Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1994-03-29
1996-04-23
Epps, Georgia Y.
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
369 48, 369 49, 369 60, 360 191, 360 20, 360 29, 360 39, G11B 700
Patent
active
055110541
ABSTRACT:
A multiplexed data stream is formed by encoding a first input signal at a variable bit rate to form a first encoded data signal which is temporarily stored in a first storage device, encoding a second input signal at a constant bit rate to form a second encoded data signal which is temporarily stored in a second storage device, and using a multiplexing circuit to multiplex the first and second encoded data signals respectively stored in the first and second storage devices to form the desired multiplexed data stream. Transfer of the first encoded data signal from the first storage device to the multiplexing circuit is controlled on the basis of a quantity of the first encoded data signal that is present in the first storage device. When none of the first encoded data signal is present in the first storage device, transfer of the first encoded data signal to the multiplexing circuit is temporarily halted. A switching device is switched at fixed time intervals, on the basis of a quantity of the second encoded data signal that is present in the second storage device, between a first switch position at which the multiplexing circuit is connected to the first storage device and a second switch position at which the multiplexing circuit is connected to the second storage device.
REFERENCES:
patent: 4918523 (1990-04-01), Simon et al.
Signal Processing Image Communication, vol. 4, No. 2, Apr. 1992, Amsterdam NL pp. 153-159 A.
Electronics & Communications in Japan, Part I--Communications, vol. 75, No. 7, Jul. 1992, New York US pp.22-32 Y. Kajiyama et al. `A multiplexing method of multimedia signal in ATM networks`.
Oishi Noriaki
Veltman Markus H.
Edun Muhammad N.
Epps Georgia Y.
Frommer William S.
Sinderbrand Alvin
Sony Corporation
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