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Processing Closed Caption and Time Code Data
Pipeline automatically processes Ancillary Data on ingest operations to obtain closed captions and time
code data. Pipeline encodes the closed caption and time code data into the data stream of the digital
output, making it available for further processing by client applications, such as FlipFactory and Episode.
When a Standard Definition SDI signal is connected, the Pipeline automatically analyzes the signal during
the Vertical Blanking Interval (VBI) on ingest operations to obtain closed captions and time code data.
Closed caption data is extracted from line 21, and time code data from lines 16 through 20 (the 5 lines
beginning with line 16). The last line (usually line 20) with a valid time code is the line whose data is used.
When a High Definition SDI signal is connected, the Pipeline automatically processes all Ancillary data
packets to obtain closed captions and time code data. Closed caption data is extracted from Ancillary data
packets with a DID of 0x161 and time code data is extracted from Ancillary data packets with a DID of
0x260.
Front Panel Indicators
The front panel contains LED indicators, making it easy to check its status.
Figure 2–5. Pipeline HD Dual front panel
In LED (1 per channel)
Out LED (1 per channel)
Reference LED
SDI In.
One per channel. Lights green continuously when an HD source is connected. Flashes green when
an SD source is connected. If the LED flashes orange, data is being lost. Correct problem before
continuing.
SDI Out.
One per channel. Lights green continuously when HD format media is being output. Flashes
green when SD format media is being output. If the LED lights orange, data is being lost. The reason
should be corrected before continuing operation
Mode.
Lights green continuously when the selected codec is creating HD content. Flashes green when the
selected codec is creating SD content.
Reference.
Lights green continuously when an HD source signal is detected on the sync input reference
channel. Flashes green when the source signal is SD.
Sync.
Lights green when an HD source signal is detected on the sync input reference channel. Flashes
green when the source signal is SD.
LAN.
Flashes green to indicate LAN activity.
PWR 1 & 2.
Lights green when power is present and the power supply is operating normally. PWR1
indicates power supply 1; PWR2 indicates power supply 2. An orange PWR LED indicates a failed power
supply or that no power is present.
If a power supply fails, complete jobs in progress. RMA the Pipeline to Telestream for repair as soon as
practical.
74-0085-05
Pipeline HD Dual Hardware
Pipeline User's Guide
Power 1 & 2 LEDs
LAN LED
Mode LED
13
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