Speech information transmission method and system

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system

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381 49, G10L 100

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044894333

ABSTRACT:
Vocoder signals in Telex format include a "word accent" code which indicates a sudden change in pitch (fundamental) frequency, perhaps by 50 Hz, usually caused by accenting a certain syllable in a word, whereby continuous speech may be more accurately segmented.

REFERENCES:
patent: 2771509 (1956-11-01), Dudley et al.
patent: 3020344 (1962-02-01), Prestigiacomo
patent: 3662115 (1972-05-01), Sato
patent: 3892919 (1975-07-01), Ichikawa
Flanagan, "Speech Analysis, Synthesis, and Perception", Springer Verlag, 1972, pp. 203, 338.
Fujisaki et al., "Comparison of Word Accent Features . . . ", Record, Congress of Phonetic Sciences, Aug. 1979.

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