1981-03-05
1983-08-09
Kemeny, Emanuel S.
G10L 100
Patent
active
043980597
ABSTRACT:
An electronic, speech producing system receives allophonic codes and produces speech-like sounds corresponding to these codes, through a loud speaker. A micro-controller controls the retrieval, from a read-only memory, of digital signals representative of individual allophone parameters. The addresses at which such allophone parameters are located are directly related to the allophonic code. A dedicated microcontroller concatenates the digital signals representative of the allophone parameters, including code indicating stress and intonation patterns for the allophones. The allophones are divided into a plurality of frames with one digital position indicating whether the frame is the last frame in the allophone, in which event an extra frame is introduced to provide smoothing between allophones when no stop is present and when the present allophone is voiced and the subsequent allophone is voiced, or when the present allophone is unvoiced and the subsequent allophone is unvoiced. An LPC speech synthesizer receives the digital signals and provides analog signals corresponding thereto to the loud speaker to produce speech-like sounds with stress and intonation.
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Frantz Gene A.
Goudie Kathleen M.
Lin Kun-Shan
Comfort James T.
Hiller William E.
Kemeny Emanuel S.
Sharp Melvin
Texas Instruments Incorporated
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