NDLI: Efficient interconversion algorithm for PARCOR and LSP parameters

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Proceedings of ICSIPNN '94. International Conference on Speech, Image Processing and Neural Networks

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Efficient interconversion algorithm for PARCOR and LSP parameters

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Proceedings of ICSIPNN '94. International Conference on Speech, Image Processing and Neural Networks

Efficient interconversion algorithm for PARCOR and LSP parameters

Content Provider	IEEE Xplore Digital Library
Author	Chan, C.F.
Copyright Year	1994
Description	Author affiliation: Dept. of Electron. Eng., City Polytech. of Hong Kong, Kowloon, Hong Kong (Chan, C.F.)
Abstract	The paper introduces an efficient algorithm for calculating line spectrum frequencies from PARCOR coefficients and vice versa. The algorithm employs a recursive technique to generate the line spectrum from PARCOR coefficients. In each recursion, a rotation and scaling operations on the complex frequency plane are required. The even and odd line spectrum frequencies are found to be the zero crosspoints on the real and imaginary axis of the complex plane, respectively. The paper also points out some interesting relationships between PARCOR coefficients and line spectrum frequencies. These relationships can be exploited to formulate a more efficient quantization scheme for coding LPC parameters at 30 bits per frame with transparent quality.<>
Starting Page	603
Ending Page	606
File Size	281319
Page Count	4
File Format	PDF
ISBN	078031865X
DOI	10.1109/SIPNN.1994.344839
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-04-13
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Speech coding Cities and towns Quantization Dynamic range Linear predictive coding Polynomials Frequency domain analysis Organizing Equations Fixed-point arithmetic
Content Type	Text
Resource Type	Article

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