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%0 Journal Article
%A Liuni, Marco
%A Roebel, Axel
%T Phase vocoder and beyond
%D 2013
%B Musica/Tecnologia
%V 7
%N 2013
%P 73-89
%F Liuni13b
%K Phase vocoder
%X For a broad range of sound transformations, quality is measured according to the common expectation about the result: if a male’s voice has to be changed in a female’s one, there exists a common reference for the perceptive evaluation of the result; the same holds if an instrumental sound has to be made longer, or shorter. Following the argument in Röbel, “Between Physics and Perception: Signal Models for High Level Audio Processing”, a fundamental requirement for these transformation algorithms is their need of signal models that are strongly linked to perceptually relevant physical properties of the sound source. This paper is a short survey about the phase vocoder technique, together with its extensions and improvements relying on appropriate sound models, which have led to high level audio processing algorithms.
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