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Related papers: Differentiable Time-Frequency Scattering on GPU

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We introduce a scattering representation for the analysis and classification of sounds. It is locally translation-invariant, stable to deformations in time and frequency, and has the ability to capture harmonic structures. The scattering…

Sound · Computer Science 2015-09-02 Vincent Lostanlen , Stéphane Mallat

Transformers have drawn attention in the MIR field for their remarkable performance shown in natural language processing and computer vision. However, prior works in the audio processing domain mostly use Transformer as a temporal feature…

Sound · Computer Science 2021-10-26 Wei-Tsung Lu , Ju-Chiang Wang , Minz Won , Keunwoo Choi , Xuchen Song

Orthogonal time frequency space (OTFS) is a modulation technique which is robust against the disruptive effects of doubly-selective channels. In this paper, we perform an experimental study of OTFS by a real-time software defined radio…

Information Theory · Computer Science 2023-11-21 Yi Xien Yap , Neil Bhushan , Onur Dizdar , Ata Sattarzadeh , David Redgate , Venkateswara Battula , Stephen Wang

With the emergence of GAN-based vocoders, the discriminator, as a crucial component, has been developed recently. In our work, we focus on improving the time-frequency based discriminator. Particularly, Short-Time Fourier Transform (STFT)…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-04 Nan Xu , Zhaolong Huang , Xiao Zeng

This paper addresses the problem of under-determinded speech source separation from multichannel microphone singals, i.e. the convolutive mixtures of multiple sources. The time-domain signals are first transformed to the short-time Fourier…

Sound · Computer Science 2019-04-11 Xiaofei Li , Laurent Girin , Radu Horaud

Anti-spoofing is the task of speech authentication. That is, identifying genuine human speech compared to spoofed speech. The main focus of this paper is to suggest new representations for genuine and spoofed speech, based on the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-28 Matan Karo , Arie Yeredor , Itshak Lapidot

Deep Learning models have become potential candidates for auditory neuroscience research, thanks to their recent successes on a variety of auditory tasks. Yet, these models often lack interpretability to fully understand the exact…

Sound · Computer Science 2021-08-04 Rachid Riad , Julien Karadayi , Anne-Catherine Bachoud-Lévi , Emmanuel Dupoux

The audio spectrogram is a time-frequency representation that has been widely used for audio classification. One of the key attributes of the audio spectrogram is the temporal resolution, which depends on the hop size used in the Short-Time…

Sound · Computer Science 2024-01-15 Haohe Liu , Xubo Liu , Qiuqiang Kong , Wenwu Wang , Mark D. Plumbley

Following the successful application of vision transformers in multiple computer vision tasks, these models have drawn the attention of the signal processing community. This is because signals are often represented as spectrograms (e.g.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Nicolae-Catalin Ristea , Radu Tudor Ionescu , Fahad Shahbaz Khan

Audio-visual speech separation methods aim to integrate different modalities to generate high-quality separated speech, thereby enhancing the performance of downstream tasks such as speech recognition. Most existing state-of-the-art (SOTA)…

Sound · Computer Science 2024-03-22 Samuel Pegg , Kai Li , Xiaolin Hu

Time-frequency (TF) representations provide powerful and intuitive features for the analysis of time series such as audio. But still, generative modeling of audio in the TF domain is a subtle matter. Consequently, neural audio synthesis…

Sound · Computer Science 2019-05-17 Andrés Marafioti , Nicki Holighaus , Nathanaël Perraudin , Piotr Majdak

This paper introduces a nonlinear string sound synthesizer, based on a finite difference simulation of the dynamic behavior of strings under various excitations. The presented synthesizer features a versatile string simulation engine…

Sound · Computer Science 2024-01-09 Jin Woo Lee , Min Jun Choi , Kyogu Lee

Voice Type Discrimination (VTD) refers to discrimination between regions in a recording where speech was produced by speakers that are physically within proximity of the recording device ("Live Speech") from speech and other types of audio…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-12 Tyler Vuong , Yangyang Xia , Richard Stern

Flow-based generative models have greatly improved text-to-speech (TTS) synthesis quality, but inference speed remains limited by the iterative sampling process and multiple function evaluations (NFE). The recent MeanFlow model accelerates…

Sound · Computer Science 2025-10-10 Wei Wang , Rong Cao , Yi Guo , Zhengyang Chen , Kuan Chen , Yuanyuan Huo

Diffusion models have become a leading paradigm for image super-resolution (SR), but existing methods struggle to guarantee both the high-frequency perceptual quality and the low-frequency structural fidelity of generated images. Although…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Hexin Zhang , Dong Li , Jie Huang , Bingzhou Wang , Xueyang Fu , Zhengjun Zha

Dereverberation of a moving speech source in the presence of other directional interferers, is a harder problem than that of stationary source and interference cancellation. We explore joint multi channel linear prediction (MCLP) and…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-23 Srikanth Raj Chetupalli , Thippur V. Sreenivas

Personalized head-related transfer functions (HRTFs) are essential for ensuring a realistic auditory experience over headphones, because they take into account individual anatomical differences that affect listening. Most machine learning…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-27 You Zhang , Andrew Francl , Ruohan Gao , Paul Calamia , Zhiyao Duan , Ishwarya Ananthabhotla

Night-Time Scene Parsing (NTSP) is essential to many vision applications, especially for autonomous driving. Most of the existing methods are proposed for day-time scene parsing. They rely on modeling pixel intensity-based spatial…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Zhifeng Xie , Sen Wang , Ke Xu , Zhizhong Zhang , Xin Tan , Yuan Xie , Lizhuang Ma

This letter extends the concept of graph-frequency to graph signals that evolve with time. Our goal is to generalize and, in fact, unify the familiar concepts from time- and graph-frequency analysis. To this end, we study a joint temporal…

Machine Learning · Computer Science 2016-02-17 Andreas Loukas , Damien Foucard

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