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參數(shù)資料
| 型號： | MT93L16 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Low-Voltage Acoustic Echo Canceller(低電壓回聲消除器) |
| 中文描述： | 低電壓聲回波消除器（低電壓回聲消除器） |
| 文件頁數(shù)： | 7/27頁 |
| 文件大?。?/td> | 118K |
| 代理商： | MT93L16 |
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Preliminary Information
MT93L16
7
Figure 4 - ST-BUS and GCI 8-Bit Companded PCM I/O on Timeslot 2 (Mode 2)
Figure 5 - ST-BUS and GCI 8-Bit Companded PCM I/O with D and C channels (Mode 3)
C4i
F0i (ST-BUS)
Sin
Rout
Rin
Sout
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
In ST-BUS/GCI Mode 2, echo canceller I/O channels are assigned to ST-BUS/GCI timeslot 2. Note that the user can configure PORT1
and PORT2 into different modes.
PORT1
PORT2
0
1
2
B
3
4
outputs = High impedance
inputs = don’t care
F0i (GCI)
start of frame (stbus & GCI)
EC
EC
C4i
F0i (ST-BUS)
Rin
Sout
EC
Sin
Rout
EC
PORT1
PORT2
indicates that an input channel is bypassed to an output channel
ST-BUS/GCI Mode 3 supports connection to 2B+D devices where timeslots 0 and 1 transport D and C channels and echo canceller
(EC) I/O channels are assigned to ST-BUS timeslot 2 (B). Both PORT1 and PORT2 must be configured in Mode 3.
0
D
1
C
2
B
3
4
outputs = High impedance
inputs = don’t care
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
F0i (GCI)
start of frame (stbus & GCI)
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