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The MDR-3670 is part of a family of data
transcoders for converting between the commonly
used MPEG2 Transport Stream formats in the
broadcast industry for video distribution.
The MDR-3670 operates with either an E3
(34.368 Mb/s) or DS3 (44.736 Mb/s) G.703 rates.
There are several industry modes of encoding that
can be decoded by the MDR-3670. They are loosely
classified as follows:
Standard: IRT MDT-3570, DDC-3480
Upstream: Similar to above
Downstream: Packet stuffed
Compatible: 9 bit decoding, IRT MFC-3465
This range covers most other manufacturer's
equipment.
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Front panel switches allow Reed Solomon correction
and/or the removal of interleaving and scrambling
(energy dispersal). On board switches allow 204 to
188 conversion, after decoding.
The MDR-3670 is fabricated in IRT's standard
Eurocard format and may be housed in a variety of
IRT's frames.
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