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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

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

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

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

The Image Source Method (ISM) is one of the most employed techniques to calculate acoustic Room Impulse Responses (RIRs), however, its computational complexity grows fast with the reverberation time of the room and its computation time can…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-12 David Diaz-Guerra , Antonio Miguel , Jose R. Beltran

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

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

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

Automatic speech recognition (ASR) on multi-talker recordings is challenging. Current methods using 3D spatial data from multi-channel audio and visual cues focus mainly on direct waves from the target speaker, overlooking reflection wave…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Yiwen Shao , Shi-Xiong Zhang , Dong Yu

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

Deep learning approaches have emerged that aim to transform an audio signal so that it sounds as if it was recorded in the same room as a reference recording, with applications both in audio post-production and augmented reality. In this…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-16 Christian J. Steinmetz , Vamsi Krishna Ithapu , Paul Calamia

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

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

We introduce a computationally efficient and tunable feedback delay network (FDN) architecture for real-time room impulse response (RIR) rendering that addresses the computational and latency challenges inherent in traditional convolution…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-02 Armin Gerami , Ramani Duraiswami

Accurate estimation of Room Impulse Response (RIR), which captures an environment's acoustic properties, is important for speech processing and AR/VR applications. We propose AV-RIR, a novel multi-modal multi-task learning approach to…

Sound · Computer Science 2024-04-25 Anton Ratnarajah , Sreyan Ghosh , Sonal Kumar , Purva Chiniya , Dinesh Manocha

Measuring room impulse responses (RIRs) at multiple spatial points is a time-consuming task, while simulations require detailed knowledge of the room's acoustic environment. In prior work, we proposed a method for estimating the early part…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-16 Kathleen MacWilliam , Thomas Dietzen , Toon van Waterschoot

We present a Generative Adversarial Network (GAN) based room impulse response generator (IR-GAN) for generating realistic synthetic room impulse responses (RIRs). IR-GAN extracts acoustic parameters from captured real-world RIRs and uses…

Sound · Computer Science 2021-04-08 Anton Ratnarajah , Zhenyu Tang , Dinesh Manocha

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

The generation of room impulse responses (RIRs) using deep neural networks has attracted growing research interest due to its applications in virtual and augmented reality, audio postproduction, and related fields. Most existing approaches…

Sound · Computer Science 2025-07-17 Silvia Arellano , Chunghsin Yeh , Gautam Bhattacharya , Daniel Arteaga

We propose a novel approach for blind room impulse response (RIR) estimation systems in the context of a downstream application scenario, far-field automatic speech recognition (ASR). We first draw the connection between improved RIR…

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