Patent
1990-10-05
1993-07-27
MacDonald, Allen R.
G10L 900
Patent
active
052316920
ABSTRACT:
Pitch periods for a long term predictor included in a speech codec are searched in two searching stages. In the first searching stage, probable pitch periods are searched skipping a constant number of pitch periods, and in the second searching stage, pitch periods including the pitch period determined in the first searching stage and pitch periods neighboring the pitch period on both sides are searched.
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patent: 4933957 (1990-06-01), Bottau et al.
patent: 5012517 (1991-03-01), Wilson et al.
Hess, "Pitch Determination of Speech Signals", Springer-Verlag, 1983, pp. 373-383.
Parsons, "Voice and Speech Processing", McGraw-Hill Book Co., 1986, pp. 219-221.
Amano Fumio
Ohta Yasuji
Sasama Akira
Tanaka Yoshinori
Taniguchi Tomohiko
Doerrler Michelle
Fujitsu Limited
MacDonald Allen R.
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