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Models based on attention mechanisms have shown unprecedented speech recognition performance. However, they are computationally expensive and unnecessarily complex for keyword spotting, a task targeted to small-footprint devices. This work…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-02 Biel Tura , Santiago Escuder , Ferran Diego , Carlos Segura , Jordi Luque

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…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-22 Meng Yu , Xuan Ji , Bo Wu , Dan Su , Dong Yu

The problem of missing data, usually absent incurated and competition-standard datasets, is an unfortunate reality for most machine learning models used in industry applications. Recent work has focused on understanding the nature and the…

Machine Learning · Computer Science 2022-01-25 Spyridon Mouselinos , Kyriakos Polymenakos , Antonis Nikitakis , Konstantinos Kyriakopoulos

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…

Sound · Computer Science 2018-02-16 Yundong Zhang , Naveen Suda , Liangzhen Lai , Vikas Chandra

Training a neural network model that can quickly adapt to a new task is highly desirable yet challenging for few-shot learning problems. Recent few-shot learning methods mostly concentrate on developing various meta-learning strategies from…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Zihang Jiang , Bingyi Kang , Kuangqi Zhou , Jiashi Feng

Smart audio devices are gated by an always-on lightweight keyword spotting program to reduce power consumption. It is however challenging to design models that have both high accuracy and low latency for accurate and fast responsiveness.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-23 Bo Zhang , Wenfeng Li , Qingyuan Li , Weiji Zhuang , Xiangxiang Chu , Yujun Wang

The Transformer-based models with the multi-head self-attention mechanism are widely used in natural language processing, and provide state-of-the-art results. While the pre-trained language backbones are shown to implicitly capture certain…

Computation and Language · Computer Science 2023-12-18 Zhengyuan Liu , Nancy F. Chen

User-defined keyword spotting is a task to detect new spoken terms defined by users. This can be viewed as a few-shot learning problem since it is unreasonable for users to define their desired keywords by providing many examples. To solve…

Machine Learning · Computer Science 2022-10-06 Wei-Tsung Kao , Yuan-Kuei Wu , Chia-Ping Chen , Zhi-Sheng Chen , Yu-Pao Tsai , Hung-Yi Lee

We introduce a new loss function TripleEntropy, to improve classification performance for fine-tuning general knowledge pre-trained language models based on cross-entropy and SoftTriple loss. This loss function can improve the robust…

Computation and Language · Computer Science 2022-11-28 Witold Sosnowski , Anna Wroblewska , Piotr Gawrysiak

Hardware-Software Co-Design is a highly successful strategy for improving performance of domain-specific computing systems. We argue for the application of the same methodology to deep learning; specifically, we propose to extend neural…

Machine Learning · Computer Science 2020-01-10 Andrew Anderson , Jing Su , Rozenn Dahyot , David Gregg

The Transformer architecture has been successful across many domains, including natural language processing, computer vision and speech recognition. In keyword spotting, self-attention has primarily been used on top of convolutional or…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-11 Axel Berg , Mark O'Connor , Miguel Tairum Cruz

Learning intents and slot labels from user utterances is a fundamental step in all spoken language understanding (SLU) and dialog systems. State-of-the-art neural network based methods, after deployment, often suffer from performance…

Computation and Language · Computer Science 2018-09-19 Avik Ray , Yilin Shen , Hongxia Jin

Success of deep learning techniques have renewed the interest in development of dialogue systems. However, current systems struggle to have consistent long term conversations with the users and fail to build rapport. Topic spotting, the…

Computation and Language · Computer Science 2019-04-08 Pooja Chitkara , Ashutosh Modi , Pravalika Avvaru , Sepehr Janghorbani , Mubbasir Kapadia

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

Training deep neural networks from scratch on natural language processing (NLP) tasks requires significant amount of manually labeled text corpus and substantial time to converge, which usually cannot be satisfied by the customers. In this…

Computation and Language · Computer Science 2019-10-29 Yunzhe Tao , Saurabh Gupta , Satyapriya Krishna , Xiong Zhou , Orchid Majumder , Vineet Khare

We develop streaming keyword spotting systems using a recurrent neural network transducer (RNN-T) model: an all-neural, end-to-end trained, sequence-to-sequence model which jointly learns acoustic and language model components. Our models…

Computation and Language · Computer Science 2017-10-27 Yanzhang He , Rohit Prabhavalkar , Kanishka Rao , Wei Li , Anton Bakhtin , Ian McGraw

Deep Research agents predominantly optimize search policies to maximize retrieval probability. However, we identify a critical bottleneck: the retrieval-utilization gap, where models fail to use gold evidence even after it is retrieved, due…

Computation and Language · Computer Science 2026-01-08 Shuo Lu , Yinuo Xu , Jianjie Cheng , Lingxiao He , Meng Wang , Jian Liang

With the aim of promoting and understanding the multilingual version of image search, we leverage visual object detection and propose a model with diverse multi-head attention to learn grounded multilingual multimodal representations.…

Computation and Language · Computer Science 2019-10-02 Po-Yao Huang , Xiaojun Chang , Alexander Hauptmann

In this paper, we propose an attention-based end-to-end neural approach for small-footprint keyword spotting (KWS), which aims to simplify the pipelines of building a production-quality KWS system. Our model consists of an encoder and an…

Sound · Computer Science 2018-03-30 Changhao Shan , Junbo Zhang , Yujun Wang , Lei Xie

Keyword Spotting (KWS) provides the start signal of ASR problem, and thus it is essential to ensure a high recall rate. However, its real-time property requires low computation complexity. This contradiction inspires people to find a…

Computation and Language · Computer Science 2018-11-07 Yixiao Qu , Sihao Xue , Zhenyi Ying , Hang Zhou , Jue Sun