PCM-frame synchronizing unit

Details PCM-frame synchronizing unit PCM-frame synchronizing unit

1987-02-17

1988-02-02

Groody, James J.

Multiplex communications

Wide area network

Packet switching

358148, 375118, H04N 504

Patent

active

047232404

ABSTRACT:
The unit is capable of synchronizing an incoming PCM frame with a PCM frame to be presented at the output, to ensure the sequencing of the channels belonging to a wide-band information flow. The flow can consist of a coded video-signal coming from a video-conference room. The synchronization is accomplished by suitable writing and reading operations effected in a random access memory (RAM) apt to store the information contents of two PCM frames. FIG. 2 is the most significant.

REFERENCES:
patent: 4313198 (1982-01-01), Mazzocchi
patent: 4429386 (1984-01-01), Graden

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