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Related papers: Room Impulse Response Estimation through Optimal M…

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Room Impulse Responses (RIRs) enable realistic acoustic simulation, with applications ranging from multimedia production to speech data augmentation. However, acquiring high-quality real-world RIRs is labor-intensive, and data scarcity…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-14 Kirak Kim , Sungyoung Kim

The speech transmission index (STI) and room acoustic parameters (RAPs), which are derived from a room impulse response (RIR), such as reverberation time and early decay time, are essential to assess speech transmission and to predict the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-27 Lijun Wang , Suradej Duangpummet , Masashi Unoki

Prediction of room impulse responses (RIRs) is essential for room acoustics, spatial audio, and immersive applications, yet conventional simulations and measurements remain computationally expensive and time-consuming. This work proposes a…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-30 Imran Muhammad , Gerald Schuller

We present a method for improving the quality of synthetic room impulse responses for far-field speech recognition. We bridge the gap between the fidelity of synthetic room impulse responses (RIRs) and the real room impulse responses using…

Sound · Computer Science 2021-11-15 Anton Ratnarajah , Zhenyu Tang , Dinesh Manocha

Given a collection of probability measures, a practitioner sometimes needs to find an "average" distribution which adequately aggregates reference distributions. A theoretically appealing notion of such an average is the Wasserstein…

A new impulse response (IR) dataset called "MeshRIR" is introduced. Currently available datasets usually include IRs at an array of microphones from several source positions under various room conditions, which are basically designed for…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-26 Shoichi Koyama , Tomoya Nishida , Keisuke Kimura , Takumi Abe , Natsuki Ueno , Jesper Brunnström

As intelligent reflecting surface (IRS) has emerged as a new and promising technology capable of configuring the wireless environment favorably, channel estimation for IRS-assisted multiple-input multiple-output (MIMO) systems has garnered…

Information Theory · Computer Science 2025-12-22 Zhen Qin , Zhihui Zhu

In this paper, we present HOMULA-RIR, a dataset of room impulse responses (RIRs) acquired using both higher-order microphones (HOMs) and a uniform linear array (ULA), in order to model a remote attendance teleconferencing scenario.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-22 Federico Miotello , Paolo Ostan , Mirco Pezzoli , Luca Comanducci , Alberto Bernardini , Fabio Antonacci , Augusto Sarti

Acoustical behavior of a room for a given position of microphone and sound source is usually described using the room impulse response. If we rely on the standard uniform sampling, the estimation of room impulse response for arbitrary…

Audio and Speech Processing · Electrical Eng. & Systems 2018-02-19 Helena Peić Tukuljac , Thach Pham Vu , Hervé Lissek , Pierre Vandergheynst

Ensuring performance robustness for a variety of situations that can occur in real-world environments is one of the challenging tasks in sound event classification. One of the unpredictable and detrimental factors in performance, especially…

Sound · Computer Science 2021-04-22 Jaejun Lee , Donmoon Lee , Hyeong-Seok Choi , Kyogu Lee

Rendering immersive spatial audio in virtual reality (VR) and video games demands a fast and accurate generation of room impulse responses (RIRs) to recreate auditory environments plausibly. However, the conventional methods for simulating…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-11 Jackie Lin , Georg Götz , Sebastian J. Schlecht

As a generalization of the optimal mass transport (OMT) approach of Benamou and Brenier's, the regularized optimal mass transport (rOMT) formulates a transport problem from an initial mass configuration to another with the optimality…

Numerical Analysis · Mathematics 2023-09-22 Xinan Chen , Helene Benveniste , Allen R. Tannenbaum

Modern neural-network-based speech processing systems are typically required to be robust against reverberation, and the training of such systems thus needs a large amount of reverberant data. During the training of the systems, on-the-fly…

Sound · Computer Science 2023-04-18 Yi Luo , Rongzhi Gu

Conventional multiple-input multiple-out (MIMO) technologies have encountered bottlenecks of significantly increasing spectrum efficiencies of wireless communications due to the low degrees of freedom in practical line-of-sight scenarios…

Signal Processing · Electrical Eng. & Systems 2024-08-05 Jun Lan , Liping Liang , Wenchi Cheng , Wei Zhang

Computationally solving multi-marginal optimal transport (MOT) with squared Euclidean costs for $N$ discrete probability measures has recently attracted considerable attention, in part because of the correspondence of its solutions with…

Numerical Analysis · Mathematics 2022-02-03 Johannes von Lindheim

This paper introduces a shoebox room simulator able to systematically generate synthetic datasets of binaural room impulse responses (BRIRs) given an arbitrary set of head-related transfer functions (HRTFs). The evaluation of machine…

Sound · Computer Science 2021-06-25 Roberto Barumerli , Daniele Bianchi , Michele Geronazzo , Federico Avanzini

Data-driven acoustic echo cancellation (AEC) methods, predominantly trained on synthetic or constrained real-world datasets, encounter performance declines in unseen echo scenarios, especially in real environments where echo paths are not…

Sound · Computer Science 2025-06-09 Fei Zhao , Shulin He , Xueliang Zhang

Achieving high resolution time-of-arrival (TOA) estimation in multipath propagation scenarios from bandlimited observations of communication signals is challenging because the multipath channel impulse response (CIR) is not bandlimited.…

Signal Processing · Electrical Eng. & Systems 2019-04-19 Tarik Kazaz , Raj Thilak Rajan , Gerard J. M. Janssen , Alle-Jan van der Veen

Room impulse responses are a core resource for dereverberation, robust speech recognition, source localization, and room acoustics estimation. We present RIR-Mega, a large collection of simulated RIRs described by a compact, machine…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-29 Mandip Goswami

The room impulse response (RIR) encodes, among others, information about the distance of an acoustic source from the sensors. Deep neural networks (DNNs) have been shown to be able to extract that information for acoustic distance…

Sound · Computer Science 2024-08-27 Tobias Gburrek , Adrian Meise , Joerg Schmalenstroeer , Reinhold Haeb-Umbach