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Strategies for distant speech recognitionin reverberant environments

Delcroix, Marc ; Yoshioka, Takuya ; Ogawa, Atsunori ; Kubo, Yotaro ; Fujimoto, Masakiyo ; Ito, Nobutaka ; Kinoshita, Keisuke ; Espi, Miquel ; Araki, Shoko ; Hori, Takaaki ; Nakatani, Tomohiro

EURASIP journal on advances in signal processing, 2015-07, Vol.2015 (1), p.1-15, Article 60 [Periódico revisado por pares]

Cham: Springer International Publishing

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Título:
Strategies for distant speech recognitionin reverberant environments
Autor: Delcroix, Marc ; Yoshioka, Takuya ; Ogawa, Atsunori ; Kubo, Yotaro ; Fujimoto, Masakiyo ; Ito, Nobutaka ; Kinoshita, Keisuke ; Espi, Miquel ; Araki, Shoko ; Hori, Takaaki ; Nakatani, Tomohiro
Assuntos: Acoustic noise ; Engineering ; Mathematical models ; Neural networks ; Quantum Information Technology ; Signal,Image and Speech Processing ; Speech ; Speech processing ; Speech recognition ; Spintronics ; Strategy ; Tasks ; ‘Silencing the Echoes’ – Processing of Reverberant Speech
É parte de: EURASIP journal on advances in signal processing, 2015-07, Vol.2015 (1), p.1-15, Article 60
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SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Reverberation and noise are known to severely affect the automatic speech recognition (ASR) performance of speech recorded by distant microphones. Therefore, we must deal with reverberation if we are to realize high-performance hands-free speech recognition. In this paper, we review a recognition system that we developed at our laboratory to deal with reverberant speech. The system consists of a speech enhancement (SE) front-end that employs long-term linear prediction-based dereverberation followed by noise reduction. We combine our SE front-end with an ASR back-end that uses neural networks for acoustic and language modeling. The proposed system achieved top scores on the ASR task of the REVERB challenge. This paper describes the different technologies used in our system and presents detailed experimental results that justify our implementation choices and may provide hints for designing distant ASR systems.
Editor: Cham: Springer International Publishing
Idioma: Inglês

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Strategies for distant speech recognitionin reverberant environments

Delcroix, Marc ; Yoshioka, Takuya ; Ogawa, Atsunori ; Kubo, Yotaro ; Fujimoto, Masakiyo ; Ito, Nobutaka ; Kinoshita, Keisuke ; Espi, Miquel ; Araki, Shoko ; Hori, Takaaki ; Nakatani, Tomohiro

Cham: Springer International Publishing

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