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We present a novel approach to improve the performance of learning-based speech dereverberation using accurate synthetic datasets. Our approach is designed to recover the reverb-free signal from a reverberant speech signal. We show that…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-13 Rohith Aralikatti , Zhenyu Tang , Dinesh Manocha

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

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

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

A room's acoustic properties are a product of the room's geometry, the objects within the room, and their specific positions. A room's acoustic properties can be characterized by its impulse response (RIR) between a source and listener…

Sound · Computer Science 2024-01-17 Mason Wang , Samuel Clarke , Jui-Hsien Wang , Ruohan Gao , Jiajun Wu

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

The ASVspoof 2021 benchmark, a widely-used evaluation framework for anti-spoofing, consists of two subsets: Logical Access (LA) and Deepfake (DF), featuring samples with varied coding characteristics and compression artifacts. Notably, the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-24 Hieu-Thi Luong , Duc-Tuan Truong , Kong Aik Lee , Eng Siong Chng

This paper presents dEchorate: a new database of measured multichannel Room Impulse Responses (RIRs) including annotations of early echo timings and 3D positions of microphones, real sources and image sources under different wall…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-28 Diego Di Carlo , Pinchas Tandeitnik , Cédric Foy , Antoine Deleforge , Nancy Bertin , Sharon Gannot

We introduce Whisper-RIR-Mega, a benchmark dataset of paired clean and reverberant speech for evaluating automatic speech recognition (ASR) robustness to room acoustics. Each sample pairs a clean LibriSpeech utterance with the same…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-17 Mandip Goswami

This contribution introduces a dataset of 7th-order Ambisonic Room Impulse Responses (HOA-RIRs), created using the Image Source Method. By employing higher-order Ambisonics, our dataset enables precise spatial audio reproduction, a critical…

Sound · Computer Science 2025-06-02 Shivam Saini , Jürgen Peissig

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

We introduce a database of multi-channel recordings performed in an acoustic lab with adjustable reverberation time. The recordings provide information about room impulse responses (RIR) for various positions of a loudspeaker. In…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-30 Jaroslav Čmejla , Tomáš Kounovský , Sharon Gannot , Zbyněk Koldovský , Pinchas Tandeitnik

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

Audio adversarial examples are audio files that have been manipulated to fool an automatic speech recognition (ASR) system, while still sounding benign to a human listener. Most methods to generate such samples are based on a two-step…

Sound · Computer Science 2023-10-06 Armin Ettenhofer , Jan-Philipp Schulze , Karla Pizzi

We investigate the impact of more realistic room simulation for training far-field keyword spotting systems without fine-tuning on in-domain data. To this end, we study the impact of incorporating the following factors in the room impulse…

Sound · Computer Science 2020-11-19 Eric Bezzam , Robin Scheibler , Cyril Cadoux , Thibault Gisselbrecht

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

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

We address the problem of estimating room impulse responses (RIRs) in noisy, uncontrolled environments where non-stationary sounds such as speech or footsteps corrupt conventional deconvolution. We propose AnyRIR, a non-intrusive method…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Kyung Yun Lee , Nils Meyer-Kahlen , Karolina Prawda , Vesa Välimäki , Sebastian J. Schlecht

Room acoustics analysis plays a central role in architectural design, audio engineering, speech intelligibility assessment, and hearing research. Despite the availability of standardized metrics such as reverberation time, clarity, and…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-16 Mandip Goswami

The Room Acoustics and Speaker Distance Estimation (SDE) Challenge at ICASSP 2025 explores the effectiveness of augmented room impulse response (RIR) data for improving SDE model performance. This challenge at GenDARA involves generating…

Sound · Computer Science 2026-05-04 Anton Ratnarajah , Mehmet Ergezer , Arun Nair , Mrudula Athi