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Environmental noises and reverberation have a detrimental effect on the performance of automatic speech recognition (ASR) systems. Multi-condition training of neural network-based acoustic models is used to deal with this problem, but it…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-03 Desh Raj , Jesus Villalba , Daniel Povey , Sanjeev Khudanpur

Due to the unprecedented breakthroughs brought about by deep learning, speech enhancement (SE) techniques have been developed rapidly and play an important role prior to acoustic modeling to mitigate noise effects on speech. To increase the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-15 Fu-An Chao , Shao-Wei Fan Jiang , Bi-Cheng Yan , Jeih-weih Hung , Berlin Chen

The ICASSP 2022 Acoustic Echo Cancellation Challenge is intended to stimulate research in acoustic echo cancellation (AEC), which is an important area of speech enhancement and still a top issue in audio communication. This is the third AEC…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-01 Ross Cutler , Ando Saabas , Tanel Parnamaa , Marju Purin , Hannes Gamper , Sebastian Braun , Karsten Sørensen , Robert Aichner

Echo and noise suppression is an integral part of a full-duplex communication system. Many recent acoustic echo cancellation (AEC) systems rely on a separate adaptive filtering module for linear echo suppression and a neural module for…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-07 Karn N. Watcharasupat , Thi Ngoc Tho Nguyen , Woon-Seng Gan , Shengkui Zhao , Bin Ma

Recent advancements in Neural Audio Codec (NAC) models have inspired their use in various speech processing tasks, including speech enhancement (SE). In this work, we propose a novel, efficient SE approach by leveraging the pre-quantization…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-18 Haoyang Li , Jia Qi Yip , Tianyu Fan , Eng Siong Chng

In this paper, we propose a dual-encoder ASR architecture for joint modeling of close-talk (CT) and far-talk (FT) speech, in order to combine the advantages of CT and FT devices for better accuracy. The key idea is to add an encoder…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-21 Felix Weninger , Marco Gaudesi , Ralf Leibold , Roberto Gemello , Puming Zhan

Joint modeling of multi-speaker ASR and speaker diarization has recently shown promising results in speaker-attributed automatic speech recognition (SA-ASR).Although being able to obtain state-of-the-art (SOTA) performance, most of the…

Sound · Computer Science 2023-10-10 Yangze Li , Fan Yu , Yuhao Liang , Pengcheng Guo , Mohan Shi , Zhihao Du , Shiliang Zhang , Lei Xie

This paper proposes an efficient attempt to noisy speech emotion recognition (NSER). Conventional NSER approaches have proven effective in mitigating the impact of artificial noise sources, such as white Gaussian noise, but are limited to…

Sound · Computer Science 2026-01-13 Xiaohan Shi , Jiajun He , Xingfeng Li , Tomoki Toda

Deep neural network-based systems have significantly improved the performance of speaker diarization tasks. However, end-to-end neural diarization (EEND) systems often struggle to generalize to scenarios with an unseen number of speakers,…

Sound · Computer Science 2023-09-14 Zhengyang Chen , Bing Han , Shuai Wang , Yanmin Qian

Automatic speech recognition (ASR) systems are of vital importance nowadays in commonplace tasks such as speech-to-text processing and language translation. This created the need for an ASR system that can operate in realistic crowded…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-29 Sherif Abdulatif , Karim Armanious , Karim Guirguis , Jayasankar T. Sajeev , Bin Yang

Conformer, a convolution-augmented Transformer variant, has become the de facto encoder architecture for speech processing due to its superior performance in various tasks, including automatic speech recognition (ASR), speech translation…

Computation and Language · Computer Science 2023-05-19 Yifan Peng , Kwangyoun Kim , Felix Wu , Brian Yan , Siddhant Arora , William Chen , Jiyang Tang , Suwon Shon , Prashant Sridhar , Shinji Watanabe

Self-supervised learning (SSL) is a powerful tool that allows learning of underlying representations from unlabeled data. Transformer based models such as wav2vec 2.0 and HuBERT are leading the field in the speech domain. Generally these…

Computation and Language · Computer Science 2022-02-08 Bethan Thomas , Samuel Kessler , Salah Karout

Automatic Speech Recognition (ASR) systems have progressed significantly in their performance on adult speech data; however, transcribing child speech remains challenging due to the acoustic differences in the characteristics of child and…

Computation and Language · Computer Science 2023-11-10 Andrei Barcovschi , Rishabh Jain , Peter Corcoran

Decoding continuous speech from intracortical recordings is a central challenge for brain-computer interfaces (BCIs), with transformative potential for individuals with conditions that impair their ability to speak. While recent…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-17 Tommaso Boccato , Michal Olak , Matteo Ferrante

This paper proposes a WaveNet-based neural excitation model (ExcitNet) for statistical parametric speech synthesis systems. Conventional WaveNet-based neural vocoding systems significantly improve the perceptual quality of synthesized…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-23 Eunwoo Song , Kyungguen Byun , Hong-Goo Kang

Conventional speech enhancement technique such as beamforming has known benefits for far-field speech recognition. Our own work in frequency-domain multi-channel acoustic modeling has shown additional improvements by training a spatial…

Sound · Computer Science 2020-02-10 Taejin Park , Kenichi Kumatani , Minhua Wu , Shiva Sundaram

Pre-trained transformer-based models have significantly advanced automatic speech recognition (ASR), yet they remain sensitive to accent and dialectal variations, resulting in elevated word error rates (WER) in linguistically diverse…

Computation and Language · Computer Science 2025-10-13 Mohammad Hossein Sameti , Sepehr Harfi Moridani , Ali Zarean , Hossein Sameti

Confidence measure is a performance index of particular importance for automatic speech recognition (ASR) systems deployed in real-world scenarios. In the present study, utterance-level neural confidence measure (NCM) in end-to-end…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-17 Wei Liu , Tan Lee

Intracellular recordings of neuronal membrane potential are a central tool in neurophysiology. In many situations, especially in vivo, the traditional limitation of such recordings is the high electrode resistance, which may cause…

Neurons and Cognition · Quantitative Biology 2007-11-15 R. Brette , Z. Piwkowska , M. Rudolph-Lilith , T. Bal , A. Destexhe

The prevalent approach in speech emotion recognition (SER) involves integrating both audio and textual information to comprehensively identify the speaker's emotion, with the text generally obtained through automatic speech recognition…

Computation and Language · Computer Science 2024-05-29 Jiajun He , Xiaohan Shi , Xingfeng Li , Tomoki Toda