Coded data generation or conversion – Digital code to digital code converters
Patent
1991-12-27
1994-02-22
Hoff, Marc S.
Coded data generation or conversion
Digital code to digital code converters
369 84, 348304, 348441, H04N 141, H04N 576
Patent
active
052891909
ABSTRACT:
The present invention relates to a recording/reproducing apparatus which records an effective transmit information signal on a recording medium in a high-efficiency coded form and decodes the high-efficiency coded signal read from the recording medium to recover the original information signal. At the time of recording or dubbing of the recovered information signal on another recording medium, the information signal, a control signal indicating whether or not the information signal has been subjected to high-efficiency coding and decoding processes and a specific signal indicating a specific value used in the high-efficiency coding and decoding processes when the information signal has been subjected to the high-efficiency coding and decoding processes are transmitted, thereby preventing the deterioration of data due to the high-efficiency coding.
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Patent Abstracts of Japan, vol. 15, No. 148 (E-1056) Apr. 15, 1991, JP-A-30 24 886, Feb. 1, 1991.
EBU Review-Technical, No. 230, Aug. 1988, pp. 158-181, "Low Bit-Rate Coding of High-Quality Audio Signals", G. Theile, et al.
Patent Abstracts of Japan, vol. 13, No. 435 (E-825) Sep. 28, 1989, JP-A-11 62 080 Jun. 26, 1989.
Kimura Junko
Shimoda Kenji
Hoff Marc S.
Kabushiki Kaisha Toshiba
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