NDLI: Urdu Spoken Digits Recognition Using Classified MFCC and Backpropgation Neural Network

Content Provider	IEEE Xplore Digital Library
Author	Azam, S.M. Mansoor, Z.A. Mughal, M.S. Mohsin, S.
Copyright Year	2007
Description	Author affiliation: Inst. of Inf. Technol., COMSATS, Abbottabad (Azam, S.M.; Mansoor, Z.A.; Mughal, M.S.; Mohsin, S.)
Abstract	Neural networks have found profound success in the area of pattern recognition. In the recent years there has been use of neural network for speech recognition. In this paper backpropagation neural network has been used for isolated spoken Urdu digits recognition. Mel frequency cepstral coefficients (MFCC) has been used to represent speech signal. Dimensions of speech features were reduced to a vector of 39 values. Only 39 values from MFCC features speech are fed to the neural network having more than one hidden layers with varying number of neurons, for training and recognition An analysis has been made between different number of hidden layers and different number of neurons on hidden layers. It has been found that results for these 39 values are similar to that obtained using complete MFCC features that range from 804 to 67x39. With the use of 39 values on input layer, computational complexity and time for training and recognition of neural network is reduced. In order to evaluate the significance of the proposed method on data other than Urdu digits, 30 English words have been trained and recognized that gave 98% results. All the implementation has been done inMATLAB.
Starting Page	414
Ending Page	418
File Size	282030
Page Count	5
File Format	PDF
ISBN	0769529283
DOI	10.1109/CGIV.2007.85
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-14
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Speech analysis Neurons Mel Frequency Cepsptral Coefficients Artificial neural networks Pattern recognition Mel frequency cepstral coefficient Information technology Computational complexity Urdu spoken digits recognition Neural networks Speech recognition Feature extraction Backprapagation.
Content Type	Text
Resource Type	Article

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