Title :
A note on line spectral frequencies [speech coding]
Author :
Lepschy, Antonio ; Mian, Gian Antonio ; Viaro, Umberto
Author_Institution :
Dept. of Electron. & Inf., Padova Univ., Italy
fDate :
8/1/1988 12:00:00 AM
Abstract :
The main properties of line spectral frequencies (LSFs) are analyzed by means of the root-locus technique. This leads to a better insight into the nature of this efficient predictor filter parametrization. The effects of quantization of the LSFs are illustrated by a numerical example
Keywords :
encoding; filtering and prediction theory; speech analysis and processing; efficient predictor filter parametrisation; line spectral frequencies; quantisation; root-locus technique; speech coding; Acoustic reflection; Ambient intelligence; Filters; Frequency; H infinity control; Poles and zeros; Polynomials; Quantization; Robustness; Speech coding;
Journal_Title :
Acoustics, Speech and Signal Processing, IEEE Transactions on
