Design of cosine-modulated filter bank prototype filters using the frequency-response masking approach

Author

Diniz, Paulo S R ; Barcellos, Luiz C R ; Netto, Sergio L.

Author_Institution

Program de Engenharia Eletrica, Univ. Federal de Rio de Janeiro, Brazil

Volume

6

fYear

2001

fDate

2001

Firstpage

3621

Abstract

We use the frequency-response masking (FRM) approach to design prototype filters for cosine-modulated filter banks in the nearly perfect reconstruction case. With such an approach, it is possible to design a FRM filter with overall order almost equal to the direct-form FIR design, with only slight changes in the values of the inter-carrier and inter-symbol interferences and the attenuation of the bank filters. The result is an efficient design with reduced number of multipliers for the overall structure

Keywords

FIR filters; digital filters; intersymbol interference; linear phase filters; signal reconstruction; FIR design; FRM filter; bank filter attenuation; cosine-modulated filter bank; frequency-response masking; inter-carrier interference; inter-symbol interference; nearly perfect reconstruction; prototype filters; Band pass filters; Delay; Design methodology; Filter bank; Finite impulse response filter; Frequency response; Interference; Niobium; Passband; Prototypes;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 2001. Proceedings. (ICASSP '01). 2001 IEEE International Conference on

Conference_Location

Salt Lake City, UT

ISSN

1520-6149

Print_ISBN

0-7803-7041-4

Type

conf

DOI

10.1109/ICASSP.2001.940626

Filename

940626