Encoded wideband digital transmission signal and record carrier recorded with such a signal
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United States of America Patent
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Sep 11, 2001
Issued Date -
N/A
app pub date -
Mar 8, 2000
filing date -
Jun 1, 1990
priority date (Note) -
Expired
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Abstract
Reproduction accuracy of a digital signal, representing for example stereo audio signals, is improved by transmitting sample data which have been encoded to form transmission signals. The transmission signals are arranged in consecutive frames, each frame including a plurality of information packets, and each information packet including N bits. The number of information packets in a frame is determined by the ratio of the product of the transmission bitrate and the number of samples represented in the frame, to the product of the number of bits in a packet and the sampling frequency. The transmission signals are recorded in a record carrier, or are transmitted in real time. In a digital stereo audio signal embodiment the samples may be subband encoded or transform encoded. The transmission signal may include an indicator signal indicating a combination of certain samples, or scale factor signals for specific components of the sampled Signal.
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