METHOD FOR VOICE INFORMATION TRANSMISSION Russian patent published in 1998 - IPC

Abstract RU 2124268 C1

FIELD: information transmission systems. SUBSTANCE: during transmission stage method involves converting acoustic signal to electric signal, its amplification and transmission with carrier frequency. During receiving stage method involves filtration of carrier frequency, detection and conversion of electric signal to acoustic signal. During transmission stage after amplification before transmission with carrier frequency described method involves conversion of electric signal into signal with two alternating switched constant levels, which frequency corresponds to frequency of voice information, and generation of code in moments, when each of two switched constant levels is detected. During receiving stage after filtration and detection method involves correlation processing of code. Before conversion of electric signal to acoustic signal method involves generation of electric signal with two alternating switched constant levels, which frequency corresponds to frequency of voice data. EFFECT: increased stability to noise, improved articulation and volume of voice data. 2 cl, 2 dwg

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RU 2 124 268 C1

Authors

Martyshevskij K.N.

Sokolov V.P.

Dates

1998-12-27Published

1995-01-19Filed