Speech synthesis with weighted parameters at phoneme boundaries
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United States of America Patent
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Aug 19, 1997
Issued Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Mar 17, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method and an arrangement for speech synthesis and provides an automatic mechanism for simulating human speech. The method provides a number of control parameters for controlling a speech synthesis device. The invention solves the problem of coarticulation by using an interpolation mechanism. The control parameters are stored in a matrix or a sequence list for each polyphone. The behaviour of the respective parameter with time is defined around each phoneme boundary and polyphones are joined by forming a weighted mean value of the curves which are defined by their two associated matrices/sequences list. The invention also provides an arrangement for carrying out the method.
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