參數(shù)資料
型號(hào): GS1503-CFZ
廠商: Gennum Corporation
元件分類: Codec
英文描述: HD EMBEDDED AUDIO CODEC
中文描述: 高清嵌入式音頻編解碼
文件頁數(shù): 29/83頁
文件大?。?/td> 815K
代理商: GS1503-CFZ
15879 - 4
29 of 83
G
The GS1503 assumes that the ancillary data space from the
first blanking location to the SAV contains no ancillary data
packets. Existing ancillary data packets must be
contiguous from the beginning of the HANC space or the
GS1503 will overwrite existing packets with blanking before
multiplexing new packets.
See Figure 27
.
Fig. 27
1.10 AUDIO CONTROL PACKETS
1.10.1 Audio Control Packet Structure
Figure 28 shows the structure of the audio control packet as
defined in SMPTE 299M. An audio control packet is
multiplexed once per field in the Luma channel of the video
data stream. Table 6 lists descriptions of the individual
audio control packet words. The GS1503 will automatically
generate certain audio control packet words.
Fig. 28 Audio Control Packet Structure
Blank
(200h)
Blank (200h)
E
Video Signal before GS1503 (with space between EAV and existing Audio Data Packets)
S
A
G
A
G
Video Signal after GS1503 Insertion of Audio Groups 3 & 4 (CASCADE = 1)
Blank (200h)
E
S
A
G
(
A
G
(
L
C
L
C
A
User Data Words
1
D
D
D
A
D
D
R
C
R
A
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