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Title |
Performance Evaluation of Bangla Word Recognition Using Different Acoustic Features |
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Author |
Nusrat Jahan Lisa, Qamrun Nahar Eity, Ghulam Muhammad, Mohammad Nurul Huda, Chowdhury Mofizur Rahman |
| Citation |
Vol. 10 No. 9 pp. 96-100 |
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Abstract |
This paper describes a medium size Bangla speech corpus preparation and the comparison of the performances of different acoustic features for Bangla word recognition. A small number of speakers are use for most of the Bangla automatic speech recognition (ASR) system, but 40 speakers selected from a wide area of Bangladesh, where Bangla is used as a native language, are involved here. In the experiments, mel-frequency cepstral coefficients (MFCCs) and local features (LFs) are inputted to the MLN to improve the hidden Markov model (HMM) based classifiers for obtaining word recognition performance. From the experiments, it is shown that MFCC based method of 39 dimensions provides a higher word correct rate (WCR) than the other methods investigated. Moreover, a higher WCR is obtained by the MFCC39-based method with fewer mixture components in the HMM. |
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Keywords |
mel-frequency cepstral coefficients, local features, hidden Markov model, automatic speech recognition, acoustic features |
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