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International Journal of Image, Graphics and Signal Processing(IJIGSP)

ISSN: 2074-9074 (Print), ISSN: 2074-9082 (Online)

Published By: MECS Press

IJIGSP Vol.12, No.2, Apr. 2020

Emotion Recognition System of Noisy Speech in Real World Environment

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Author(s)

Htwe Pa Pa Win, Phyo Thu Thu Khine

Index Terms

IEMOCAP;MFCC;MMSE;Noisy Signal;SNR;Speech

Abstract

Speech is one of the most natural and fundamental means of human computer interaction and the state of human emotion is important in various domains. The recognition of human emotion is become essential in real world application, but speed signal is interrupted with various noises from the real world environments and the recognition performance is reduced by these additional signals of noise and emotion. Therefore this paper focuses to develop emotion recognition system for the noisy signal in the real world environment. Minimum Mean Square Error, MMSE is used as the enhancement technique, Mel-frequency Cepstrum Coefficients (MFCC) features are extracted from the speech signals and the state of the arts classifiers used to recognize the emotional state of the signals. To show the robustness of the proposed system, the experimental results are carried out by using the standard speech emotion database, IEMOCAP, under various SNRs level from 0db to 15db of real world background noise. The results are evaluated for seven emotions and the comparisons are prepared and discussed for various classifiers and for various emotions. The results indicate which classifier is the best for which emotion to facilitate in real world environment, especially in noisiest condition like in sport event.

Cite This Paper

Htwe Pa Pa Win, Phyo Thu Thu Khine, " Emotion Recognition System of Noisy Speech in Real World Environment", International Journal of Image, Graphics and Signal Processing(IJIGSP), Vol.12, No.2, pp. 1-8, 2020.DOI: 10.5815/ijigsp.2020.02.01

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