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參數(shù)資料
| 型號： | MT9300 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Multi-Channel Voice Echo Canceller(多通道話音回聲消除器) |
| 中文描述： | 多通道語音回聲消除器（多通道話音回聲消除器） |
| 文件頁數(shù)： | 13/29頁 |
| 文件大?。?/td> | 110K |
| 代理商： | MT9300 |
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Advance Information
MT9300
13
Registers Description
Bit
Name
Description
7
Reset
When high, the power-up initialization is executed which presets all register bits
including this bit and clears the Adaptive Filter coefficients.
6
INJDis
When high, the noise injection process is disabled. When low noise injection is
enabled.
5
BBM
When high the Back to Back configuration is enabled.
When low the Normal configuration is enabled.
Note: Do not enable Extended-Delay and BBM configurations at the same time.
Always set
both
BBM bits of the two echo cancellers (Control Register A1 and Control
Register B1) of the same group to the same logic value to avoid conflict.
4
PAD
When high, 12dB of attenuation is inserted into the Rin to Rout path.
When low the Rin to Rout path gain is 0dB.
3
Bypass
When high, Sin data is by-passed to Sout and Rin data is by-passed to Rout. The
Adaptive Filter coefficients are set to zero and the filter adaptation is stopped.
When low, output data on both Sout and Rout is a function of the echo canceller
algorithm.
2
AdpDis
When high, echo canceller adaptation is disabled. The MT9300 cancels echo.
When low, the echo canceller dynamically adapts to the echo path characteristics.
1
0 or 1
Bits marked as “1” or “0” are reserved bits and should be written as indicated.
0
ExtDl
or
0
When high, Echo Cancellers A and B of the same group are internally cascaded into
one 128ms echo canceller.
When low, Echo Cancellers A and B of the same group operate independently.
Note: Do not enable both Extended-Delay and BBM configurations at the same time.
Control Register B1 bit-0 is a reserved bit and should be written “0”.
Echo Canceller A, Control Register A1
Read/Write Address: 00
H
+ Base Address
0
AdpDis
Bypass
PAD
BBM
INJDis
Reset
7
6
5
4
3
2
1
0
ExtDl
Echo Canceller B, Control Register B1
Read/Write Address: 20
H
+ Base Address
1
AdpDis
Bypass
PAD
BBM
INJDis
Reset
7
6
5
4
3
2
1
0
0
Reset Value:
00
H
.
Reset Value:
02
H
.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT933 | () |
| MT93L16 | Low-Voltage Acoustic Echo Canceller(低電壓回聲消除器) |
| MTD2955V-1 | 30V N-Channel PowerTrench MOSFET |
| MTD2955V-1G | 30V N-Channel PowerTrench MOSFET |
| MTD2955VG | 30V N-Channel PowerTrench MOSFET |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT9300AL | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Multi-Channel Voice Echo Canceller |
| MT9300B | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Multi-Channel Voice Echo Canceller |
| MT9300BL | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Multi-Channel Voice Echo Canceller |
| MT9300BV | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Multi-Channel Voice Echo Canceller |
| MT9315 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Acoustic Echo Canceller |
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