Voice recognition method
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United States of America Patent
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N/A
Issued Date -
Oct 13, 2005
app pub date -
Oct 28, 2004
filing date -
May 6, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The subject of the invention is a voice recognition procedure which comprises: (a) a step of decomposition of a digitised voice signal into a plurality of fractions, (b) a step of representation of each of the fractions by means of a representative vector X.sub.t, (c) a step of classification of the representative vectors X.sub.t, which comprises two or more multistep binary tree residual vectorial quantisations. In the classification step a phonetic representation is associated to each representative vector X.sub.t, allowing a sequence of phonetic representations to be obtained.
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