AV3169 데이터 시트보기 (PDF) - Unspecified

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AV3169

Video Encoder

Unspecified 

AV3168/69

LUMINANCE PROCESSING

The luminance, Y, are interpolated to 27 Mhz sampling rate through a multi-tap linear poly-phase filter. The filter

frequency response is flat from 0 to 5 MHz. Contrast and Brightness control are provided for minor adjustment

only.

Contrast Control

Item

1

2

3

4

CREG1<1:0>

00

01

10

11

Contrast

Normal

Less Contrast

Least Contrast

High Contrast

.

Brightness Control

Item

1

2

3

4

CREG1<3:2>

00

01

10

11

Contrast

Normal

Modest Brightness

High Brightness

Less Brightness

LUMINANCE FILTER

luminance Filter Frequency Response

0

-10

-20

-30

-40

-50

0

2

4

6

8

10 12

Frequency (Mhz)

11-24

January 4, 2001

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