NONLINEAR ENHANCEMENT OF NOISY SPEECH USING DYNAMIC ATTRACTORS IN NEURAL NETWORKS

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DEHYADEGARI L.; SEYED SALEHI S.A.; NEZHADGHOLI I.

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Paper Information

Journal: THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING Year:2008 | Volume:6 | Issue:1 (A) Page(s): 1-11

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Title

NONLINEAR ENHANCEMENT OF NOISY SPEECH USING DYNAMIC ATTRACTORS IN NEURAL NETWORKS

Author(s)

DEHYADEGARI L. | SEYED SALEHI S.A. | NEZHADGHOLI I. | Issue Writer Certificate

Keywords

ROBUST RECOGNITION OF NOISY SPEECHQ3

RECURRENT NEURAL NETWORKSQ3

NONLINEAR DYNAMICSQ3

CONTINUES ATTRACTORSQ3

STATIONARY NOISEQ3

NONSTATIONARY NOISEQ4

Abstract

In this paper speech denoising and phone recognition of enhanced signal is implemented using CONTINUES ATTRACTORS and the capabilities of nonlinear RECURRENT NEURAL NETWORKS in information retrieval. The recurrent neural network is first trained with clean speech and then is used to phone recognition of noisy speech with both stationary and NONSTATIONARY NOISE. In this work the efficiency of a nonlinear feed forward network is compared to the same one with a recurrent connection in hidden layer. The structure and training of this recurrent connection, is designed in such a way that the network learns to denoise the signal step by step, using properties of attractors it has formed, along with phone recognition. Using these connections, the recognition accuracy is improved 21% for stationary signal and 14% for nonstationary one with 0db SNR.

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مقایسه و ارزیابی کارایی انواع روش های استخراج پارامترهای بازنمایی و هنجارسازی در بازشناسی مستقل از گوینده گفتار

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APA: Copy

DEHYADEGARI, L., SEYED SALEHI, S.A., & NEZHADGHOLI, I.. (2008). NONLINEAR ENHANCEMENT OF NOISY SPEECH USING DYNAMIC ATTRACTORS IN NEURAL NETWORKS. THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING, 6(1 (A)), 1-11. SID. https://sid.ir/paper/70687/en

Vancouver: Copy

DEHYADEGARI L., SEYED SALEHI S.A., NEZHADGHOLI I.. NONLINEAR ENHANCEMENT OF NOISY SPEECH USING DYNAMIC ATTRACTORS IN NEURAL NETWORKS. THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING[Internet]. 2008;6(1 (A)):1-11. Available from: https://sid.ir/paper/70687/en

IEEE: Copy

L. DEHYADEGARI, S.A. SEYED SALEHI, and I. NEZHADGHOLI, “NONLINEAR ENHANCEMENT OF NOISY SPEECH USING DYNAMIC ATTRACTORS IN NEURAL NETWORKS,” THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING, vol. 6, no. 1 (A), pp. 1–11, 2008, [Online]. Available: https://sid.ir/paper/70687/en

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