频与语音处理 · 电气工程与系统科学 2020-05-22 Meng Yu , Xuan Ji , Bo Wu , Dan Su , Dong Yu

This paper introduces the system submitted by the Yidun NISP team to the video keyword wakeup challenge. We propose a mandarin keyword spotting system (KWS) with several novel and effective improvements, including a big backbone (B) model,…

计算与语言 · 计算机科学 2021-12-06 Yuting Yang , Binbin Du , Yingxin Zhang , Wenxuan Wang , Yuke Li

The keyword spotting (KWS) problem requires large amounts of real speech training data to achieve high accuracy across diverse populations. Utilizing large amounts of text-to-speech (TTS) synthesized data can reduce the cost and time…

Speaker verification has been widely and successfully adopted in many mission-critical areas for user identification. The training of speaker verification requires a large amount of data, therefore users usually need to adopt third-party…

密码学与安全 · 计算机科学 2021-02-04 Tongqing Zhai , Yiming Li , Ziqi Zhang , Baoyuan Wu , Yong Jiang , Shu-Tao Xia

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…

音频与语音处理 · 电气工程与系统科学 2021-06-07 Abhijeet Awasthi , Kevin Kilgour , Hassan Rom

It has been proved that deep neural networks are facing a new threat called backdoor attacks, where the adversary can inject backdoors into the neural network model through poisoning the training dataset. When the input containing some…

密码学与安全 · 计算机科学 2021-03-16 Chuanshuai Chen , Jiazhu Dai

Keyword spotting (KWS) is a critical component for enabling speech based user interactions on smart devices. It requires real-time response and high accuracy for good user experience. Recently, neural networks have become an attractive…

声音 · 计算机科学 2018-02-16 Yundong Zhang , Naveen Suda , Liangzhen Lai , Vikas Chandra

Keyword spotting (KWS) is an important technique for speech applications, which enables users to activate devices by speaking a keyword phrase. Although a phoneme classifier can be used for KWS, exploiting a large amount of transcribed data…

音频与语音处理 · 电气工程与系统科学 2021-09-23 Takuya Higuchi , Anmol Gupta , Chandra Dhir

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…

机器学习 · 计算机科学 2025-10-31 Gereon Elvers , Gilad Landau , Oiwi Parker Jones

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…

声音 · 计算机科学 2022-04-26 Kwan Yee Heung , Kin Wai Cheuk , Dorien Herremans

Few-shot keyword spotting (KWS) aims to detect unknown keywords with limited training samples. A commonly used approach is the pre-training and fine-tuning framework. While effective in clean conditions, this approach struggles with mixed…

声音 · 计算机科学 2024-07-09 Junming Yuan , Ying Shi , LanTian Li , Dong Wang , Askar Hamdulla

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…

音频与语音处理 · 电气工程与系统科学 2023-12-18 Ao Zhang , Pan Zhou , Kaixun Huang , Yong Zou , Ming Liu , Lei Xie
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