Apparatus and method are disclosed for a differential pulse code modulated system. The system transmits the difference between a given sample of the input signal and an estimated value of the given sample which is determined from previous estimated samples. The differential signal is fed back to an all digital loop to provide an estimated sample without undue delay.
申请公布号
DE2124754(C3)
申请公布日期
1981.03.26
申请号
DE19712124754
申请日期
1971.05.19
申请人
COMMUNICATIONS SATELLITE CORP., WASHINGTON, D.C., US
发明人
GABBARD, OVA GENE, GERMANTOWN, MD., US;KAUL, PRADMAN, WASHINGTON, D.C., US
