Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1984-03-08
1984-12-18
Kemeny, E. S. Matt
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
381 49, G10L 100
Patent
active
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.
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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.
Ichikawa Akira
Suehiro Akio
Hitachi , Ltd.
Kemeny E. S. Matt
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