G - Physics – 10 – L
Patent
G - Physics
10
L
354/50
G10L 11/02 (2006.01)
Patent
CA 1326912
ABSTRACT OF THE DISCLOSURE A speech coding system includes means for generating a variable threshold dependent upon the power of an input speech signal, and comparator means for comparing the power of the input speech signal with the variable threshold value to generate a discriminating signal for discriminating between a period when a speech continues and a period when the speech pauses, to change the coding operation for the input speech signal in accordance with the level of the discriminating signal, thereby forming voiced and unvoiced frames independently of each other.
537601
Kondo Kazuhiro
Miyamoto Takanori
Muramatsu Ryujiro
Suzuki Toshiro
Hitachi Ltd.
Kirby Eades Gale Baker
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