Design of biorthogonal M-channel cosine-modulated FIR/IIR filter banks
Fabrizio Argenti, E. Del Re
Abstract
Fabrizio Argenti, E. Del Re
Abstract
We investigate on the problem of designing biorthogonal filter banks obtained by the cosine-modulation of an analysis and a synthesis prototype. The design procedure is developed in a general framework including both finite impulse response (FIR) and causal infinite impulse response (IIR) prototypes. Numerical examples are presented to show the effectiveness of the method.
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We investigate on the problem of designing biorthogonal filter banks obtained by the cosine-modulation of an analysis and a synthesis prototype. The design procedure is developed in a general framework including both finite impulse response (FIR) and causal infinite impulse response (IIR) prototypes. Numerical examples are presented to show the effectiveness of the method.
Key concepts: Biorthogonal system, Infinite impulse response, Finite impulse response, Filter bank, Raised-cosine filter, Mathematics, Trigonometric functions, Digital filter