Autori: Liuni, Marco , Röbel, Axel
Titolo: Phase vocoder and beyond
Periodico: Musica/tecnologia
Anno: 2013 - Volume: 7 - Pagina iniziale: 73 - Pagina finale: 89

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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SICI: 1974-0050(2013)7<73:PVAB>2.0.ZU;2-2
Testo completo: http://www.fupress.net/index.php/mt/article/download/13209/12491
Testo completo alternativo: http://www.fupress.net/index.php/mt/article/download/13209/12492

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