Improving Speech Recognition Rate through Analysis Parameters
DOI:
https://doi.org/10.2478/ecce-2014-0009Keywords:
Computers and information processing, Speech analysis, Speech recognition, Speech enhancementAbstract
Speech signal is redundant and non-stationary by nature. Because of vocal tract inertness these variations are not very rapid and the signal can be considered as stationary in short segments. It is presumed that in short-time magnitude spectrum the most distinct information of speech is contained. This is the main reason for speech signal analysis in frame-by-frame manner. The analyzed speech signal is segmented into overlapping segments (so-called frames) for this purpose. Segments of 15-25 ms with the overlap of 10-15 ms are used usually.References
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Copyright (c) 2014 Deividas Eringis, Gintautas Tamulevičius (Author)
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