TDA9178 datasheet(13/36 Pages) PHILIPS

13 / 36 page

1999 Sep 24

Philips Semiconductors

Preliminary speciﬁcation

YUV one chip picture improvement based on luminance

vector-, colour vector- and spectral processor

TDA9178

Table 16 Green enhancement gain

Table 17 Green enhancement width

Table 18 Green enhancement size

Table 19 Blue stretch on/off

Table 20 Blue stretch gain

Table 21 Blue stretch size

Table 22 Colour dependent sharpness on/off

Table 23 Colour transient improvement on/off

GGR

FUNCTION

default enhancement

60% increased gain

WGR

FUNCTION

default detection angle

60% increased detection angle

SGR

FUNCTION

default area

40% increased area

DBL

FUNCTION

blue stretch off

blue stretch on

GBL

FUNCTION

default gain

60% increased gain

SBL

FUNCTION

default area

40% increased area

CDS

FUNCTION

colour dependent sharpness off

colour dependent sharpness on

CTI

FUNCTION

colour transient improvement off

colour transient improvement on

Table 24 Black offset compensation on/off

Table 25 Adaptive black stretch

Table 26 Non-linearity ampliﬁer

Table 27 Variable gamma

Table 28 Peaking amplitude

Table 29 Steepness correction

Table 30 Coring level

BON

FUNCTION

black offset compensation off

black offset compensation on

BT5

BT4

BT3

BT2

BT1

BT0

FUNCTION

000000

111111

100%

NL5

NL4

NL3

NL2

NL1

NL0

FUNCTION

000000

111111

100%

VG5

VG4

VG3

VG2

VG1

VG0

FUNCTION

000000

−100%

111111

100%

PK5

PK4

PK3

PK2

PK1

PK0

FUNCTION

000000

111111

100%

SP5

SP4

SP3

SP2

SP1

SP0

FUNCTION

000000

111111

100%

CR5

CR4

CR3

CR2

CR1

CR0

FUNCTION

000000

111111

30%

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