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In this paper, we propose a novel self-distillation method for fake speech detection (FSD), which can significantly improve the performance of FSD without increasing the model complexity. For FSD, some fine-grained information is very…

Sound · Computer Science 2023-03-03 Jun Xue , Cunhang Fan , Jiangyan Yi , Chenglong Wang , Zhengqi Wen , Dan Zhang , Zhao Lv

The diverse applications of whispering gallery modes in spherical microresonators are strongly related to the sphere size and material composition. Their design should therefore be optimized to ensure that parameters such as the quality…

Optics · Physics 2025-10-21 Lorena Velazquez-Ibarra , Juan Barranco

The finite difference time domain (FDTD) algorithm and Green function algorithm are implemented into the numerical simulation of electromagnetic scattering by ordinary objects in Schwarzschild space-time. FDTD method in curved space-time is…

Computational Physics · Physics 2018-04-13 Shouqing Jia

Distribution Matching Distillation (DMD) distills score-based generative models into efficient one-step generators, without requiring a one-to-one correspondence with the sampling trajectories of their teachers. Yet, the limited capacity of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Xiangyu Fan , Zesong Qiu , Zhuguanyu Wu , Fanzhou Wang , Zhiqian Lin , Tianxiang Ren , Dahua Lin , Ruihao Gong , Lei Yang

Audio diffusion models can synthesize a wide variety of sounds. Existing models often operate on the latent domain with cascaded phase recovery modules to reconstruct waveform. This poses challenges when generating high-fidelity audio. In…

Sound · Computer Science 2023-11-21 Ge Zhu , Yutong Wen , Marc-André Carbonneau , Zhiyao Duan

We present a theoretical investigation of a whispering gallery mode (WGM) resonator coupled to a Mach-Zehnder interferometer (MZI) and show a bimodal coincidence transmission spectrum when the input state is an indistinguishable photon…

Quantum Physics · Physics 2024-04-29 Callum Jones , Antonio Vidiella-Barranco , Jolly Xavier , Frank Vollmer

Diffusion transformers have demonstrated remarkable generation quality, albeit requiring longer training iterations and numerous inference steps. In each denoising step, diffusion transformers encode the noisy inputs to extract the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Shuai Wang , Zhi Tian , Weilin Huang , Limin Wang

Spectroscopy is the basic tool for studying molecular physics and realizing bio-chemical sensing. However, it is challenging to realize sub-femtometer resolution spectroscopy over broad bandwidth. In this paper, broadband and…

Optics · Physics 2022-12-19 Bingxin Xu , Yangyang Wan , Xinyu Fan , Zuyuan He

Rendering dynamic reverberation in a complicated acoustic space for moving sources and listeners is challenging but crucial for enhancing user immersion in extended-reality (XR) applications. Capturing spatially varying room impulse…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-10 Orchisama Das , Gloria Dal Santo , Sebastian J. Schlecht , Vesa Valimaki , Zoran Cvetkovic

The precise measurement of the gain lifetime at a specific wavelength holds significant importance for understanding the properties of photonic devices and further improving their performances. Here, we show that the evolution of gains can…

Optics · Physics 2018-10-10 Xiao-Fei Liu , Fuchuan Lei , Tie-Jun Wang , Gui-Lu Long , Chuan Wang

A frequency domain model of multimode circular microresonators for filter applications in integrated optics is investigated. Analytical basis modes of 2D bent waveguides or curved interfaces are combined with modes of straight channels in a…

Mathematical Physics · Physics 2007-05-23 K. R. Hiremath , R. Stoffer , M. Hammer

We proposed a provably stable FDTD subgridding method for accurate and efficient transient electromagnetic analysis. In the proposed method, several field components are properly added to the boundaries of Yee's grid to make sure that the…

Computational Engineering, Finance, and Science · Computer Science 2021-10-19 Yu Cheng , Yuhui Wang , Hanhong Liu , Lilin Li , Xiang-Hua Wang , Shunchuan Yang , Zhizhang , Chen

We test methods for the determination of unstable modes in stellar discs: a point collocation scheme in the action sub-space, a scheme based on expansion of the density and potential on the biorthonormal basis, and a finite element method.…

Astrophysics of Galaxies · Physics 2015-06-23 Evgeny Polyachenko , Andreas Just

Mainstream zero-shot TTS production systems like Voicebox and Seed-TTS achieve human parity speech by leveraging Flow-matching and Diffusion models, respectively. Unfortunately, human-level audio synthesis leads to identity misuse and…

Sensing with optical whispering gallery modes (WGMs) is a rapidly developing detection method in modern microfluidics research. This method explores the perturbations of spectra of WGMs propagating along the wall of an optical…

Soliton microcombs have shown great potential in a variety of applications ranging from chip scale frequency metrology to optical communications and photonic data center, in which light coupling among cavity transverse modes, termed as…

Optics · Physics 2023-05-22 Tuo Liu , Suwan Sun , You Gao , Siyu Wang , Yongyuan Chu , Hairun Guo

This paper introduces a novel data-driven strategy for synthesizing gramophone noise audio textures. A diffusion probabilistic model is applied to generate highly realistic quasiperiodic noises. The proposed model is designed to generate…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-01 Eloi Moliner , Vesa Välimäki

In this study, an integrated low-cost and complexity mm-wave structure of Whispering Gallery Mode (WGM) is proposed for sensing the glucose levels in mimicking aquatic solutions of concentrations similar to type 2 diabetics. The bio-sensor…

Applied Physics · Physics 2019-09-30 Ala Eldin Omer , George Shaker , Safieddin Safavi-Naeini

We investigate dendritic sidebranching during crystal growth in an undercooled melt by simulation of a phase-field model which incorporates thermal noise of microscopic origin. As a non-trivial quantitative test of this model, we first show…

Materials Science · Physics 2009-10-31 Alain Karma , Wouter-Jan Rappel

We propose a method for soliton formation in whispering-gallery-mode (WGM) resonators through input phase modulation. Our numerical simulations of a variant of the Lugiato-Lefever equation suggest that modulating the input phase at a…

Optics · Physics 2014-10-03 Hossein Taheri , Ali A. Eftekhar , Kurt Wiesenfeld , Ali Adibi