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In this paper, we propose a residual echo suppression method using a UNet neural network that directly maps the outputs of a linear acoustic echo canceler to the desired signal in the spectral domain. This system embeds a design parameter…

Sound · Computer Science 2021-06-28 Amir Ivry , Israel Cohen , Baruch Berdugo

Foundation models based on large language models (LLMs) have shown great success in handling various tasks and modalities. However, adapting these models for general-purpose audio-language tasks is challenging due to differences in acoustic…

Artificial Intelligence · Computer Science 2025-05-27 Pooneh Mousavi , Shubham Gupta , Cem Subakan , Mirco Ravanelli

Recent works have shown promising results in connecting speech encoders to large language models (LLMs) for speech recognition. However, several limitations persist, including limited fine-tuning options, a lack of mechanisms to enforce…

Machine Learning · Computer Science 2024-06-26 Van Tung Pham , Yist Lin , Tao Han , Wei Li , Jun Zhang , Lu Lu , Yuxuan Wang

Large language models (LLMs) have demonstrated remarkable performance, yet their diverse strengths and weaknesses prevent any single LLM from achieving dominance across all tasks. Ensembling multiple LLMs is a promising approach to generate…

Computation and Language · Computer Science 2025-03-17 Jiaxin Zhang , Zhuohang Li , Wendi Cui , Kamalika Das , Bradley malin , Sricharan Kumar

We present Unified Microphone Conversion, a unified generative framework designed to bolster sound event classification (SEC) systems against device variability. While our prior CycleGAN-based methods effectively simulate device…

Sound · Computer Science 2025-05-22 Myeonghoon Ryu , Hongseok Oh , Suji Lee , Han Park

Self-supervised speech model is a rapid progressing research topic, and many pre-trained models have been released and used in various down stream tasks. For speech anti-spoofing, most countermeasures (CMs) use signal processing algorithms…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-07 Xin Wang , Junichi Yamagishi

As large language models (LLMs) are increasingly deployed in real-world applications, the need to selectively remove unwanted knowledge while preserving model utility has become paramount. Recent work has explored sparse autoencoders (SAEs)…

Computation and Language · Computer Science 2026-04-28 Tomer Ashuach , Dana Arad , Aaron Mueller , Martin Tutek , Yonatan Belinkov

For speech-related applications in IoT environments, identifying effective methods to handle interference noises and compress the amount of data in transmissions is essential to achieve high-quality services. In this study, we propose a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-08 You-Jin Li , Syu-Siang Wang , Yu Tsao , Borching Su

Many end-to-end Automatic Speech Recognition (ASR) systems still rely on pre-processed frequency-domain features that are handcrafted to emulate the human hearing. Our work is motivated by recent advances in integrated learnable feature…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-19 Ludwig Kürzinger , Nicolas Lindae , Palle Klewitz , Gerhard Rigoll

Sparse Autoencoders (SAEs) have emerged as a powerful unsupervised method for extracting sparse representations from language models, yet scalable training remains a significant challenge. We introduce a suite of 256 SAEs, trained on each…

In this paper, a binaural beamforming algorithm for hearing aid applications is introduced.The beamforming algorithm is designed to be robust to some error in the estimate of the target speaker direction. The algorithm has two main…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-21 Hala As'ad , Martin Bouchard , Homayoun Kamkar-Parsi

In this paper we address the problems of modeling the acoustic space generated by a full-spectrum sound source and of using the learned model for the localization and separation of multiple sources that simultaneously emit sparse-spectrum…

Sound · Computer Science 2015-02-06 Antoine Deleforge , Florence Forbes , Radu Horaud

This paper introduces a novel approach for acoustic scene analysis by exploiting an ensemble of statistics extracted from a sub-band domain multi-hypothesis acoustic echo canceler (SDMH-AEC). A well-designed SDMH-AEC employs multiple…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-27 Benjamin J Southwell , Yin-Lee Ho , David Gunawan

In this paper, we propose a new paradigm to learn audio features for Music Structure Analysis (MSA). We train a deep encoder to learn features such that the Self-Similarity-Matrix (SSM) resulting from those approximates a ground-truth SSM.…

Sound · Computer Science 2022-11-16 Geoffroy Peeters , Florian Angulo

This paper addresses the Longest Filled Common Subsequence (LFCS) problem, a challenging NP-hard problem with applications in bioinformatics, including gene mutation prediction and genomic data reconstruction. Existing approaches, including…

Sound · Computer Science 2026-02-25 Marko Djukanovic , Christian Blum , Aleksandar Kartelj , Ana Nikolikj , Guenther Raidl

The common spatial pattern (CSP) approach is known as one of the most popular spatial filtering techniques for EEG classification in motor imagery (MI) based brain-computer interfaces (BCIs). However, it still suffers some drawbacks such as…

Signal Processing · Electrical Eng. & Systems 2023-03-13 Jinlong Dong , Milana Komosar , Johannes Vorwerk , Daniel Baumgarten , Jens Haueisen

In this paper, we present EH-MAM (Easy-to-Hard adaptive Masked Acoustic Modeling), a novel self-supervised learning approach for speech representation learning. In contrast to the prior methods that use random masking schemes for Masked…

Sound · Computer Science 2024-10-18 Ashish Seth , Ramaneswaran Selvakumar , S Sakshi , Sonal Kumar , Sreyan Ghosh , Dinesh Manocha

Decoding speech from stereo-electroencephalography (sEEG) signals has emerged as a promising direction for brain-computer interfaces (BCIs). Its clinical applicability, however, is limited by the inherent non-stationarity of neural signals,…

Human-Computer Interaction · Computer Science 2025-09-30 Suli Wang , Yang-yang Li , Siqi Cai , Haizhou Li

Acoustic mapping techniques have long been used in spatial audio processing for direction of arrival estimation (DoAE). Traditional beamforming methods for acoustic mapping, while interpretable, often rely on iterative solvers that can be…

Sound · Computer Science 2025-07-10 Adrian S. Roman , Iran R. Roman , Juan P. Bello

The paper explores the problem of \emph{spectral compressed sensing}, which aims to recover a spectrally sparse signal from a small random subset of its $n$ time domain samples. The signal of interest is assumed to be a superposition of $r$…

Information Theory · Computer Science 2015-01-05 Yuxin Chen , Yuejie Chi