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We consider the problem of single-channel audio source separation with the goal of reconstructing $K$ sources from their mixture. We address this ill-posed problem with FLOSS (FLOw matching for Source Separation), a constrained generation…

Sound · Computer Science 2025-07-21 Robin Scheibler , John R. Hershey , Arnaud Doucet , Henry Li

Machine learning techniques have proved useful for classifying and analyzing audio content. However, recent methods typically rely on abstract and high-dimensional representations that are difficult to interpret. Inspired by…

We propose Diffusion Inference-Time T-Optimization (DITTO), a general-purpose frame-work for controlling pre-trained text-to-music diffusion models at inference-time via optimizing initial noise latents. Our method can be used to optimize…

Sound · Computer Science 2024-06-04 Zachary Novack , Julian McAuley , Taylor Berg-Kirkpatrick , Nicholas J. Bryan

Prompt engineering is very important to enhance the performance of large language models (LLMs). When dealing with complex issues, prompt engineers tend to distill multiple patterns from examples and inject relevant solutions to optimize…

Computation and Language · Computer Science 2024-10-14 Sheng Yang , Yurong Wu , Yan Gao , Zineng Zhou , Bin Benjamin Zhu , Xiaodi Sun , Jian-Guang Lou , Zhiming Ding , Anbang Hu , Yuan Fang , Yunsong Li , Junyan Chen , Linjun Yang

Diffusion models are proficient at generating high-quality images. They are however effective only when operating at the resolution used during training. Inference at a scaled resolution leads to repetitive patterns and structural…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Haosen Yang , Adrian Bulat , Isma Hadji , Hai X. Pham , Xiatian Zhu , Georgios Tzimiropoulos , Brais Martinez

Diffusion models can learn rich representations during data generation, showing potential for Self-Supervised Learning (SSL), but they face a trade-off between generative quality and discriminative performance. Their iterative sampling also…

Machine Learning · Computer Science 2025-12-24 Kosuke Ukita , Tsuyoshi Okita

fmeval is an open source library to evaluate large language models (LLMs) in a range of tasks. It helps practitioners evaluate their model for task performance and along multiple responsible AI dimensions. This paper presents the library…

The past decade has seen substantial work on the use of non-negative matrix factorization and its probabilistic counterparts for audio source separation. Although able to capture audio spectral structure well, these models neglect the…

Machine Learning · Computer Science 2012-07-03 Gautham Mysore , Maneesh Sahani

Audio generation has attracted significant attention. Despite remarkable enhancement in audio quality, existing models overlook diversity evaluation. This is partially due to the lack of a systematic sound class diversity framework and a…

Sound · Computer Science 2024-07-19 Baihan Li , Zeyu Xie , Xuenan Xu , Yiwei Guo , Ming Yan , Ji Zhang , Kai Yu , Mengyue Wu

Flow maps enable high-quality image generation in a single forward pass. However, unlike iterative diffusion models, their lack of an explicit sampling trajectory impedes incorporating external constraints for conditional generation and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Abbas Mammadov , So Takao , Bohan Chen , Ricardo Baptista , Morteza Mardani , Yee Whye Teh , Julius Berner

Accurate and safe medication recommendations are critical for effective clinical decision-making, especially in multimorbidity cases. However, existing systems rely on point-wise prediction paradigms that overlook synergistic drug effects…

Machine Learning · Computer Science 2026-05-19 Chenxiao Fan , Chongming Gao , Wentao Shi , Yaxin Gong , Zihao Zhao , Fuli Feng

We present a novel reasoning approach called Flow-of-Options (FoO), designed to address intrinsic biases in Large Language Models (LLMs). Flow-of-Options enables LLMs to systematically explore a diverse range of possibilities in their…

Machine Learning · Computer Science 2025-06-02 Lakshmi Nair , Ian Trase , Mark Kim

Deep learning models have seen widespread use in modelling LFO-driven audio effects, such as phaser and flanger. Although existing neural architectures exhibit high-quality emulation of individual effects, they do not possess the capability…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-21 Gyubin Lee , Hounsu Kim , Junwon Lee , Juhan Nam

Recent advances in diffusion-based generative models have enabled high-quality text-to-audio synthesis, but fine-grained acoustic control remains a significant challenge in open-source research. We present Audio Palette, a diffusion…

Sound · Computer Science 2025-12-09 Junnuo Wang

Extracting individual elements from music mixtures is a valuable tool for music production and practice. While neural networks optimized to mask or transform mixture spectrograms into the individual source(s) have been the leading approach,…

Sound · Computer Science 2025-11-26 Genís Plaja-Roglans , Yun-Ning Hung , Xavier Serra , Igor Pereira

This paper addresses the problem of separating audio sources from time-varying convolutive mixtures. We propose a probabilistic framework based on the local complex-Gaussian model combined with non-negative matrix factorization. The…

Accurate spectrum prediction is crucial for dynamic spectrum access (DSA) and resource allocation. However, due to the unique characteristics of spectrum data, existing methods based on the time or frequency domain often struggle to…

Machine Learning · Computer Science 2025-08-26 Yanghao Qin , Bo Zhou , Guangliang Pan , Qihui Wu , Meixia Tao

Time series classification (TSC) is crucial in numerous real-world applications, such as environmental monitoring, medical diagnosis, and posture recognition. TSC tasks require models to effectively capture discriminative information for…

Machine Learning · Computer Science 2025-12-10 Da Zhang , Bingyu Li , Zhiyuan Zhao , Yanhan Zhang , Junyu Gao , Feiping Nie , Xuelong Li

In this paper, we address a multichannel audio source separation task and propose a new efficient method called independent deeply learned matrix analysis (IDLMA). IDLMA estimates the demixing matrix in a blind manner and updates the…

Audio and Speech Processing · Electrical Eng. & Systems 2018-06-28 Shinichi Mogami , Hayato Sumino , Daichi Kitamura , Norihiro Takamune , Shinnosuke Takamichi , Hiroshi Saruwatari , Nobutaka Ono

Audio-Language Models (ALMs) have recently achieved remarkable success in zero-shot audio recognition tasks, which match features of audio waveforms with class-specific text prompt features, inspired by advancements in Vision-Language…

Sound · Computer Science 2024-10-01 Asif Hanif , Maha Tufail Agro , Mohammad Areeb Qazi , Hanan Aldarmaki