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Publication Type : Conference Paper
Publisher : 2018 15th IEEE India Council International Conference
Source : 2018 15th IEEE India Council International Conference (INDICON), IEEE, Coimbatore, India (2018)
Url : https://ieeexplore.ieee.org/abstract/document/8987068
Campus : Coimbatore
School : School of Engineering
Center : Computational Engineering and Networking
Department : Electronics and Communication
Year : 2018
Abstract : Epoch extraction from the telephonic speech signal is challenging due to the attenuation of the low frequency information. The present work focuses on the strengthening of the low frequency information in the speech signal by utilizing the properties of Hilbert envelope and filter out the vocal tract resonances by an FIR filter with the center frequency at 0Hz and is based on the flat-top cosine window. The properties of the flat-top cosine window are effectively exploited in the extraction of epoch information from the Hilbert envelope obtained from the speech signal. The proposed method shows improvement in identification rate and identification accuracy when compared with the performance of ZFF of the Hilbert of speech signal for both clean and telephonic speech signal.
Cite this Research Publication : G. B. Gowri, Dr. Soman K. P., and D., G., “Improved Epoch Extraction from Telephonic Speech Using Flat-Top Cosine Windows”, in 2018 15th IEEE India Council International Conference (INDICON), Coimbatore, India, 2018.