Wavelet analysis is a type of windowed spectrum analysis. As opposed to short-time Fourier analysis, with its uniform time-frequency regions, wavelet analysis divides the time-frequency plane into nonuniform regions. Wavelet techniques were first applied to audio signals in the 1980s. Today [there have been] notable successes in the domain of transient detection and data reduction. (Source - Curtis Roads (2001). Microsound. MIT Press: 239-240.)
Bibliography: Vaggione, Horacio (1996b). Articulating Microtime
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