| Paper: | AE-P3.5 | ||
| Session: | Broadband Coding, Perceptual Coding, and Auditory Modeling | ||
| Time: | Thursday, May 20, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Audio and Electroacoustics: Auditory Modeling and Hearing Aids | ||
| Title: | WARPED DFT AS THE BASIS FOR PSYCHOACOUSTIC MODEL | ||
| Authors: | Marek Pafieniuk; Bialystok Technical University | ||
| Alexander Petrovsky; Bialystok Technical University | |||
| Abstract: | In this paper we consider the warped DFT as an alternative basis for psychoacoustic models. The appropriate construction of the transform is approached, aiming precise critical band power analysis. It is shown that sufficient spectral resolution can be obtained for sample block lengths several times shorter than 1024 or 2048 commonly used in the FFT based ear models. Thus temporal resolution is improved and comparable with that of more complex perceptual models utilizing filter banks. The computational complexity is estimated as acceptable for real-time processing. | ||
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