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Human-imitated speech poses a greater challenge than AI-generated speech for both human listeners and automatic detection systems. Unlike AI-generated speech, which often contains artifacts, over-smoothed spectra, or robotic cues, imitated…

Sound · Computer Science 2026-04-28 Khalid Zaman , Masashi Unoki

Transceivers operating in frequency division duplex experience a transmitter leakage (TxL) signal into the receiver due to the limited duplexer stop-band isolation. This TxL signal in combination with the second-order nonlinearity of the…

Deep learning has been used to tackle problems in wireless communication including signal detection, channel estimation, traffic prediction, and demapping. Achieving reasonable results with deep learning typically requires large datasets…

Signal Processing · Electrical Eng. & Systems 2024-08-30 Uyoata E. Uyoata , Ramoni O. Adeogun

Anomalous audio in speech recordings is often caused by speaker voice distortion, external noise, or even electric interferences. These obstacles have become a serious problem in some fields, such as high-quality music mixing and speech…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-11 Qiang Huang , Thomas Hain

Shallow water environments create a challenging channel for communications. In this paper, we focus on the challenges posed by the frequency-selective signal distortion called the Doppler effect. We explore the design and performance of…

Signal Processing · Electrical Eng. & Systems 2019-09-11 Abigail Lee-Leon , Chau Yuen , Dorien Herremans

A novel Gaussian mixture model (GMM) aided sparse Bayesian learning (SBL) framework is proposed for channel state information (CSI) estimation in orthogonal time-frequency space (OTFS) modulated systems. The key attribute of the proposed…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Surbhi Gehlot , Suraj Srivastava , Sandeep Kumar Yadav , Lajos Hanzo

Tilt-to-length (TTL) noise, caused by angular jitter and misalignment, is a major noise source in the inter-satellite interferometer for gravitational wave detection. However, the required level of axis alignment of the optical components…

Instrumentation and Detectors · Physics 2025-04-11 Peng Qiu , Xiang Lin , Yurong Liang , Hao Yan , Haixing Miao , Zebing Zhou

In this study, we propose the global context guided channel and time-frequency transformations to model the long-range, non-local time-frequency dependencies and channel variances in speaker representations. We use the global context…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-10 Wei Xia , John H. L. Hansen

Time-frequency (TF) representations of time series are intrinsically subject to the boundary effects. As a result, the structures of signals that are highlighted by the representations are garbled when approaching the boundaries of the TF…

Signal Processing · Electrical Eng. & Systems 2021-02-24 Adrien Meynard , Hau-Tieng Wu

Accurate classification of respiratory sounds requires deep learning models that effectively capture fine-grained acoustic features and long-range temporal dependencies. Convolutional Neural Networks (CNNs) are well-suited for extracting…

Sound · Computer Science 2025-07-29 Nouhaila Fraihi , Ouassim Karrakchou , Mounir Ghogho

Speaker embedding is an important front-end module to explore discriminative speaker features for many speech applications where speaker information is needed. Current SOTA backbone networks for speaker embedding are designed to aggregate…

Sound · Computer Science 2022-03-18 Ruiteng Zhang , Jianguo Wei , Xugang Lu , Wenhuan Lu , Di Jin , Junhai Xu , Lin Zhang , Yantao Ji , Jianwu Dang

The cochlea or inner ear has a remarkable ability to amplify sound signals. This is understood to derive at least in part from some active process that magnifies vibrations of the basilar membrane (BM) and the cochlear partition in which it…

Biological Physics · Physics 2015-07-08 William Ko , John M. Stockie

Transfer learning (TL) techniques, which leverage prior knowledge gained from data with different distributions to achieve higher performance and reduced training time, are often used in computer vision (CV) and natural language processing…

Signal Processing · Electrical Eng. & Systems 2022-10-05 Lauren J. Wong , Sean McPherson , Alan J. Michaels

State-of-the-art neural language models (LMs) represented by Transformers are highly complex. Their use of fixed, deterministic parameter estimates fail to account for model uncertainty and lead to over-fitting and poor generalization when…

Computation and Language · Computer Science 2021-02-10 Boyang Xue , Jianwei Yu , Junhao Xu , Shansong Liu , Shoukang Hu , Zi Ye , Mengzhe Geng , Xunying Liu , Helen Meng

Robustness against temporal variations is important for emotion recognition from speech audio, since emotion is ex-pressed through complex spectral patterns that can exhibit significant local dilation and compression on the time axis…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-10 Eric Guizzo , Tillman Weyde , Jack Barnett Leveson

Due to availability of large spectrum chunks, the sub-TeraHertz (subTHz) frequency band can support Ultra-WideBand (UWB) wireless communications, paving the way for unprecedented increase in the wireless network capacity. This fact is…

The precision of Cosmic Microwave Background (CMB) experiments, specifically its lensing reconstruction, has reached the limit where non-linear corrections cannot be ignored. Neglecting these corrections results in biased constraints on…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-27 Cynthia Trendafilova , Ali Rida Khalife , Silvia Galli

Accurate modeling of infrasound transmission losses (TLs) is essential to assess the performance of the global International Monitoring System infrasound network. Among existing propagation modeling tools, parabolic equation (PE) method…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Alexis Le Pichon , Alice Janela Cameijo , Samir Aknine , Youcef Sklab , Souhila Arib , Quentin Brissaud , Sven Peter Naesholm

Geoelectrical techniques are widely used to monitor groundwater processes, while surprisingly few studies have considered audio (AMT) and radio (RMT) magnetotellurics for such purposes. In this numerical investigation, we analyze to what…

Geophysics · Physics 2017-01-11 M. Rosas Carbajal , N. Linde , T. Kalscheuer

Accurate classification of laryngeal vascular as benign or malignant is crucial for early detection of laryngeal cancer. However, organizations with limited access to laryngeal vascular images face challenges due to the lack of large and…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Xinyi Fang , Xu Yang , Chak Fong Chong , Kei Long Wong , Yapeng Wang , Tiankui Zhang , Sio-Kei Im