Frequency response masking based design of two-channel FIR filterbanks with rational sampling factors (CROSBI ID 508222)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Bregović, Robert ; Lim, Yong Ching ; Saramäki, Tapio
engleski
Frequency response masking based design of two-channel FIR filterbanks with rational sampling factors
Two authors of this paper have shown that by using the frequency-response masking (FRM) technique for designing finite-impulse response (FIR) filters building a two-channel filterbank (FB) with rational sampling factors, the implementation complexity can be reduced compared with the use of direct-form filters for this purpose. In this paper, for designing FBs, a modified version of the FRM technique proposed by Lim and Yang for designing interpolation (decimation) filters is utilized. Using such filters enables one to construct a FB in such a manner that all filters are evaluated at the FB’ s lowest sampling rates, that is, at the subband sampling rates, thereby further decreasing the FB implementation complexity. The benefits of the proposed approach compared to other existing techniques are illustrated by means of examples.
Two-channel filterbanks; Rational sampling factors; Frequency response masking technique
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Podaci o prilogu
11-18-x.
2005.
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objavljeno
Podaci o matičnoj publikaciji
Proceedings of the 2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing, SMMSP 2005
Astola, Jaako ; Egiazarian, Karen ; Saramäki, Tapio
Tampere: Tampere International Center for Signal Processing
Podaci o skupu
2005 International TICSP Workshop on Spectral Methods and Multirate Signal Processing
predavanje
20.06.2005-22.06.2005
Riga, Latvija