Warped discrete-Fourier transform: Theory and applications

IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications

Volumn 48, Issue 9, 2001, Pages 1086-1093

  Makur, Anamitra ^a,b   Mitra, Sanjit K ^a,c  

^a IEEE   (India)

^b INDIAN INSTITUTE OF SCIENCE   (India)

^c University of California   (United States)

Author keywords

Allpass; DFT; Frequency warping; Warped DFT

Indexed keywords

ALLPASS WARPING FUNCTION; FREQUENCY WARPING; WARPED DISCRETE-FOURIER TRANSFORM;

ALGORITHMS; DIGITAL SIGNAL PROCESSING; FIR FILTERS; MATRIX ALGEBRA; SPECTRUM ANALYSIS; TRANSFER FUNCTIONS; Z TRANSFORMS;

DISCRETE FOURIER TRANSFORMS;

EID: 0035439742     PISSN: 10577122     EISSN: None     Source Type: Journal    
DOI: 10.1109/81.948436     Document Type: Article

References (8)

1. Computation of spectra with unequal resolution using the fast Fourier transform
2. Spectral transformations for digital filters
3. Combinatorial rules for some useful transformations
4. Comparison of a discrete wavelet transform and a nonuniform polyphase filterbank applied to spectral-subtraction speech enhancement
5. Flexible nonuniform filter banks using allpass transformation of multiple order
6. Warped discrete cosine transform and its application in image compression