Abstract
Background noise added to speech can decrease the performance of speech segmentation and enhancement. To solve this problem, new methods have been developed in this thesis. First, a new speech segmentation method (ATF-based SONFIN algorithm) is proposed in fixed noise-level environment. This method contains the multiband analysis and a neural fuzzy network, and it achieves higher recognition rate than the TF-based robust algorithm by 5%. In addition, a new speech segmentation method called RTF-based RSONFIN algorithm is proposed for variable noise-level environment. The RTF-based RSONFIN algorithm contains a recurrent neural fuzzy network. This method contains the multiband analysis and achieve higher recognition rate than the TFbased robust algorithm by 12%.
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© 2002 Springer-Verlag Berlin Heidelberg
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Lin, CT., Liu, DJ., Wu, RC., Wu, GD. (2002). Noisy Speech Segmentation/Enhancement with Multiband Analysis and Neural Fuzzy Networks. In: Pal, N.R., Sugeno, M. (eds) Advances in Soft Computing — AFSS 2002. AFSS 2002. Lecture Notes in Computer Science(), vol 2275. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45631-7_40
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DOI: https://doi.org/10.1007/3-540-45631-7_40
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