DocumentCode
750411
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
Volume
25
Issue
2
fYear
1977
fDate
2/1/1977 12:00:00 AM
Firstpage
264
Lastpage
271
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;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/TCOM.1977.1093802
Filename
1093802
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