(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
Содержание SC-D351
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