10 X75HD Installation and Operation Manual
Preliminary—Contents are proprietary and confidential. Do not photocopy or distribute.
Chapter 1: Introduction
Overview of Operating Modes
There are two main operational modes: M-Path (multiple-path)
processing, and Simulcast processing.
If you are selecting a single or multiple source for signal processing,
you do not need configure the system in any special way. Depending on
your input source selections, the single-source or multi-source
operating mode is automatically set, and the required processing carried
out. See “M-Path Operation” below for more information on M-Path
operation.
If you want the X75HD system to operate in Simulcast mode (where
any two inputs are selected to cleanly switch simultaneously between
determined outputs, such as SDTV and HDTV), you will need to set-up
the unit to process signal information differently. To do this, see
“Simulcast Operation” on page 14.
M-Path Operation
Video Processing
M-Path operation involves the processing of any analog, digital, and
HDTV inputs to any analog, digital and HDTV outputs; provides
multiple channel processing; and allows for the wrapping around of an
SDTV transport device (for example, a VTR).
Accepted video input signals include analog component/Betacam,
analog composite, and S-video/CAV, DV, SD-SDI, and HD-SDI.
Analog (composite/S-video/CAV) and DV inputs are optional.
Available video outputs include analog composite, analog
component/RGB/Betacam, S-video/CAV, DV, DVI, SD-SDI, HD-SDI,
and streaming. DV and streaming outputs are optional.
During processing, the X75HD up-converts, down-converts, or
cross-converts, as required. Various examples of video processing are
illustrated in Figure 1-5 and Figure 1-6 on page 11.
Note
For some conversion processes,
the optional analog video input
module is required.
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