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Testing the assumptions of linear prediction analysis in normal vowels

Abstract:

This paper develops an improved surrogate data test to show experimental evidence, for all the simple vowels of US English, for both male and female speakers, that Gaussian linear prediction analysis, a ubiquitous technique in current speech technologies, cannot be used to extract all the dynamical structure of real speech time series. The test provides robust evidence undermining the validity of these linear techniques, supporting the assumptions of either dynamical nonlinearity and/or non-G...

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Publication date:
2006-01-03
URN:
uuid:326dbbf1-ab42-44c7-99eb-83f09bc3bd54
Local pid:
oai:eprints.maths.ox.ac.uk:214

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