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We present an efficient and realistic geometric acoustic simulation approach for generating and augmenting training data in speech-related machine learning tasks. Our physically-based acoustic simulation method is capable of modeling…

Sound · Computer Science 2021-09-28 Zhenyu Tang , Lianwu Chen , Bo Wu , Dong Yu , Dinesh Manocha

We propose a spatial diffuseness feature for deep neural network (DNN)-based automatic speech recognition to improve recognition accuracy in reverberant and noisy environments. The feature is computed in real-time from multiple microphone…

Computation and Language · Computer Science 2015-09-02 Andreas Schwarz , Christian Huemmer , Roland Maas , Walter Kellermann

The advance of technology for transmitting Data-over-Sound in various IoT and telecommunication applications has led to the concept of machine-to-machine over-the-air acoustic signalling. Reverberation can have a detrimental effect on such…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-14 Amogh Matt , Dan Stowell

Neural circuits are able to perform computations under very diverse conditions and requirements. The required computations impose clear constraints on their fine-tuning: a rapid and maximally informative response to stimuli in general…

Neurons and Cognition · Quantitative Biology 2019-10-22 Jens Wilting , Jonas Dehning , Joao Pinheiro Neto , Lucas Rudelt , Michael Wibral , Johannes Zierenberg , Viola Priesemann

We propose a novel deep neural network architecture for speech recognition that explicitly employs knowledge of the background environmental noise within a deep neural network acoustic model. A deep neural network is used to predict the…

Computation and Language · Computer Science 2016-10-03 Suyoun Kim , Bhiksha Raj , Ian Lane

This paper introduces a new training strategy to improve speech dereverberation systems using minimal acoustic information and reverberant (wet) speech. Most existing algorithms rely on paired dry/wet data, which is difficult to obtain, or…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-12 Louis Bahrman , Mathieu Fontaine , Gael Richard

In this study, we introduce a method for estimating sound fields in reverberant environments using a conditional invertible neural network (CINN). Sound field reconstruction can be hindered by experimental errors, limited spatial data,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-11 Xenofon Karakonstantis , Efren Fernandez-Grande , Peter Gerstoft

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

The classification of acoustic environments allows for machines to better understand the auditory world around them. The use of deep learning in order to teach machines to discriminate between different rooms is a new area of research.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-07 Constantinos Papayiannis , Christine Evers , Patrick A. Naylor

This paper proposes a deep speech enhancement method which exploits the high potential of residual connections in a wide neural network architecture, a topology known as Wide Residual Network. This is supported on single dimensional…

Sound · Computer Science 2019-01-04 Dayana Ribas , Jorge Llombart , Antonio Miguel , Luis Vicente

We present a method for blind acoustic parameter estimation from single-channel reverberant speech. The method is structured into three stages. In the first stage, a variational auto-encoder is trained to extract latent representations of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-30 Philipp Götz , Cagdas Tuna , Andreas Brendel , Andreas Walther , Emanuël A. P. Habets

Robustness to environmental noise is important to creating automatic speech emotion recognition systems that are deployable in the real world. Prior work on noise robustness has assumed that systems would not make use of sample-by-sample…

Sound · Computer Science 2020-10-23 Alex Wilf , Emily Mower Provost

Localizing a moving sound source in the real world involves determining its direction-of-arrival (DOA) and distance relative to a microphone. Advancements in DOA estimation have been facilitated by data-driven methods optimized with large…

Sound · Computer Science 2023-09-19 Saksham Singh Kushwaha , Iran R. Roman , Magdalena Fuentes , Juan Pablo Bello

Wireless communications systems are impacted by multi-path fading and Doppler shift in dynamic environments, where the channel becomes doubly-dispersive and its estimation becomes an arduous task. Only a few pilots are used for channel…

Information Theory · Computer Science 2022-06-07 Abdul Karim Gizzini , Marwa Chafii

Automatic speech recognition in reverberant conditions is a challenging task as the long-term envelopes of the reverberant speech are temporally smeared. In this paper, we propose a neural model for enhancement of sub-band temporal…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-11 Anurenjan Purushothaman , Anirudh Sreeram , Rohit Kumar , Sriram Ganapathy

Reverberation not only degrades the quality of speech for human perception, but also severely impacts the accuracy of automatic speech recognition. Prior work attempts to remove reverberation based on the audio modality only. Our idea is to…

Sound · Computer Science 2023-03-15 Changan Chen , Wei Sun , David Harwath , Kristen Grauman

This study addresses the task of performing robust and reliable time-delay estimation in signals in noisy and reverberating environments. In contrast to the popular signal processing based methods, this paper proposes to transform the input…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-03 Akshay Raina , Vipul Arora

Key challenges in developing underwater acoustic localization methods are related to the combined effects of high reverberation in intricate environments. To address such challenges, recent studies have shown that with a properly designed…

Signal Processing · Electrical Eng. & Systems 2023-05-30 Amir Weiss , Andrew C. Singer , Gregory W. Wornell

Despite the remarkable progress recently made in distant speech recognition, state-of-the-art technology still suffers from a lack of robustness, especially when adverse acoustic conditions characterized by non-stationary noises and…

Computation and Language · Computer Science 2017-03-24 Mirco Ravanelli , Philemon Brakel , Maurizio Omologo , Yoshua Bengio

We present a single channel data driven method for non-intrusive estimation of full-band reverberation time and full-band direct-to-reverberant ratio. The method extracts a number of features from reverberant speech and builds a model using…

Sound · Computer Science 2015-10-16 Pablo Peso Parada , Dushyant Sharma , Toon van Waterschoot , Patrick A. Naylor