參數(shù)資料
型號: ADV601LCJSTZRL
廠商: Analog Devices Inc
文件頁數(shù): 15/44頁
文件大小: 0K
描述: IC CODEC VIDEO DSP/SRL 120LQFP
標準包裝: 1,000
類型: 視頻編解碼器
數(shù)據(jù)接口: DSP,串行
分辨率(位): 8 b
三角積分調(diào)變:
電壓 - 電源,模擬: 4.5 V ~ 5.5 V
電壓 - 電源,數(shù)字: 4.5 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 120-LQFP
供應(yīng)商設(shè)備封裝: 120-LQFP(14x14)
包裝: 帶卷 (TR)
ADV601LC
–22–
REV. 0
(CONTINUOUS STREAM OF FRAMES)
TIME
FRAME (N)
FRAME (N + 1)
FRAME (N + 2)
FRAME (N + M)
FIELD 2 SEQUENCE
FIELD 1 SEQUENCE
FIELD SEQUENCE STRUCTURE
FIRST BLOCK SEQUENCE
COMPLETE BLOCK SEQUENCE
VERTICAL INTERFACE TIME CODE
START OF FIELD 1 OR 2 CODE
FIRST BLOCK SEQUENCE STRUCTURE
DATA FOR MALLAT BLOCK 6
BIN WIDTH QUANTIZER CODE
SUB-BAND TYPE CODE
COMPLETE BLOCK SEQUENCE ORDER
(STREAM OF MALLAT
BLOCK SEQUENCES)
SEQUENCE FOR MALLAT BLOCK 3
SEQUENCE FOR MALLAT BLOCK 20
SEQUENCE FOR MALLAT BLOCK 9
COMPLETE BLOCK (INDIVIDUAL) SEQUENCE STRUCTURE
DATA FOR MALLAT BLOCK
BIN WIDTH QUANTIZER CODE
START OF BLOCK CODE
Figure 11. Hierarchical Structure of Wavelet Compressed Frame Data (Data Block Order)
Compressed Data-Stream Definition
Through its Host Interface the ADV601LC outputs (during
encode) and receives (during decode) compressed digital video
data. This stream of data passing between the ADV601LC and
the host is hierarchically structured and broken up into blocks of
data as shown in Figure 11. Table IV shows pseudo code for a
video data transfer that matches the transfer order shown in
Figure 11 and uses the code names shown in Table XIV. The
blocks of data listed in Figure 11 correspond to wavelet com-
pressed sections of each field illustrated in Figure 12 as a modified
Mallat diagram.
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