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Audio zooming, a signal processing technique, enables selective focusing and enhancement of sound signals from a specified region, attenuating others. While traditional beamforming and neural beamforming techniques, centered on creating a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-23 Meng Yu , Dong Yu

The goal of offline model-based optimization (MBO) is to propose new designs that maximize a reward function given only an offline dataset. However, an important desiderata is to also propose a diverse set of final candidates that capture…

Machine Learning · Computer Science 2025-05-02 Michael S. Yao , James C. Gee , Osbert Bastani

In audio classification, differentiable auditory filterbanks with few parameters cover the middle ground between hard-coded spectrograms and raw audio. LEAF (arXiv:2101.08596), a Gabor-based filterbank combined with Per-Channel Energy…

Sound · Computer Science 2022-07-13 Jan Schlüter , Gerald Gutenbrunner

The design of diffusion-based audio generation systems has been investigated from diverse perspectives, such as data space, network architecture, and conditioning techniques, while most of these innovations require model re-training. In…

Sound · Computer Science 2026-04-10 Junyou Wang , Zehua Chen , Binjie Yuan , Kaiwen Zheng , Chang Li , Yuxuan Jiang , Jun Zhu

In recent works, a flow-based neural vocoder has shown significant improvement in real-time speech generation task. The sequence of invertible flow operations allows the model to convert samples from simple distribution to audio samples.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Hyun-Wook Yoon , Sang-Hoon Lee , Hyeong-Rae Noh , Seong-Whan Lee

The Video-to-Audio (V2A) model has recently gained attention for its practical application in generating audio directly from silent videos, particularly in video/film production. However, previous methods in V2A have limited generation…

Sound · Computer Science 2023-07-03 Simian Luo , Chuanhao Yan , Chenxu Hu , Hang Zhao

Audio super-resolution aims to enhance low-resolution signals by creating high-frequency content. In this work, we modify the architecture of AERO (a state-of-the-art system for this task) for music super-resolution. SPecifically, we…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-13 Wallace Abreu , Luiz Wagner Pereira Biscainho

Open-vocabulary semantic segmentation models associate vision and text to label pixels from an undefined set of classes using textual queries, providing versatile performance on novel datasets. However, large shifts between training and…

Separating the individual elements in a musical mixture is an essential process for music analysis and practice. While this is generally addressed using neural networks optimized to mask or transform the time-frequency representation of a…

Sound · Computer Science 2025-11-27 Genís Plaja-Roglans , Yun-Ning Hung , Xavier Serra , Igor Pereira

This study aims to construct an audio-video generative model with minimal computational cost by leveraging pre-trained single-modal generative models for audio and video. To achieve this, we propose a novel method that guides single-modal…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Akio Hayakawa , Masato Ishii , Takashi Shibuya , Yuki Mitsufuji

We study an efficient dynamic blind source separation algorithm of convolutive sound mixtures based on updating statistical information in the frequency domain, andminimizing the support of time domain demixing filters by a weighted least…

Statistics Theory · Mathematics 2007-05-23 Jie Liu , Jack Xin , Yingyong Qi

The numerical investigation of acoustic damping materials, such as foams, constitutes a valuable enhancement to experimental testing. Typically, such materials are modeled in a homogenized way in order to reduce the computational effort and…

Numerical Analysis · Mathematics 2023-10-04 Lars Radtke , Paul Marter , Fabian Duvigneau , Sascha Eisenträger , Daniel Juhre , Alexander Düster

Bandwidth constraints limit LoRa implementations. Contemporary IoT applications require higher throughput than that provided by LoRa. This work introduces a LoRa Multiple Input Multiple Output (MIMO) system and a spatial multiplexing…

Computers and Society · Computer Science 2025-06-10 Atonu Ghosh , Sharath Chandan , Sudip Misra

Large language model (LLM) pruning with fixed N:M structured sparsity significantly limits the expressivity of the sparse model, yielding sub-optimal performance. In contrast, supporting multiple N:M patterns to provide sparse…

Machine Learning · Computer Science 2025-04-22 Akshat Ramachandran , Souvik Kundu , Arnab Raha , Shamik Kundu , Deepak K. Mathaikutty , Tushar Krishna

Modular design is a key challenge for enabling large-scale reuse of hardware modules. Unlike software, however, hardware designs correspond to physical circuits and inherit constraints from them. Timing constraints -- which cycle a signal…

Hardware Architecture · Computer Science 2023-04-24 Rachit Nigam , Pedro Henrique Azevedo De Amorim , Adrian Sampson

We introduce a novel, general-purpose audio generation framework specifically designed for anomaly detection and localization. Unlike existing datasets that predominantly focus on industrial and machine-related sounds, our framework focuses…

The deep learning trend has recently impacted a variety of fields, including communication systems, where various approaches have explored the application of neural networks in place of traditional designs. Neural networks flexibly allow…

Signal Processing · Electrical Eng. & Systems 2019-03-12 Ye Wang , Toshiaki Koike-Akino

We present a data-driven approach to automate audio signal processing by incorporating stateful third-party, audio effects as layers within a deep neural network. We then train a deep encoder to analyze input audio and control effect…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-12 Marco A. Martínez Ramírez , Oliver Wang , Paris Smaragdis , Nicholas J. Bryan

Probabilistic programming frameworks are powerful tools for statistical modelling and inference. They are not immediately generalisable to phylogenetic problems due to the particular computational properties of the phylogenetic tree object.…

Populations and Evolution · Quantitative Biology 2022-11-11 Christiaan Swanepoel , Mathieu Fourment , Xiang Ji , Hassan Nasif , Marc A Suchard , Frederick A Matsen , Alexei Drummond

The term "differentiable digital signal processing" describes a family of techniques in which loss function gradients are backpropagated through digital signal processors, facilitating their integration into neural networks. This article…

Sound · Computer Science 2023-08-30 Ben Hayes , Jordie Shier , György Fazekas , Andrew McPherson , Charalampos Saitis