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Keyword spotting systems often struggle to generalize to a diverse population with various accents and age groups. To address this challenge, we propose a novel approach that integrates speaker information into keyword spotting using…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-08 Beltrán Labrador , Pai Zhu , Guanlong Zhao , Angelo Scorza Scarpati , Quan Wang , Alicia Lozano-Diez , Alex Park , Ignacio López Moreno

Multi-task learning (MTL) has recently contributed to learning better representations in service of various NLP tasks. MTL aims at improving the performance of a primary task, by jointly training on a secondary task. This paper introduces…

Machine Learning · Computer Science 2017-09-21 Davis Liang , Yan Shu

Speech recognition has become an important task in the development of machine learning and artificial intelligence. In this study, we explore the important task of keyword spotting using speech recognition machine learning and deep learning…

Sound · Computer Science 2023-12-12 Sumedha Rai , Tong Li , Bella Lyu

Keyword Spotting (KWS) remains challenging to achieve the trade-off between small footprint and high accuracy. Recently proposed metric learning approaches improved the generalizability of models for the KWS task, and 1D-CNN based KWS…

Sound · Computer Science 2021-08-13 Li Wang , Rongzhi Gu , Nuo Chen , Yuexian Zou

Keyphrase boundary classification (KBC) is the task of detecting keyphrases in scientific articles and labelling them with respect to predefined types. Although important in practice, this task is so far underexplored, partly due to the…

Computation and Language · Computer Science 2017-04-27 Isabelle Augenstein , Anders Søgaard

Zero-shot Text-to-Speech (TTS) voice cloning poses severe privacy risks, demanding the removal of specific speaker identities from trained TTS models. Conventional machine unlearning is insufficient in this context, as zero-shot TTS can…

Fixed-point (FXP) inference has proven suitable for embedded devices with limited computational resources, and yet model training is continually performed in floating-point (FLP). FXP training has not been fully explored and the non-trivial…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-08 Sashank Macha , Om Oza , Alex Escott , Francesco Caliva , Robbie Armitano , Santosh Kumar Cheekatmalla , Sree Hari Krishnan Parthasarathi , Yuzong Liu

We study the problem of imposing conversational goals/keywords on open-domain conversational agents, where the agent is required to lead the conversation to a target keyword smoothly and fast. Solving this problem enables the application of…

Computation and Language · Computer Science 2021-03-02 Peixiang Zhong , Yong Liu , Hao Wang , Chunyan Miao

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

Continuous Speech Keyword Spotting (CSKS) is the problem of spotting keywords in recorded conversations, when a small number of instances of keywords are available in training data. Unlike the more common Keyword Spotting, where an…

Sound · Computer Science 2019-01-15 Harshita Seth , Pulkit Kumar , Muktabh Mayank Srivastava

Tool learning has emerged as a promising direction by extending Large Language Models' (LLMs) capabilities with external tools. Existing tool learning studies primarily focus on the general-purpose tool-use capability, which addresses…

Computation and Language · Computer Science 2025-02-27 Qiancheng Xu , Yongqi Li , Heming Xia , Fan Liu , Min Yang , Wenjie Li

In this paper, we propose a sequence-to-sequence model for keyword spotting (KWS). Compared with other end-to-end architectures for KWS, our model simplifies the pipelines of production-quality KWS system and satisfies the requirement of…

Sound · Computer Science 2018-11-02 Haitong Zhang , Junbo Zhang , Yujun Wang

Many problems in machine learning rely on multi-task learning (MTL), in which the goal is to solve multiple related machine learning tasks simultaneously. MTL is particularly relevant for privacy-sensitive applications in areas such as…

Machine Learning · Computer Science 2023-10-18 Shengyuan Hu , Zhiwei Steven Wu , Virginia Smith

When learning a second language (L2), one of the most important but tedious components that often demoralizes students with its ineffectiveness and inefficiency is vocabulary acquisition, or more simply put, memorizing words. In light of…

Computation and Language · Computer Science 2021-12-30 Jamin Shin , Juneyoung Park

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

Most of the existing neural-based models for keyword spotting (KWS) in smart devices require thousands of training samples to learn a decent audio representation. However, with the rising demand for smart devices to become more…

Recognizing a particular command or a keyword, keyword spotting has been widely used in many voice interfaces such as Amazon's Alexa and Google Home. In order to recognize a set of keywords, most of the recent deep learning based approaches…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-14 Archit Parnami , Minwoo Lee

Connectionist Temporal Classification (CTC), a non-autoregressive training criterion, is widely used in online keyword spotting (KWS). However, existing CTC-based KWS decoding strategies either rely on Automatic Speech Recognition (ASR),…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-25 Yu Xi , Haoyu Li , Xiaoyu Gu , Hao Li , Yidi Jiang , Kai Yu

Text-to-SQL prompt strategies based on Large Language Models (LLMs) achieve remarkable performance on well-known benchmarks. However, when applied to real-world databases, their performance is significantly less than for these benchmarks,…

Open-vocabulary keyword spotting (KWS) with text-based enrollment has emerged as a flexible alternative to fixed-phrase triggers. Prior utterance-level matching methods, from an embedding-learning standpoint, learn embeddings at a single…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Youngmoon Jung , Myunghun Jung , Joon-Young Yang , Yong-Hyeok Lee , Jaeyoung Roh , Hoon-Young Cho