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參數(shù)資料
| 型號： | GS9023-CFY |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Aluminum Electrolytic Radial Leaded Bi-Polar Capacitor; Capacitance: 100uF; Voltage: 63V; Case Size: 12.5x20 mm; Packaging: Bulk |
| 中文描述： | 嵌入式音頻編解碼器 |
| 文件頁數(shù)： | 12/33頁 |
| 文件大?。?/td> | 301K |
| 代理商： | GS9023-CFY |
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GENNUM CORPORATION
522 - 45 - 05
12
G
The audio packet data sample bits are defined as follows:
Z:
The Z flag is set HIGH at the same sample coincident
with the beginning of a new AES channel status block
(frame 0) and is otherwise set LOW. In non-AES/EBU data
input formats this bit is set to the value of the SAFA/B input
pins at the rising edge of WCINA/B.
ch[1:0]:
Identification of the channels in an audio group as
shown in Table 4.
aud[19:0]
: Twos complement linearly represented audio
data. The audio data is input from the AINA and AINB pins.
V: AES/EBU sample validity bit.
If the audio sample is valid
the bit is set LOW. If the audio sample is invalid, the bit is
set HIGH. In non-AES/EBU data input formats, this bit is set
to the value of the VFLA/B input pins at the rising edge of
WCINA/B.
U: AES/EBU user bit.
In non-AES/EBU data input formats,
this bit is set to the value of the UDA/B input pins at the
rising edge of WCINA/B.
C: AES/EBU audio channel status bit.
In non-AES/EBU data
input formats this bit is set to the value of the CSA/B input
pins at the rising edge of WCINA/B.
P:
Even parity for the 26 previous bits in the audio data
sample (excludes b9 in the first and second words).
NOTE: The P bit is not the same as the AES/EBU parity bit.
This bit is automatically generated by the GS9023.
Extended Audio Data Packets
The GS9023 can multiplex 20 or 24 bit audio samples. For
24 bit audio samples, the 20 MSBs of a 24 bit audio sample
are contained in the audio data packets and the 4 LSBs are
contained in an extended audio data packet as defined in
SMPTE 272. The extended audio data packet is multiplexed
immediately following the corresponding audio data packet.
See Figure 6
Fig. 6
TABLE 3: Audio Packet Data Sample Structure
BIT
WORD X
WORD X+1
WORD X+2
b9
not b8
not b8
not b8
b8
aud 5
aud 14
P
b7
aud 4
aud 13
C
b6
aud 3
aud 12
U
b5
aud 2
aud 11
V
b4
aud 1
aud 10
aud 19 (MSB)
b3
aud 0 (LSB)
aud 9
aud 18
b2
ch 1 (MSB)
aud 8
aud 17
b1
ch 0 (LSB)
aud 7
aud 16
b0
Z
aud 6
aud 15
TABLE 4: Channel Identification Within The Audio Groups
CH
1
CH
0
GROUP
1
GROUP
2
GROUP
3
GROUP
4
0
0
Channel
1
Channel
5
Channel
9
Channel
13
0
1
Channel
2
Channel
6
Channel
10
Channel
14
1
0
Channel
3
Channel
7
Channel
11
Channel
15
1
1
Channel
4
Channel
8
Channel
12
Channel
16
E
S
Empty
Video signal before GS9023
E
Empty
Video signal after GS9023 Insertion of Audio Group 2 & Extended
Audio Group 2 ("CASCADE" = HIGH)
A
G
(
A
(
E
A
G
(
A
G
S
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|---|---|
| GS9024 | Automatic Cable Equalizer |
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| GS9032-CTME3 | GENLINX-TM II GS9032 Digital Video Serializer |
| GS9032-CVME3 | GENLINX-TM II GS9032 Digital Video Serializer |
相關代理商/技術參數(shù) |
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|---|---|
| GS9024 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Automatic Cable Equalizer |
| GS9024_05 | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:Automatic Cable Equalizer |
| GS9024C | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:Automatic Cable Equalizer |
| GS9024C-CKB | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:Automatic Cable Equalizer |
| GS9024C-CTB | 制造商:GENNUM 制造商全稱:GENNUM 功能描述:Automatic Cable Equalizer |
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