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A method for estimation of direct-to-reverberant ratio (DRR) using a microphone array is proposed. The proposed method estimates the power spectral density (PSD) of the direct sound and the reverberation using the algorithm \textit{PSD…

Sound · Computer Science 2015-11-02 Yusuke Hioka , Kenta Niwa

Direct-to-Reverberant Ratio (DRR) is an important measure for characterizing the properties of a room. The recently proposed DRR Estimation using a Null-Steered Beamformer (DENBE) algorithm was originally tested on simulated data where…

Sound · Computer Science 2015-10-27 James Eaton , Patrick A. Naylor

Blind estimation of acoustic room parameters such as the reverberation time $T_\mathrm{60}$ and the direct-to-reverberation ratio ($\mathrm{DRR}$) is still a challenging task, especially in case of blind estimation from reverberant speech…

Sound · Computer Science 2015-10-16 Feifei Xiong , Stefan Goetze , Bernd T. Meyer

Several established parameters and metrics have been used to characterize the acoustics of a room. The most important are the Direct-To-Reverberant Ratio (DRR), the Reverberation Time (T60) and the reflection coefficient. The acoustic…

Sound · Computer Science 2015-10-05 James Eaton , Nikolay D. Gaubitch , Alastair H. Moore , Patrick A. Naylor

The reverberation time (T60) and the direct-to-reverberant ratio (DRR) are commonly used to characterize room acoustic environments. Both parameters can be measured from an acoustic impulse response (AIR) or using blind estimation methods…

Sound · Computer Science 2019-10-23 Nicholas J. Bryan

Reverberation is present in our workplaces, our homes, concert halls and theatres. This paper investigates how deep learning can use the effect of reverberation on speech to classify a recording in terms of the room in which it was…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-03 Constantinos Papayiannis , Christine Evers , Patrick A. Naylor

Reverberation Time (T60) is an important measure for characterizing the properties of a room. The author's T60 estimation algorithm was previously tested on simulated data where the noise is artificially added to the speech after…

Sound · Computer Science 2015-10-06 James Eaton , Patrick A. Naylor

Reverberation, especially in large rooms, severely degrades speech recognition performance and speech intelligibility. Since direct measurement of room characteristics is usually not possible, blind estimation of reverberation-related…

Sound · Computer Science 2015-10-19 M. Senoussaoui , J. F. Santos , T. H. Falk

Acoustic environment characterization opens doors for sound reproduction innovations, smart EQing, speech enhancement, hearing aids, and forensics. Reverberation time, clarity, and direct-to-reverberant ratio are acoustic parameters that…

Sound · Computer Science 2020-10-22 Paul Callens , Milos Cernak

This paper proposes a practical approach to estimate the direct-to-reverberant energy ratio (DRR) using a spherical microphone array without having knowledge of the source signal. We base our estimation on a theoretical relationship between…

Sound · Computer Science 2015-11-02 Hanchi Chen , Prasanga N. Samarasinghe , Thushara D. Abhayapala , Wen Zhang

The estimation of reverberation time from real-world signals plays a central role in a wide range of applications. In many scenarios, acoustic conditions change over time which in turn requires the estimate to be updated continuously.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-11 Philipp Götz , Cagdas Tuna , Andreas Walther , Emanuël A. P. Habets

The estimation of the time- and frequency-dependent coherent-to-diffuse power ratio (CDR) from the measured spatial coherence between two omnidirectional microphones is investigated. Known CDR estimators are formulated in a common…

Sound · Computer Science 2015-04-01 Andreas Schwarz , Walter Kellermann

Single-channel speaker distance estimation has recently achieved centimeter-level accuracy in simulated environments, yet it remains unclear which components of the room impulse response (RIR) the model exploits and how performance depends…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-11 Michael Neri , Archontis Politis , Tuomas Virtanen

Distant speech recognition is a challenge, particularly due to the corruption of speech signals by reverberation caused by large distances between the speaker and microphone. In order to cope with a wide range of reverberations in…

Computation and Language · Computer Science 2016-08-18 Jeehye Lee , Myungin Lee , Joon-Hyuk Chang

This article addresses the modeling of reverberant recording environments in the context of under-determined convolutive blind source separation. We model the contribution of each source to all mixture channels in the time-frequency domain…

Machine Learning · Statistics 2009-12-14 Ngoc Duong , Emmanuel Vincent , Remi Gribonval

This paper proposes a new method that fuses acoustic measurements in the reverberation field and low-accuracy inertial measurement unit (IMU) motion reports for simultaneous localization and mapping (SLAM). Different from existing studies…

Robotics · Computer Science 2023-01-03 Wenhao Qiu , Gang Wang , Wenjing Zhang

We propose a novel method for generating scene-aware training data for far-field automatic speech recognition. We use a deep learning-based estimator to non-intrusively compute the sub-band reverberation time of an environment from its…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-23 Zhenyu Tang , Dinesh Manocha

This paper focuses on room fingerprinting, a task involving the analysis of an audio recording to determine the specific volume and shape of the room in which it was captured. While it is relatively straightforward to determine the basic…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-06 Jacob Bitterman , Daniel Levi , Hilel Hagai Diamandi , Sharon Gannot , Tal Rosenwein

For 6-DOF (degrees of freedom) interactive virtual acoustic environments (VAEs), the spatial rendering of diffuse late reverberation in addition to early (specular) reflections is important. In the interest of computational efficiency, the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-30 Christoph Kirsch , Josef Poppitz , Torben Wendt , Steven van de Par , Stephan D. Ewert

This paper presents an unsupervised method for single-channel blind dereverberation and room impulse response (RIR) estimation, called BUDDy. The algorithm is rooted in Bayesian posterior sampling: it combines a likelihood model enforcing…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-26 Jean-Marie Lemercier , Eloi Moliner , Simon Welker , Vesa Välimäki , Timo Gerkmann
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