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21. About Closed Captioning
The FA-9520 supports 3 closed caption standards; CEA608 CC, S334-1 CC SD, and CEA708 CC
HD.
Outline of each standard
CEA608 CC
Closed captioning for 525/60 video signals. Closed caption data is carried in line 21 in luminance
level signals. Originally used for analog composite signals. The FA-9520 can detect CEA608CC
data in analog composite and SD-SDI signals. Detection in analog Y/C, and YPbPr signals is not
supported.
In the same manner, insertion into analog composite and SD-SDI signals is supported. Insertion
into analog Y/C and YPbPr signals is not supported.
S334-1 CC SD
Data packet closed caption standard for SD-SDI, as defined by DID and SDID, in ancillary data.
The FA-9520 can detect and inset the data into 525/60 video signals.
CEA708 CC HD
Data packet closed caption standard for HD-SDI, as defined by DID and SDID, in ancillary data.
The FA-9520 can detect and inset the data into 1080/59i and 720/59p video signals.
Refer to SMPTE standard documents for details.
21-1. Closed Captioning Setting Procedure
Select an input signal type under IN SEL in the FS INPUT SELECT menu (see
Sec. 5-6-1).
If 525/60 SD-SDI signal is selected under IN SEL, specify the closed caption data type to
detect in ANC DETECT SEL (Sec. 5-6-4). If the selected input signal is 1080/59i or
720/59p, closed caption data will be automatically detected in CEA708 CC HD data.
The status of CEA608 CC closed caption data detection in input signals can be verified in
the ANC1 IN STATUS menu (see Sec. 5-10-21). The status of S334-1 CC SD or CEA708
CC HD can be verified in the ANC1 IN STATUS 1-2 menu (see Sec. 5-10-22).
To insert closed caption data into output video signals, enter the following settings, which
can be separately set for converters 1 and 2.
Set ANC MODE to DETAIL in ANC SET (Sec. 5-9-6).
Select the converter output signal to which the data is to be inserted under EMBED in ANC
DATA EMBED (Sec. 5-7-4).
Whether closed caption data has been inserted can be verified in ANC OUT
(Sec. 5-10-23) a for CEA608 CC, ANC OUT1 (Sec. 5-10-27) for S334-1 CC SD and
CEA708 CC HD.
Closed caption data auto conversion
If CEA608 or S334-1 CC closed caption data is detected in SD-SDI input video signals,
and the FS1 and/or FS2 output format is 1080/59i and/or 720/59p, the detected closed
caption data will be converted to CEA708 CC HD. If EMBED is set to ENABLE for CEA708
CC HD in the ANC DATA EMBED menu (sec. 5-7-4), the converted closed caption data
will be automatically inserted into the output video signal. Meanwhile, if CEA708 CC HD
closed caption data is detected in the 1080/59i or 720/59p input signal, and the FS1 and/or
FS2 output format is 525/60, the detected caption data will be converted to CEA608 and
S334-1 CC. The converted closed caption data will be inserted into output video signals
selected under EMBED in ANC DATA EMBED (Sec. 5-7-4).
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