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Text-to-speech and voice conversion studies are constantly improving to the extent where they can produce synthetic speech almost indistinguishable from bona fide human speech. In this regard, the importance of countermeasures (CM) against…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-08 Jin Woo Lee , Eungbeom Kim , Junghyun Koo , Kyogu Lee

Acoustic-to-Articulatory Inversion (AAI) attempts to model the inverse mapping from speech to articulation. Exact articulatory prediction from speech alone may be impossible, as speakers can choose different forms of articulation seemingly…

Sound · Computer Science 2025-06-10 Charles McGhee , Mark J. F. Gales , Kate M. Knill

The performance of automatic speech recognition systems under noisy environments still leaves room for improvement. Speech enhancement or feature enhancement techniques for increasing noise robustness of these systems usually add components…

Computation and Language · Computer Science 2016-09-19 Stefan Braun , Daniel Neil , Shih-Chii Liu

Goal: Numerous studies had successfully differentiated normal and abnormal voice samples. Nevertheless, further classification had rarely been attempted. This study proposes a novel approach, using continuous Mandarin speech instead of a…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-23 Syu-Siang Wang , Chi-Te Wang , Chih-Chung Lai , Yu Tsao , Shih-Hau Fang

This paper proposes a joint acoustic echo cancellation (AEC) and speech dereverberation (DR) algorithm in the short-time Fourier transform domain. The reverberant microphone signals are described using an auto-regressive (AR) model. The AR…

Sound · Computer Science 2023-02-10 Ziteng Wang , Yueyue Na , Biao Tian , Qiang Fu

The second Automatic Speaker Verification Spoofing and Countermeasures challenge (ASVspoof 2017) focused on "replay attack" detection. The best deep-learning systems to compete in ASVspoof 2017 used Convolutional Neural Networks (CNNs) as a…

Audio and Speech Processing · Electrical Eng. & Systems 2018-05-24 Bhusan Chettri , Saumitra Mishra , Bob L. Sturm , Emmanouil Benetos

The target speech extraction has attracted widespread attention in recent years. In this work, we focus on investigating the dynamic interaction between different mixtures and the target speaker to exploit the discriminative target speaker…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-20 Jiangyu Han , Wei Rao , Yanhua Long , Jiaen Liang

Adversarial examples (AEs) are crafted by adding human-imperceptible perturbations to inputs such that a machine-learning based classifier incorrectly labels them. They have become a severe threat to the trustworthiness of machine learning.…

Sound · Computer Science 2019-12-05 Qiang Zeng , Jianhai Su , Chenglong Fu , Golam Kayas , Lannan Luo

This paper extends recent work on nonlinear Independent Component Analysis (ICA) by introducing a theoretical framework for nonlinear Independent Subspace Analysis (ISA) in the presence of auxiliary variables. Observed high dimensional…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Amrith Setlur , Barnabas Poczos , Alan W Black

Speech signals are complex intermingling of various informative factors, and this information blending makes decoding any of the individual factors extremely difficult. A natural idea is to factorize each speech frame into independent…

Sound · Computer Science 2017-06-27 Dong Wang , Lantian Li , Ying Shi , Yixiang Chen , Zhiyuan Tang

The technique of transforming voices in order to hide the real identity of a speaker is called voice disguise, among which automatic voice disguise (AVD) by modifying the spectral and temporal characteristics of voices with miscellaneous…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-16 Linlin Zheng , Jiakang Li , Meng Sun , Xiongwei Zhang , Thomas Fang Zheng

This paper integrates a voice activity detection (VAD) function with end-to-end automatic speech recognition toward an online speech interface and transcribing very long audio recordings. We focus on connectionist temporal classification…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-16 Takenori Yoshimura , Tomoki Hayashi , Kazuya Takeda , Shinji Watanabe

The goal of the Acoustic Question Answering (AQA) task is to answer a free-form text question about the content of an acoustic scene. It was inspired by the Visual Question Answering (VQA) task. In this paper, based on the previously…

Computation and Language · Computer Science 2024-01-15 Jerome Abdelnour , Jean Rouat , Giampiero Salvi

Spoofing-robust automatic speaker verification (SASV) systems are a crucial technology for the protection against spoofed speech. In this study, we focus on logical access attacks and introduce a novel approach to SASV tasks. A novel…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-24 Avishai Weizman , Yehuda Ben-Shimol , Itshak Lapidot

One challenging problem of robust automatic speech recognition (ASR) is how to measure the goodness of a speech enhancement algorithm (SEA) without calculating the word error rate (WER) due to the high costs of manual transcriptions,…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-29 Li Chai , Jun Du , Chin-Hui Lee

Recently, studies show that deep learning-based automatic speech recognition (ASR) systems are vulnerable to adversarial examples (AEs), which add a small amount of noise to the original audio examples. These AE attacks pose new challenges…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-21 Feng Guo , Zheng Sun , Yuxuan Chen , Lei Ju

Benchmarking initiatives support the meaningful comparison of competing solutions to prominent problems in speech and language processing. Successive benchmarking evaluations typically reflect a progressive evolution from ideal lab…

In recent decades, many studies have suggested that phase information is crucial for speech enhancement (SE), and time-domain single-channel speech enhancement techniques have shown promise in noise suppression and robust automatic speech…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-27 Fu-An Chao , Jeih-weih Hung , Berlin Chen

Recently, Automatic Speech Recognition (ASR) systems (e.g., Whisper) have achieved remarkable accuracy improvements but remain highly sensitive to real-world unseen data (data with large distribution shifts), including noisy environments…

Sound · Computer Science 2026-03-06 Linghan Fang , Tianxin Xie , Li Liu

We introduce AVA, an automatic evaluation approach for Question Answering, which given a set of questions associated with Gold Standard answers, can estimate system Accuracy. AVA uses Transformer-based language models to encode question,…

Computation and Language · Computer Science 2021-08-17 Thuy Vu , Alessandro Moschitti