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The training of modern speech processing systems often requires a large amount of simulated room impulse response (RIR) data in order to allow the systems to generalize well in real-world, reverberant environments. However, simulating…

Audio and Speech Processing · Electrical Eng. & Systems 2022-08-09 Yi Luo , Jianwei Yu

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

We present a neural-network-based fast diffuse room impulse response generator (FAST-RIR) for generating room impulse responses (RIRs) for a given acoustic environment. Our FAST-RIR takes rectangular room dimensions, listener and speaker…

Sound · Computer Science 2022-02-08 Anton Ratnarajah , Shi-Xiong Zhang , Meng Yu , Zhenyu Tang , Dinesh Manocha , Dong Yu

Accurate and efficient simulation of room impulse responses is crucial for spatial audio applications. However, existing acoustic ray-tracing tools often operate as black boxes and only output impulse responses (IRs), providing limited…

Sound · Computer Science 2025-03-25 Yongyi Zang , Qiuqiang Kong

Room impulse responses (RIRs) are fundamental to audio data augmentation, acoustic signal processing, and immersive audio rendering. While geometric simulators such as the image source method (ISM) can efficiently generate early…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-17 Zeyu Xu , Andreas Brendel , Albert G. Prinn , Emanuël A. P. Habets

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 image source method (ISM) is often used to simulate room acoustics due to its ease of use and computational efficiency. The standard ISM is limited to simulations of room impulse responses between point sources and omnidirectional…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-08 Zeyu Xu , Adrian Herzog , Alexander Lodermeyer , Emanuël A. P. Habets , Albert G. Prinn

Room Impulse Responses (RIRs) characterize acoustic environments and are crucial in multiple audio signal processing tasks. High-quality RIR estimates drive applications such as virtual microphones, sound source localization, augmented…

Sound · Computer Science 2025-04-30 Sagi Della Torre , Mirco Pezzoli , Fabio Antonacci , Sharon Gannot

In real-world acoustic scenarios, there often are multiple sound sources present in a room. These sources are situated in various locations and produce sounds that reach the listener from multiple directions. The presence of multiple…

Sound · Computer Science 2023-05-26 Kyungyun Lee , Jeonghun Seo , Keunwoo Choi , Sangmoon Lee , Ben Sangbae Chon

In this paper we introduce StoRIR - a stochastic room impulse response generation method dedicated to audio data augmentation in machine learning applications. This technique, in contrary to geometrical methods like image-source or ray…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Piotr Masztalski , Mateusz Matuszewski , Karol Piaskowski , Michał Romaniuk

In this paper, we describe how to efficiently implement an acoustic room simulator to generate large-scale simulated data for training deep neural networks. Even though Google Room Simulator in [1] was shown to be quite effective in…

Sound · Computer Science 2019-01-03 Chanwoo Kim , Ehsan Variani , Arun Narayanan , Michiel Bacchiani

We present a novel approach that improves the performance of reverberant speech separation. Our approach is based on an accurate geometric acoustic simulator (GAS) which generates realistic room impulse responses (RIRs) by modeling both…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-21 Rohith Aralikatti , Anton Ratnarajah , Zhenyu Tang , Dinesh Manocha

Room impulse response (RIR) generation remains a critical challenge for creating immersive virtual acoustic environments. Current methods suffer from two fundamental limitations: the scarcity of full-band RIR datasets and the inability of…

Sound · Computer Science 2025-10-30 Ali Vosoughi , Yongyi Zang , Qihui Yang , Nathan Paek , Randal Leistikow , Chenliang Xu

In mixed reality applications, a realistic acoustic experience in spatial environments is as crucial as the visual experience for achieving true immersion. Despite recent advances in neural approaches for Room Impulse Response (RIR)…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Xiulong Liu , Anurag Kumar , Paul Calamia , Sebastia V. Amengual , Calvin Murdock , Ishwarya Ananthabhotla , Philip Robinson , Eli Shlizerman , Vamsi Krishna Ithapu , Ruohan Gao

Sound propagation is the process by which sound energy travels through a medium, such as air, to the surrounding environment as sound waves. The room impulse response (RIR) describes this process and is influenced by the positions of the…

Sound · Computer Science 2024-09-25 Anton Jeran Ratnarajah

We present an algorithm that fully reverses the shoebox image source method (ISM), a popular and widely used room impulse response (RIR) simulator for cuboid rooms introduced by Allen and Berkley in 1979. More precisely, given a discrete…

Sound · Computer Science 2025-03-11 Tom Sprunck , Antoine Deleforge , Yannick Privat , Cédric Foy

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

Processing-in-memory (PIM) has shown extraordinary potential in accelerating neural networks. To evaluate the performance of PIM accelerators, we present an ISA-based simulation framework including a dedicated ISA targeting neural networks…

Hardware Architecture · Computer Science 2024-02-29 Xinyu Wang , Xiaotian Sun , Yinhe Han , Xiaoming Chen

Measuring the acoustic characteristics of a space is often done by capturing its impulse response (IR), a representation of how a full-range stimulus sound excites it. This work generates an IR from a single image, which can then be applied…

Sound · Computer Science 2021-08-17 Nikhil Singh , Jeff Mentch , Jerry Ng , Matthew Beveridge , Iddo Drori

We propose a mesh-based neural network (MESH2IR) to generate acoustic impulse responses (IRs) for indoor 3D scenes represented using a mesh. The IRs are used to create a high-quality sound experience in interactive applications and audio…

Sound · Computer Science 2022-07-13 Anton Ratnarajah , Zhenyu Tang , Rohith Chandrashekar Aralikatti , Dinesh Manocha
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