TANDBERG TT-1222, Reference Manual

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Technical Specification
Page B-6 Reference Guide: TT1222 4:2:0 Professional Receiver
ST.RE.TT1222.2
B.4.5 VBI 625 Lines Output
Table B.6: 625 Line VBI Output
Parameter Line/Field Performance
VITS lines specification ITU-R J.63
VITS PAL (lines) 17, 18, 330, 331
VITS SECAM (lines) 17, 18
VITC lines 16 or 22 (fields 1
and 2) SMPTE RP164,
ISO 13818-2 GOP header
Other testlines PAL / SECAM Sin(x)/x
WST (EBU) Teletext Source system 7 to 23, 319 to 335
mandatory
6 to 23, 318 to 335
(inclusive) if possible. EN 300 472 (DVB), SI-DAT 477 rev. 2
WST (EBU) Teletext Output system 7 to 23, 319 to 335
mandatory
6 to 23, 318 to 335
(inclusive) if possible. ITU-R BT.653-3, system B
WST (EBU) Teletext Level 462 mV
±
6%
WST (EBU) Teletext Eye height > 90%
WST (EBU) Teletext Delay rel. to video ± 1 frame
VPS Source system
2
16 EN301 775
VPS Output system ETS 300 231, ARD/ZDF Nr. 8R2
WSS Source system EN301 775
WSS Output system 3 23 ETS 300 294, , ITU-R BT.1119
B.4.6 VBI 525 Lines Output
Table B.7: 525 Line VBI Analogue Output
Parameter Lines/Fields Performance
VITS lines Output system ITU-R J.63
VITS (lines) Line 17, field 1 and 2
VITC Line 14 (fields 1 and 2) SMPTE RP164,
ISO 13818-2 GOP header
GCR ref. ATSC Doc A/49
Closed Captions
21 and 284
(Line 21 of fields 1 and 2)
ATSC A/53B
ANSI/SCTE 20 (formerly
DVS157)
2
VPS data are encoded on line 16, comprising a total of 13 bytes per frame. The data is used for a number of different purposes. Only
bytes 5, 11, 12, 13 and 14 are supported.
3
WSS is either (by user selection): a) Reproduced on line 23 of the output, or b) Used to control the aspect ratio of
the outpu
t
.
If present, AFD takes precedence over WSS. I
f p
resent, WSS takes precedence over the MPEG Sequence Header data.