Speech analysis system
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United States of America Patent
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-
Aug 24, 1982
Grant Date -
N/A
app pub date -
Mar 31, 1980
filing date -
Apr 4, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a formant speech analysis synthesis system, formant extraction to control a recursive digital all-pole filter encounters the problem that pole-pairs are not orderly arranged and that real poles may occur which are not representative of formants. The problem is solved by transforming the coefficients of the second-order sections of the filter to coefficients which can be easily ordered and by means of which it is simple to assign formants to the real poles.
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