Title :
A 44.736 Mbits/s Codec for U600 Mastergroups
Author :
Andrews, Howard W. ; Johannes, Virgil I. ; Woodzell, W. Earl
Author_Institution :
Bell Labs., Holmdel, NJ
fDate :
2/1/1977 12:00:00 AM
Abstract :
A coder-decoder which codes a 600 channel mastergroup into a 44.736 Mbits/s digital is described. It includes a double frequency shift of the mastergroup, eight bit coding with three segment companding, and has format and features necessary for operation in a telephone network.
Keywords :
PCM coding/decoding; Amplitude modulation; Assembly systems; Coaxial components; Codecs; Communication cables; Decoding; Digital systems; Frequency conversion; Telephony; Wideband;
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOM.1977.1093802
