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CPP100
SECTION 8
CPP1OPS
25/10/06
www.snellwilcox.com
Version 1 Issue 6
8.4
Enhancer Modes
Off, Enhance, MPEG De-enhance,
Decoder Match, Video Mode
Enhance:
Spatial 2D enhancer utilising separately derived non-linear and linear
edge detection and compression.
Luma: Off, Min, Med, Max
Chroma: Off, Min, Med, Max
Luma Coring: Off, Min, Med, Max
Chroma Coring: Off, Min, Med, Max
MPEG De-Enhance:
Non adaptive symmetric vertical temporal filter utilising ±1 field
contributions
Luma: Off, Min, Med, Max
Chroma: Off, Min, Med, Max
Decoder Match:
Non adaptive symmetric vertical temporal filters utilising ±1 field
contributions
Aperture adjusted to complementary match decoder comb structure
MDD500, Line Comb (e.g. GVG8601), Field Comb.
Video Mode:
Reduces temporal bandwidth of interlaced video (non-film) inputs prior
to MPEG 2 encoding. Modes: 1,2.
Synchroniser
Genlock: Input/Reference/OFF
Status: I/P lock, Ref. Lock
Horizontal offset: 0 - 1H (in 37ns steps)
Vertical offset: 0 - 624H (625 standards)
0 - 524H (525 standards)
VITS
Embedded V flag Style
(525 line only)
All On, All Off, Select individual lines
Individual line controls or Group control for
blanking/passing of VBIS lines
625 Standard 6-22/319-335
525 Standard 9-22/272 -282
OVD Optional Video Data (1-9/264-272)
Lines 1-9/264-272 not filtered
OBD Optional Blanking Data (1-19/264-282)
Lines 1-19/264-282 not filtered
ABD Additional Blanking Data ( 20/22)
Lines 1-22/264-282 not filtered ( V flag as OBD )
8 Bit Rounding
10 bit to 8 bit rounding using truncation error feedback.
EDH
Input error detection and handling
Status: None, OK, Errors
AP/FF Individual or linked reset.
EDH insertion on two PROGRAM outputs.
Key Window
Allows split screen facilities to monitor effect of digital filtering applied to
the key area only.
Select: Off, H-Split, V-Split, Box, User, H-Repeat
User: User Defined Key window co-ordinates
X1, Y1, X2, Y2
Invert: Inversion of selected key window.
Border Selects the border shade around the key window. Off, Black, White
Event Logging: Enables the operator to monitor events using RollCall PC log viewer
Pattern
Internal Test Patterns.
Black / EBU Bars / Y Ramp / UV Ramp / Y Sweep / UV Sweep /
Bowtie / Full Bars