Mathematical Sciences: Faculty Publications

Linear Subband Predictive Filters for Wideband Signals

Document Type

Conference Proceeding

Publication Date

11-1-2006

Publication Title

Proceedings of the International Conference on Circuits, Systems, Electronics, Control and Signal Processing

ISSN

1790-5117

Abstract

In this paper we present the design of multiband linear subband prediction (LSP) filters for wideband signals. A wideband signal is divided into narrowband subband signals via an array of lowpass/bandpass filters. A linear prediction filter is designed for each subband channel, which has its own designated frequency interval. The filter coefficients are fixed throughout the coding process. A closed form bound on the error of prediction shows that the LSP approach is accurate for wideband signals, which is further supported by simulations.

Copyright

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