Speech conversion system and method
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United States of America Patent
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Issued Date -
Jun 15, 2006
app pub date -
Nov 10, 2005
filing date -
Nov 10, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The conversion of speech can be used to transform an utterance by a source speaker to match the speech characteristic of a target speaker. During a training phase, utterances corresponding to the same sentences by both the target speaker can source speaker can be force aligned according to the phonemes within the sentences. A target codebook and source codebook as well as a transformation between the two can be trained. After the completion of a training phase, a source utterance can be divided into entries in the source codebook and transformed into entries in the target codebook. During the transformation, the situation arises where a single source codebook entry can have several target codebook entries. The number of entries can be reduced with the application of confidence measures.
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