Method and apparatus for speech synthesizing

Details Method and apparatus for speech synthesizing Method and apparatus for speech synthesizing

1977-01-21

1980-07-22

Morrison, Malcolm A.

G10L 100

Patent

active

042141257

ABSTRACT:
A method and apparatus for analyzing and synthesizing speech information in which a predetermined vocabulary is spoken into a microphone, the resulting electrical signals are differentiated with respect to time, digitized, and the digitized waveform is appropriately expanded or contracted by linear interpolation so that the pitch periods of all such waveforms have a uniform number of digitizations and the amplitudes are normalized with respect to a reference signal. These "standardized" speech information digital signals are then compressed in the computer by subjectively removing and discarding redundant speech information such as redundant pitch periods, portions of pitch periods, redundant phonemes and portions of phonemes, redundant amplitude information (delta modulation) and phase informaton (Fourier transformation). The compression techniques are selectively applied to certain of the speech information signals by listening to the reproduced, compressed information. The resulting compressed digital information and associated compression instruction signals produced in the computer are thereafter injected into the digital memories of a digital speech synthesizer where they can be selectively retrieved and audibly reproduced to recreate the original vocabulary words and sentences from them.

REFERENCES:
patent: 3102165 (1963-08-01), Clapper
patent: 3165741 (1965-01-01), Thor
patent: 3369077 (1968-02-01), French
patent: 3416080 (1968-12-01), Wright et al.
patent: 3588353 (1971-06-01), Martin
patent: 3588353 (1971-06-01), Martin
patent: 3641496 (1972-02-01), Slavin
patent: 3750024 (1973-07-01), Dunn
patent: 3789144 (1974-01-01), Doyle
patent: 3811016 (1974-05-01), Takasaki et al.
patent: 3892919 (1975-07-01), Ichikawa
patent: 3942126 (1976-03-01), Muraoka
W. Bucholz, "Computer Controlled Audio Output", IBM Tech. Bull., vol. 3, No. 5, Oct. 1960, p. 60.
J. L. Flanagan, "Speech Analysis, Synthesis and Perception", Springer-Verlag, 1972, pp. 395,396,401-404.
G. Hellwarth, G. Jones, "Automatic Conditioning of Speech Signals," IEEE Trans. on Audio and EA, Jun. 1968 pp. 169-179.

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