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Traditional automatic speech recognition~(ASR) systems usually focus on individual utterances, without considering long-form speech with useful historical information, which is more practical in real scenarios. Simply attending longer…

Sound · Computer Science 2022-11-18 Xun Gong , Yu Wu , Jinyu Li , Shujie Liu , Rui Zhao , Xie Chen , Yanmin Qian

This paper proposes a novel bidirectional neural vocoder, named BiVocoder, capable both of feature extraction and reverse waveform generation within the short-time Fourier transform (STFT) domain. For feature extraction, the BiVocoder takes…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-05 Hui-Peng Du , Ye-Xin Lu , Yang Ai , Zhen-Hua Ling

In recent decades, neural network based methods have significantly improved the performace of speech enhancement. Most of them estimate time-frequency (T-F) representation of target speech directly or indirectly, then resynthesize waveform…

Sound · Computer Science 2020-02-06 Jingdong Li , Hui Zhang , Xueliang Zhang , Changliang Li

Speech dereverberation is often an important requirement in robust speech processing tasks. Supervised deep learning (DL) models give state-of-the-art performance for single-channel speech dereverberation. Temporal convolutional networks…

Sound · Computer Science 2022-07-04 William Ravenscroft , Stefan Goetze , Thomas Hain

This article surveys convolution-based models including convolutional neural networks (CNNs), Conformers, ResNets, and CRNNs-as speech signal processing models and provide their statistical backgrounds and speech recognition, speaker…

Sound · Computer Science 2024-12-02 Nirmal Joshua Kapu , Raghav Karan

Fourier Neural Operators are deep learning models that learn mappings between function spaces and can be used to learn and solve partial differential equations (PDEs), in some cases significantly faster than traditional PDE solvers. Within…

Machine Learning · Computer Science 2026-05-05 Michael F. Staddon

In recent years, complex valued artificial neural networks have gained increasing interest as they allow neural networks to learn richer representations while potentially incorporating less parameters. Especially in the domain of computer…

Computer Vision and Pattern Recognition · Computer Science 2019-03-11 Niloofar Azizi , Nils Wandel , Sven Behnke

In the area of bearing fault diagnosis, deep learning (DL) methods have been widely used recently. However, due to the high cost or privacy concerns, high-quality labeled data are scarce in real world scenarios. While few-shot learning has…

Machine Learning · Computer Science 2025-09-16 Shengke Sun , Shuzhen Han , Ziqian Luan , Xinghao Qin , Jiao Yin , Zhanshan Zhao , Jinli Cao , Hua Wang

State-of-the-art results of semantic segmentation are established by Fully Convolutional neural Networks (FCNs). FCNs rely on cascaded convolutional and pooling layers to gradually enlarge the receptive fields of neurons, resulting in an…

Computer Vision and Pattern Recognition · Computer Science 2016-03-17 Zhicheng Yan , Hao Zhang , Yangqing Jia , Thomas Breuel , Yizhou Yu

We present a Fourier neural network (FNN) that can be mapped directly to the Fourier decomposition. The choice of activation and loss function yields results that replicate a Fourier series expansion closely while preserving a…

Machine Learning · Computer Science 2021-04-30 Marieme Ngom , Oana Marin

A novel speech feature fusion algorithm with independent vector analysis (IVA) and parallel convolutional neural network (PCNN) is proposed for text-independent speaker recognition. Firstly, some different feature types, such as the time…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-02 Biao Ma , Chengben Xu , Ye Zhang

Convolutional Neural Network (CNN) has been widely used in various fields and played an important role. Convolution operators are the fundamental component of convolutional neural networks, and it is also the most time-consuming part of…

Artificial Intelligence · Computer Science 2021-11-02 Gan Tong , Libo Huang

Despite significant efforts over the last few years to build a robust automatic speech recognition (ASR) system for different acoustic settings, the performance of the current state-of-the-art technologies significantly degrades in noisy…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-17 Salar Jafarlou , Soheil Khorram , Vinay Kothapally , John H. L. Hansen

Deep learning-based speech enhancement has seen huge improvements and recently also expanded to full band audio (48 kHz). However, many approaches have a rather high computational complexity and require big temporal buffers for real time…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-12 Hendrik Schröter , Alberto N. Escalante-B. , Tobias Rosenkranz , Andreas Maier

This paper proposes neural networks for compensating sensorineural hearing loss. The aim of the hearing loss compensation task is to transform a speech signal to increase speech intelligibility after further processing by a person with a…

Sound · Computer Science 2023-10-26 Szymon Drgas , Lars Bramsløw , Archontis Politis , Gaurav Naithani , Tuomas Virtanen

Two-stage pipeline is popular in speech enhancement tasks due to its superiority over traditional single-stage methods. The current two-stage approaches usually enhance the magnitude spectrum in the first stage, and further modify the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-22 Yuewei Zhang , Huanbin Zou , Jie Zhu

Convolutional Neural Networks (CNN) have been the centerpiece of many applications including but not limited to computer vision, speech processing, and Natural Language Processing (NLP). However, the computationally expensive convolution…

Emerging Technologies · Computer Science 2019-07-11 Armin Mehrabian , Yousra Al-Kabani , Volker J Sorger , Tarek El-Ghazawi

Fully convolutional network (FCN) is a seminal work for semantic segmentation. However, due to its limited receptive field, FCN cannot effectively capture global context information which is vital for semantic segmentation. As a result, it…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Xiaoyu Ren , Zhongying Deng , Jin Ye , Junjun He , Dongxu Yang

The objective of this work is to investigate complementary features which can aid the quintessential Mel frequency cepstral coefficients (MFCCs) in the task of closed, limited set word recognition for non-native English speakers of…

Sound · Computer Science 2022-06-16 Pierre Berjon , Rajib Sharma , Avishek Nag , Soumyabrata Dev

Neural transducer is now the most popular end-to-end model for speech recognition, due to its naturally streaming ability. However, it is challenging to adapt it with text-only data. Factorized neural transducer (FNT) model was proposed to…

Computation and Language · Computer Science 2023-02-24 Rui Zhao , Jian Xue , Partha Parthasarathy , Veljko Miljanic , Jinyu Li