Year

1990

Degree Name

Master of Engineering (Hons.)

Department

Department of Electrical and Computer Engineering

Abstract

The objectives of this project are to design the M-band perfect reconstruction parallel QMF banks and to implement a sub-band coder using the designed filter banks. A design procedure for the M-band perfect reconstruction parallel QMF banks is presented. The filter design uses the concept of lossless lattice structure. Several structures of the lossless unitary matrices used in the design are presented. Algorithms are devised to design the M-band perfect reconstruction parallel QMF banks and implemented on the UNIVAC 1100 system using Fortran. A number of 3-band, 4-band and 5-band perfect reconstruction parallel QMF banks are designed by using the proposed algorithm.

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Unless otherwise indicated, the views expressed in this thesis are those of the author and do not necessarily represent the views of the University of Wollongong.