| 摘要 |
A DATA COMPRESSION APPARATUS IS DISCLOSED FOR DATA COMPRESSING AN AUDIO SIGNAL. THE DATA COMPRESSION APPARATUS COMPRISES AN INPUT TERMINAL (1) FOR RECEIVING THE AUDIO SIGNAL, A 1-BIT A/D CONVERTER (4) FOR A/D CONVERTING THE AUDIO SIGNAL SO AS TO OBTAIN A BITSTREAM SIGNAL, A LOSSLESS CODER (10) FOR CARRYING OUT A LOSSLESS DATA COMPRESSION STEP ON THE BITSTREAM SIGNAL SO AS TO OBTAIN A DATA COMPRESSED BITSTREAM SIGNAL, AND AN OUTPUT TERMINAL (14) FOR SUPPLYING THE DATA COMPRESSED BITSTREAM SIGNAL. FURTHER, A RECORDING APPARATUS AND A TRANSMITTER APPARATUS COMPRISING THE DATA COMPRESSION APPARATUS ARE DISCLOSED. IN ADDITION, A DATA EXPANSION APPARATUS FOR DATA EXPANDING THE DATA COMPRESSED BITSTREAM SIGNAL SUPPLIED BY THE DATA COMPRESSION APPARATUS IS DISCLOSED, AS WELL AS REPRODUCING APPARATUS AND A RECEIVER APPARATUS COMPRISING THE DATA EXPANSION APPARATUS.(FIG. 1)
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