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Appears in Collections:Computing Science and Mathematics Journal Articles
Peer Review Status: Refereed
Title: CochleaNet: A Robust Language-independent Audio-Visual Model for Speech Enhancement
Author(s): Gogate, Mandar
Dashtipour, Kia
Adeel, Ahsan
Hussain, Amir
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Keywords: Audio-Visual
Speech Enhancement
Speech SeparationDeep Learning
Real Noisy Audio-Visual Corpus
Speaker Independent
Issue Date: Nov-2020
Citation: Gogate M, Dashtipour K, Adeel A & Hussain A (2020) CochleaNet: A Robust Language-independent Audio-Visual Model for Speech Enhancement. Information Fusion, 63, pp. 273-285.
Abstract: Noisy situations cause huge problems for suffers of hearing loss as hearing aids often make speech more audible but do not always restore the intelligibility. In noisy settings, humans routinely exploit the audio-visual (AV) nature of speech to selectively suppress the background noise and focus on the target speaker. In this paper, we present a language, noise and speaker independent AV deep neural network (DNN) architecture for causal or real-time speech enhancement (SE). The model jointly exploits the noisy acoustic cues and noise robust visual cues to focus on the desired speaker and improve speech intelligibility. The proposed SE framework is evaluated using a first of its kind AV binaural speech corpus, called ASPIRE, recorded in real noisy environments including cafeteria and restaurant. We demonstrate superior performance of our approach in terms of objective measures and subjective listening tests over the state-of-the-art SE approaches as well as recent DNN based SE models. In addition, our work challenges a popular belief that, scarcity of multi-language large vocabulary AV corpus and a wide variety of noises is a major bottleneck to build a robust language, speaker and noise independent SE systems. We show that a model trained on synthetic mixture of Grid corpus (with 33 speakers and a small English vocabulary) and ChiME 3 Noises (consisting of bus, pedestrian, cafeteria, and street noises) generalise well not only on large vocabulary corpora, wide variety of speakers/noises but also on completely unrelated language (such as Mandarin).
DOI Link: 10.1016/j.inffus.2020.04.001
Rights: This item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. Accepted refereed manuscript of: Gogate M, Dashtipour K, Adeel A & Hussain A (2020) CochleaNet: A Robust Language-independent Audio-Visual Model for Speech Enhancement. Information Fusion, 63, pp. 273-285. © 2020, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
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