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Deep neural networks provide effective solutions to small-footprint keyword spotting (KWS). However, if training data is limited, it remains challenging to achieve robust and highly accurate KWS in real-world scenarios where unseen sounds…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-14 Menglong Xu , Shengqiang Li , Chengdong Liang , Xiao-Lei Zhang

Dynamic data race prediction aims to identify races based on a single program run represented by a trace. The challenge is to remain efficient while being as sound and as complete as possible. Efficient means a linear run-time as otherwise…

Programming Languages · Computer Science 2022-05-19 Martin Sulzmann , Kai Stadtmüller

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

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…

Sound · Computer Science 2024-07-09 Junming Yuan , Ying Shi , LanTian Li , Dong Wang , Askar Hamdulla

We consider multilingual bottleneck features (BNFs) for nearly zero-resource keyword spotting. This forms part of a United Nations effort using keyword spotting to support humanitarian relief programmes in parts of Africa where languages…

Computation and Language · Computer Science 2018-07-24 Raghav Menon , Herman Kamper , Emre Yilmaz , John Quinn , Thomas Niesler

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

Due to a drastic improvement in the quality of internet services worldwide, there is an explosion of multilingual content generation and consumption. This is especially prevalent in countries with large multilingual audience, who are…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-14 Mudit Verma , Arun Balaji Buduru

The goal of this work is to train effective representations for keyword spotting via metric learning. Most existing works address keyword spotting as a closed-set classification problem, where both target and non-target keywords are…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-19 Jaesung Huh , Minjae Lee , Heesoo Heo , Seongkyu Mun , Joon Son Chung

Federated learning is an effective way of extracting insights from different user devices while preserving the privacy of users. However, new classes with completely unseen data distributions can stream across any device in a federated…

Machine Learning · Computer Science 2021-06-21 Gautham Krishna Gudur , Satheesh K. Perepu

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

Recent advances in the Active Speaker Detection (ASD) problem build upon a two-stage process: feature extraction and spatio-temporal context aggregation. In this paper, we propose an end-to-end ASD workflow where feature learning and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Juan Leon Alcazar , Moritz Cordes , Chen Zhao , Bernard Ghanem

Keyword spotting (KWS) has become an indispensable part of many intelligent devices surrounding us, as audio is one of the most efficient ways of interacting with these devices. The accuracy and performance of KWS solutions have been the…

Sound · Computer Science 2021-11-10 Mehmet Gorkem Ulkar , Osman Erman Okman

This paper introduces a new neural structure called FusionNet, which extends existing attention approaches from three perspectives. First, it puts forward a novel concept of "history of word" to characterize attention information from the…

Computation and Language · Computer Science 2018-02-06 Hsin-Yuan Huang , Chenguang Zhu , Yelong Shen , Weizhu Chen

Robust and far-field speech recognition is critical to enable true hands-free communication. In far-field conditions, signals are attenuated due to distance. To improve robustness to loudness variation, we introduce a novel frontend called…

Computation and Language · Computer Science 2016-07-20 Yuxuan Wang , Pascal Getreuer , Thad Hughes , Richard F. Lyon , Rif A. Saurous

Identifying keywords in an open-vocabulary context is crucial for personalizing interactions with smart devices. Previous approaches to open vocabulary keyword spotting dependon a shared embedding space created by audio and text encoders.…

Human-Computer Interaction · Computer Science 2024-04-19 Kesavaraj V , Anil Kumar Vuppala

Existing semantic segmentation models heavily rely on dense pixel-wise annotations. To reduce the annotation pressure, we focus on a challenging task named zero-shot semantic segmentation, which aims to segment unseen objects with zero…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Zhangxuan Gu , Siyuan Zhou , Li Niu , Zihan Zhao , Liqing Zhang

Despite showing state-of-the-art performance, deep learning for speech recognition remains challenging to deploy in on-device edge scenarios such as mobile and other consumer devices. Recently, there have been greater efforts in the design…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-15 Zhong Qiu Lin , Audrey G. Chung , Alexander Wong

Intent detection and slot filling are two main tasks in natural language understanding and play an essential role in task-oriented dialogue systems. The joint learning of both tasks can improve inference accuracy and is popular in recent…

Computation and Language · Computer Science 2022-05-17 Liang Huang , Senjie Liang , Feiyang Ye , Nan Gao

Catastrophic forgetting is a thorny challenge when updating keyword spotting (KWS) models after deployment. To tackle such challenges, we propose a progressive continual learning strategy for small-footprint spoken keyword spotting…

Computation and Language · Computer Science 2022-02-08 Yizheng Huang , Nana Hou , Nancy F. Chen

We present a state-of-the-art speech recognition system developed using end-to-end deep learning. Our architecture is significantly simpler than traditional speech systems, which rely on laboriously engineered processing pipelines; these…