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This technical report proposes an audio captioning system for DCASE 2021 Task 6 audio captioning challenge. Our proposed model is based on an encoder-decoder architecture with bi-directional Gated Recurrent Units (BiGRU) using pretrained…

Sound · Computer Science 2021-10-08 Ayşegül Özkaya Eren , Mustafa Sert

Standard fine-tuning of pre-trained audio models couples representation learning with classifier training, which can obscure the true quality of the learned representations. In this work, we advocate for a disentangled two-stage framework…

Sound · Computer Science 2025-09-23 Yang Wang , Qibin Liang , Chenghao Xiao , Yizhi Li , Noura Al Moubayed , Chenghua Lin

Identifying acoustic events from a continuously streaming audio source is of interest for many applications including environmental monitoring for basic research. In this scenario neither different event classes are known nor what…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Matthias Meyer , Jan Beutel , Lothar Thiele

Diffusion probabilistic models have shown impressive performance for speech enhancement, but they typically require 25 to 60 function evaluations in the inference phase, resulting in heavy computational complexity. Recently, a fine-tuning…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-12 Seonggyu Lee , Sein Cheong , Sangwook Han , Jong Won Shin

Large Language Models (LLMs) can generate code from natural language, but their performance is highly sensitive to prompt formulation. We propose a reinforcement-learning-based framework that models prompt refinement as a sequential…

Software Engineering · Computer Science 2026-05-20 Ali Mohammadi Esfahani , Nafiseh Kahani , Samuel A. Ajila

Document-level neural machine translation has yielded attractive improvements. However, majority of existing methods roughly use all context sentences in a fixed scope. They neglect the fact that different source sentences need different…

Computation and Language · Computer Science 2020-10-12 Xiaomian Kang , Yang Zhao , Jiajun Zhang , Chengqing Zong

In this paper, we describe in detail the system we submitted to DCASE2019 task 4: sound event detection (SED) in domestic environments. We employ a convolutional neural network (CNN) with an embedding-level attention pooling module to solve…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-16 Liwei Lin , Xiangdong Wang , Hong Liu , Yueliang Qian

Efficiently allocating incoming jobs to nodes in large-scale clusters can lead to substantial improvements in both cluster utilization and job performance. In order to allocate incoming jobs, cluster schedulers usually rely on a set of…

Machine Learning · Computer Science 2026-03-12 Martin Asenov , Qiwen Deng , Gingfung Yeung , Adam Barker

The ranking of sound event detection (SED) systems may be biased by assumptions inherent to evaluation criteria and to the choice of an operating point. This paper compares conventional event-based and segment-based criteria against the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-27 Giacomo Ferroni , Nicolas Turpault , Juan Azcarreta , Francesco Tuveri , Romain Serizel , Çagdaş Bilen , Sacha Krstulović

Reinforcement learning is employed to optimize the periodic forcing signal of a pulsed blowing system that controls flow separation in a fully-turbulent $Re_\theta = 1000$ diffuser flow. Based on the state of the wind tunnel experiment that…

Fluid Dynamics · Physics 2024-12-11 Alexandra Müller , Tobias Schesny , Ben Steinfurth , Julien Weiss

This report proposes a polyphonic sound event detection (SED) method for the DCASE 2020 Challenge Task 4. The proposed SED method is based on semi-supervised learning to deal with the different combination of training datasets such as…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-03 Nam Kyun Kim , Hong Kook Kim

Data-enabled predictive control (DeePC) leverages system measurements in characterizing system dynamics for optimal control. The performance of DeePC relies on optimizing its hyperparameters, especially in noisy systems where the optimal…

Optimization and Control · Mathematics 2025-06-02 Jinbao Wang , Shiliang Zhang , Jun Liu , Xuehui Ma , Haolin Liu

The role of reasoning in Audio Large Language Models remains widely underexplored, as introducing a reasoning process often degrades rather than improves performance during inference, a phenomenon we term test-time inverse scaling, where…

Machine Learning · Computer Science 2025-10-27 Jiajun Fan , Roger Ren , Jingyuan Li , Rahul Pandey , Prashanth Gurunath Shivakumar , Ivan Bulyko , Ankur Gandhe , Ge Liu , Yile Gu

Noise reduction techniques based on deep learning have demonstrated impressive performance in enhancing the overall quality of recorded speech. While these approaches are highly performant, their application in audio engineering can be…

Sound · Computer Science 2023-10-18 Christian J. Steinmetz , Thomas Walther , Joshua D. Reiss

Although the Music Sight Reading process has been studied from the cognitive psychology view points, but the computational learning methods like the Reinforcement Learning have not yet been used to modeling of such processes. In this paper,…

Artificial Intelligence · Computer Science 2013-07-16 Keyvan Yahya , Pouyan Rafiei Fard

Deep learning technology has been widely applied to speech enhancement. While testing the effectiveness of various network structures, researchers are also exploring the improvement of the loss function used in network training. Although…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-25 Tianrui Wang , Weibin Zhu

A reinforcement learning approach to design optimised graded metamaterials for mechanical energy confinement and amplification is described. Through the proximal policy optimisation algorithm, the reinforcement agent is trained to optimally…

Applied Physics · Physics 2023-02-27 Luca Rosafalco , Jacopo Maria De Ponti , Luca Iorio , Raffaele Ardito , Alberto Corigliano

We introduce the framework of performative reinforcement learning where the policy chosen by the learner affects the underlying reward and transition dynamics of the environment. Following the recent literature on performative…

Machine Learning · Computer Science 2023-06-08 Debmalya Mandal , Stelios Triantafyllou , Goran Radanovic

Recent advancements in large language models, multimodal large language models, and large audio language models (LALMs) have significantly improved their reasoning capabilities through reinforcement learning with rule-based rewards.…

Sound · Computer Science 2025-11-05 Shu Wu , Chenxing Li , Wenfu Wang , Hao Zhang , Hualei Wang , Meng Yu , Dong Yu

Score following is the process of tracking a musical performance (audio) with respect to a known symbolic representation (a score). We start this paper by formulating score following as a multimodal Markov Decision Process, the mathematical…

Artificial Intelligence · Computer Science 2018-07-18 Matthias Dorfer , Florian Henkel , Gerhard Widmer
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