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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…

While much of modern speech and audio processing relies on deep neural networks trained using fixed audio representations, recent studies suggest great potential in acoustic frontends learnt jointly with a backend. In this study, we focus…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-21 Mark Anderson , Tomi Kinnunen , Naomi Harte

Understanding how deep neural networks learn useful internal representations from data remains a central open problem in the theory of deep learning. We introduce Neural Low-Degree Filtering (Neural LoFi), a stylized limit of gradient-based…

Machine Learning · Computer Science 2026-05-14 Yatin Dandi , Matteo Vilucchio , Luca Arnaboldi , Hugo Tabanelli , Florent Krzakala

Speech separation models are used for isolating individual speakers in many speech processing applications. Deep learning models have been shown to lead to state-of-the-art (SOTA) results on a number of speech separation benchmarks. One…

Sound · Computer Science 2023-03-13 William Ravenscroft , Stefan Goetze , Thomas Hain

Deep neural networks are inherently opaque and challenging to interpret. Unlike hand-crafted feature-based models, we struggle to comprehend the concepts learned and how they interact within these models. This understanding is crucial not…

Computation and Language · Computer Science 2023-07-12 Shammur Absar Chowdhury , Nadir Durrani , Ahmed Ali

This study investigates discriminative patterns learned by neural networks for accurate speech classification, with a specific focus on vowel classification tasks. By examining the activations and features of neural networks for vowel…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-25 Jesin James , Balamurali B. T. , Binu Abeysinghe , Junchen Liu

Personalized binaural audio reproduction is the basis of realistic spatial localization, sound externalization, and immersive listening, directly shaping user experience and listening effort. This survey reviews recent advances in deep…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-03 Xikun Lu , Yunda Chen , Zehua Chen , Jie Wang , Mingxing Liu , Hongmei Hu , Chengshi Zheng , Stefan Bleeck , Jinqiu Sang

Recent studies have shown that deep neural networks (DNNs) perform significantly better than shallow networks and Gaussian mixture models (GMMs) on large vocabulary speech recognition tasks. In this paper, we argue that the improved…

Machine Learning · Computer Science 2018-12-06 Dong Yu , Michael L. Seltzer , Jinyu Li , Jui-Ting Huang , Frank Seide

Deep neural networks (DNNs) have achieved substantial predictive performance in various speech processing tasks. Particularly, it has been shown that a monaural speech separation task can be successfully solved with a DNN-based method…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-20 Chihiro Watanabe , Hirokazu Kameoka

Reliably monitoring and recognizing maritime vessels based on acoustic signatures is complicated by the variability of different recording scenarios. A robust classification framework must be able to generalize across diverse acoustic…

Sound · Computer Science 2025-06-02 Jonas Elsborg , Tejs Vegge , Arghya Bhowmik

Deep neural networks have shown promise for music audio signal processing applications, often surpassing prior approaches, particularly as end-to-end models in the waveform domain. Yet results to date have tended to be constrained by low…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-11 William Mitchell , Scott H. Hawley

This study explores the temporal dynamics of language processing by examining the alignment between word representations from a pre-trained transformer-based language model, and EEG data. Using a Temporal Response Function (TRF) model, we…

Computation and Language · Computer Science 2024-08-01 Davide Turco , Conor Houghton

In this work, we propose a deep beamforming framework for speech enhancement in dynamic acoustic environments. The framework learns time-varying beamformer weights from noisy multichannel signals via a deep neural network, guided by a…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-18 Ilai Zaidel , Sharon Gannot

Deep learning has dramatically improved the performance of speech recognition systems through learning hierarchies of features optimized for the task at hand. However, true end-to-end learning, where features are learned directly from…

Computation and Language · Computer Science 2016-04-06 Zhenyao Zhu , Jesse H. Engel , Awni Hannun

We derive an estimator of the spectral density of a functional time series that is the output of a multilayer perceptron neural network. The estimator is motivated by difficulties with the computation of existing spectral density estimators…

Methodology · Statistics 2026-01-05 Neda Mohammadi , Soham Sarkar , Piotr Kokoszka

In this article, we propose the optimization of the resolution of time-frequency atoms and the regularization of fitting models to obtain better representations of heart sound signals. This is done by evaluating the classification…

Sound · Computer Science 2026-04-15 Mahmoud Fakhry , Ascensión Gallardo-Antolín

The uninformative ordering of artificial neurons in Deep Neural Networks complicates visualizing activations in deeper layers. This is one reason why the internal structure of such models is very unintuitive. In neuroscience, activity of…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-10 Andreas Krug , Sebastian Stober

Automatic speech recognition in reverberant conditions is a challenging task as the long-term envelopes of the reverberant speech are temporally smeared. In this paper, we propose a neural model for enhancement of sub-band temporal…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-11 Anurenjan Purushothaman , Anirudh Sreeram , Rohit Kumar , Sriram Ganapathy

We propose a learnable content adaptive front end for audio signal processing. Before the modern advent of deep learning, we used fixed representation non-learnable front-ends like spectrogram or mel-spectrogram with/without neural…

Sound · Computer Science 2024-12-24 Prateek Verma , Chris Chafe

Functional magnetic resonance imaging produces high dimensional data, with a less then ideal number of labelled samples for brain decoding tasks (predicting brain states). In this study, we propose a new deep temporal convolutional neural…

Machine Learning · Computer Science 2015-01-13 Orhan Firat , Emre Aksan , Ilke Oztekin , Fatos T. Yarman Vural