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- W990244015 abstract "In this paper, we present a new time-frequency voice modification concept of speech signal for listeners with hearing impairment. The proposed method, named FBSOLA, for Filter Bank Synchronous Overlap and Addition, explore the SOLA algorithm used for Time-Scale-Modification of speech signal in order to establish a new time-frequency modification method using the M subbands obtained by a Filter Bank analysis-synthesis. We have used the Cosine Modulated Pseudo-QMF Banks. This combined technique allows the modification of both temporal rhythm and spectral envelope of speech signal. A practical solution for perfect reconstruction using the Cosine Modulated Pseudo-QMF Bank is proposed in this paper. The result is a fairly inexpensive (small amount of computation), flexible algorithm that performs a large variety of modifications in order to improve the speech intelligibility for hearing impaired listeners. A software system of the proposed technique is implemented in order to perform complex high quality modifications of speech signal. Experimental results show that the speech signal can be successfully modified to different time-scale/ frequency-magnitudes with high quality." @default.
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- W990244015 date "2009-01-01" @default.
- W990244015 modified "2023-09-25" @default.
- W990244015 title "A New Method for Time-Frequency Modification of Speech Signal Using a Combining Cosine Modulated Pseudo-QMF-Bank & Sola Algorithm for Listeners with Hearing Impairment" @default.
- W990244015 doi "https://doi.org/10.1115/1.802977.paper34" @default.
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