Samsung SC-D351, Service Manual

Page: 134 / 168

(4) Ampling structue of ITU-R656 (4:2:2)
Circuit Operating Description
13-4 Samsung Electronics
NO Item 525/60 System 625/50 System
1 SAMPLING frequency
luminunse (Y) frequency 13.5MHz
chrominance (Cr,Cb,) frequency 6.75MHz
2 pixel/line
luminunse (Y)frequency 858 864
chrominance (Cr,Cb,) frequency 429 432
3 ACTIVE PIXEL / LINE
luminunse (Y) frequency 720
chrominance (Cr,Cb,) frequency 360
4 ACTIVE LINE / FRAME 480 576
5 ACTIVE LINE No.
FIELD1 23~262 285~524
FIELD2 23~310 335~622
6 quantum Y, Cr, Cb, etc. are by carrying out, and they are 8bits straight lines
quantum.
7 A relation with level which scale 1~254
serves as the analog picture level: Y LEVEL 220 : WHITE LEVEL=235
signal level quantum BLACK LEVEL=16
Cr,Cb LEVEL 225 : GRAY LEVEL =128
Mode Channel Sampling Frequency Quantization
48K mode 2 48KHz 16Bits linear
44.1K mode - 44.1KHz -
32K mode - 32KHz -
32k 4ch mode 4 32KHz 12Bits nonlinear
<Table 13-1 Sampling structure of ITU-R656 (4:2:2)>
<Table 13-2 Audio Encoding mode>
(5) Audio Encoding mode