H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/28
H04Q 3/42 (2006.01) H04M 7/00 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2019176
There is disclosed a subscriber line interface circuit in a packet switched network capable of reducing S/N ratio by analog/digital conversion of an input signal with a single arrangement. Voice signals are transmitted and received as analog signals between line terminal circuits and voice signal processing circuits each constituting a subscriber circuit. In the voice signal processing circuits, packet assembly and dis- assembly, voice signal processing and line terminal circuit control are carried out in synchronism with the packet communica- tion network.
Kihara Kouichi
Yamamoto Kazushige
Fetherstonhaugh & Co.
Oki Electric Industry Co. Ltd.
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