DATA PROCESSING OF A BITSTREAM SIGNAL

摘要

A DATA PROCESSING APPARATUS IS DISCLOSED FOR DATA PROCESSING AN AUDIO SIGNAL. THE DATA PROCESSING 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 PREDICTION UNIT (10) FOR CARRYING OUT A PREDICTION STEP ON THE BITSTREAM SIGNAL SO AS TO OBTAIN A PREDICTED BITSREAM SIGNAL, A SIGNAL COMBINATION UNIT (42) FOR COMBINING THE BITSTREAM SIGNAL AND THE PREDICTED BITSTREAM SIGNAL SO AS TO OBTAIN A RESIDUE BITSTREAM SIGNAL, AND AN OUTPUT TERMINAL (14) FOR SUPPLYING THE RESIDUAL BITSTREAM SIGNAL (FIGURE 1). FURTHER, A RECORDING APPARATUS (FIGURE 4) AND A TRANSMITTER APPARATUS (FIG. 5) COMPRISING THE DATA PROCESSING APPARATUS ARE DISCLOSED. OTHER DATA PROCESSING APPARATUSES CAN BE FOUND IN THE