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- W59094301 abstract "Introduction. The coding theory of the speech signals spectral envelope forms by linear spectral parameters of the highest splitting (LSP-HS) method is regarded. Advantages of LSP-HS parameters using compare to the classic LSP parameters are specified. Main part. It is demonstrated that the direct and inverse transform of LSP-HS method can be regarded as a certain matrices transform from the LPC coefficients. Method of determin-ing the matrix elements of direct and inverse transformation method LSP-HS is described. It is shown that the matrix of direct and inverse transformation of method LSP-HS can be calcu-lated for arbitrary prediction order. The results of specified matrices elements determination for 10th prediction order are given. Basis vectors of the direct and inverse transformation matrices of LSP-HS method are plotted on the charts. The formula of the spectral envelope estimates for synthesized speech signal in space LSP-HS is written. Conclusions. It is proved that the method of LSP-HS can be used in matrix form. The ma-trix form of LSP-HS method makes it possible to employ standard mathematical tools to de-scribe the shape of speech signal spectral envelope not only in space LPC, but in the space of LSP-HS, which can not be done in the space of classical (first phase splitting) LSP. The ma-trix form of LSP-HS method allows to draw alternative structure of analysis and synthesis of speech filters not with classic LPC parameters, but with the coefficients of LSP-HS space, and to reveal the physical meaning of the transition from LPC to the LSP in algorithms of speech coding." @default.
- W59094301 created "2016-06-24" @default.
- W59094301 creator A5060392734 @default.
- W59094301 date "2014-01-01" @default.
- W59094301 modified "2023-09-23" @default.
- W59094301 title "Матрична форма методу ЛСП-НР" @default.
- W59094301 hasPublicationYear "2014" @default.
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