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Teleconferencing is becoming essential during the COVID-19 pandemic. However, in real-world applications, speech quality can deteriorate due to, for example, background interference, noise, or reverberation. To solve this problem, target…

音频与语音处理 · 电气工程与系统科学 2022-05-02 Yicheng Hsu , Yonghan Lee , Mingsian R. Bai

Brain-computer interface (BCI) technology enables direct interaction between humans and computers by analyzing brain signals. Electroencephalogram (EEG) is one of the non-invasive tools used in BCI systems, providing high temporal…

信号处理 · 电气工程与系统科学 2024-11-18 Hyeon-Taek Han , Dae-Hyeok Lee , Heon-Gyu Kwak

Emotional voice conversion (EVC) is one way to generate expressive synthetic speech. Previous approaches mainly focused on modeling one-to-one mapping, i.e., conversion from one emotional state to another emotional state, with Mel-cepstral…

音频与语音处理 · 电气工程与系统科学 2020-04-09 Songxiang Liu , Yuewen Cao , Helen Meng

We study scaling convolutional neural networks (CNNs), specifically targeting Residual neural networks (ResNet), for analyzing electrocardiograms (ECGs). Although ECG signals are time-series data, CNN-based models have been shown to…

机器学习 · 计算机科学 2025-05-01 Byeong Tak Lee , Yong-Yeon Jo , Joon-Myoung Kwon

The electroencephalogram (EEG) offers a non-invasive means by which a listener's auditory system may be monitored during continuous speech perception. Reliable auditory-EEG decoders could facilitate the objective diagnosis of hearing…

音频与语音处理 · 电气工程与系统科学 2023-12-18 Mike Thornton , Danilo Mandic , Tobias Reichenbach

Auditory attention decoding (AAD) algorithms decode the auditory attention from electroencephalography (EEG) signals that capture the listener's neural activity. Such AAD methods are believed to be an important ingredient towards so-called…

信号处理 · 电气工程与系统科学 2021-02-02 Simon Geirnaert , Tom Francart , Alexander Bertrand

There is increasing interest in using deep learning approach for EEG analysis as there are still rooms for the improvement of EEG analysis in its accuracy. Convolutional long short-term (CNNLSTM) has been successfully applied in time series…

信号处理 · 电气工程与系统科学 2019-12-20 Lingling Yang , Leanne Lai Hang Chan , Yao Lu

Electrocardiogram (ECG) signals, profiling the electrical activities of the heart, are used for a plethora of diagnostic applications. However, ECG systems require multiple leads or channels of signals to capture the complete view of the…

信号处理 · 电气工程与系统科学 2024-05-31 Nabil Ibtehaz , Masood Mortazavi

The spatial covariance matrix has been considered to be significant for beamformers. Standing upon the intersection of traditional beamformers and deep neural networks, we propose a causal neural beamformer paradigm called Embedding and…

声音 · 计算机科学 2021-09-03 Andong Li , Wenzhe Liu , Chengshi Zheng , Xiaodong Li

Combining electroencephalogram (EEG) datasets for supervised machine learning (ML) is challenging due to session, subject, and device variability. ML algorithms typically require identical features at train and test time, complicating…

信号处理 · 电气工程与系统科学 2024-06-28 Apolline Mellot , Antoine Collas , Sylvain Chevallier , Denis Engemann , Alexandre Gramfort

Emotional voice conversion (EVC) aims to convert the emotion of speech from one state to another while preserving the linguistic content and speaker identity. In this paper, we study the disentanglement and recomposition of emotional…

声音 · 计算机科学 2020-11-05 Kun Zhou , Berrak Sisman , Haizhou Li

Electroencephalogram (EEG) classification has been widely used in various medical and engineering applications, where it is important for understanding brain function, diagnosing diseases, and assessing mental health conditions. However,…

信号处理 · 电气工程与系统科学 2024-08-20 Mingzhi Chen , Yiyu Gui , Yuqi Su , Yuesheng Zhu , Guibo Luo , Yuchao Yang

Dysarthria impairs motor control of speech, often resulting in reduced intelligibility and frequent misarticulations. Although interest in brain-computer interface technologies is growing, electroencephalogram (EEG)-based communication…

人工智能 · 计算机科学 2025-12-15 Ha-Na Jo , Jung-Sun Lee , Eunyeong Ko

In acoustic signal processing, the target signals usually carry semantic information, which is encoded in a hierarchal structure of short and long-term contexts. However, the background noise distorts these structures in a nonuniform way.…

音频与语音处理 · 电气工程与系统科学 2022-01-26 Tassadaq Hussain , Wei-Chien Wang , Mandar Gogate , Kia Dashtipour , Yu Tsao , Xugang Lu , Adeel Ahsan , Amir Hussain

Single-channel speech enhancement is utilized in various tasks to mitigate the effect of interfering signals. Conventionally, to ensure the speech enhancement performs optimally, the speech enhancement has needed to be tuned for each task.…

音频与语音处理 · 电气工程与系统科学 2025-07-11 Hiroshi Sato , Tsubasa Ochiai , Marc Delcroix , Takafumi Moriya , Takanori Ashihara , Ryo Masumura

This paper presents an improved deep embedding learning method based on convolutional neural network (CNN) for text-independent speaker verification. Two improvements are proposed for x-vector embedding learning: (1) Multi-scale convolution…

音频与语音处理 · 电气工程与系统科学 2020-01-15 Bin Gu , Wu Guo

While electroencephalography (EEG) has been a popular modality for neural decoding, it often involves task specific acquisition of the EEG data. This poses challenges for the development of a unified pipeline to learn embeddings for various…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Pushapdeep Singh , Jyoti Nigam , Medicherla Vamsi Krishna , Arnav Bhavsar , Aditya Nigam

We propose a novel method for Acoustic Event Detection (AED). In contrast to speech, sounds coming from acoustic events may be produced by a wide variety of sources. Furthermore, distinguishing them often requires analyzing an extended time…

声音 · 计算机科学 2016-12-09 Naoya Takahashi , Michael Gygli , Beat Pfister , Luc Van Gool

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…

音频与语音处理 · 电气工程与系统科学 2022-06-07 Karn N. Watcharasupat , Thi Ngoc Tho Nguyen , Woon-Seng Gan , Shengkui Zhao , Bin Ma

We propose a Beamformer-guided Target Speaker Extraction (BG-TSE) method to extract a target speaker's voice from a multi-channel recording informed by the direction of arrival of the target. The proposed method employs a front-end…

音频与语音处理 · 电气工程与系统科学 2023-03-16 Mohamed Elminshawi , Srikanth Raj Chetupalli , Emanuël A. P. Habets