Data transmission and reception methods and data transmission an

Details Data transmission and reception methods and data transmission an Data transmission and reception methods and data transmission an

1998-04-10

2000-08-29

Dorvil, Richemond

Data processing: speech signal processing, linguistics, language

Speech signal processing

Application

704201, G10L 1300

Patent

active

061121800

ABSTRACT:
The invention provides data transmission and reception methods and apparatus by which timer reservation of a program can be performed readily. A data signal including program information generated from a program information generation section is added to modulate an audio information signal supplied from an audio signal supply section by an addition modulation section. In the addition modulation, the audio information signal is phase modulated at a delineating point of sound thereof such as chimes or musical sound with the data signal. Together with the audio information signal phase modulated with the data signal, the audio information signal prior to the phase modulation is transmitted as a reference signal to be used for demodulation.

REFERENCES:
patent: 4020461 (1977-04-01), Adams et al.
patent: 4241266 (1980-12-01), Orban
patent: 5465240 (1995-11-01), Mankovitz
patent: 5778073 (1998-07-01), Busching et al.

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