GENERATING COEFFICIENTS FOR A PREDICTION FILTER IN AN ENCODER
A TRANSMITTER IS DISCLOSED FOR TRANSMITTING A TRANSMISSION SIGNAL VIA A TRANSMISSION MEDIUM. THE TRANSMITTER DERIVES (6) A PREDICTION SIGNAL FROM THE DIGITAL INFORMATION SIGNAL IN DEPENDENCE ON AN ARRAY OF PREDICTION FILTER COEFFICIENTS. THE ARRAY OF PREDICTION FILTER COEFFICIENTS IS OBTAINED BY SMO...
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Zusammenfassung: | A TRANSMITTER IS DISCLOSED FOR TRANSMITTING A TRANSMISSION SIGNAL VIA A TRANSMISSION MEDIUM. THE TRANSMITTER DERIVES (6) A PREDICTION SIGNAL FROM THE DIGITAL INFORMATION SIGNAL IN DEPENDENCE ON AN ARRAY OF PREDICTION FILTER COEFFICIENTS. THE ARRAY OF PREDICTION FILTER COEFFICIENTS IS OBTAINED BY SMOOTHING (12) A FIRST ARRAY OF COEFFICIENTS. SAID FIRST ARRAY OF COEFFICIENTS IS GENERATED (4) IN RESPONSE TO THE DIGITAL INFONNATION SIGNA]. A RESIDUAL SIGNAL IS OBTAINED BY COMBINATION (8) OF THE DIGITAL INFORMATION SIGNAL AND THE PREDICTION SIGNAL. THE RESIDUAL SIGNAL IS ENCODED (10) SO AS TO OBTAIN AN ENCODED SIGNAL. THE ENCODED SIGNAL IS TRANSMITTED VIA THE TRANSMISSION MEDIUM. (FIG. 2) |
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