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參數(shù)資料
| 型號： | MT9300B |
| 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)： | 24/37頁 |
| 文件大小： | 179K |
| 代理商： | MT9300B |
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Advance Information
MT9300B
24
Bit
Name
Description
7-5
unused
Unused Bits.
4
MTDBI
Mask Tone Detector B Interrupt: When high, the Tone Detector interrupt output from
Echo Canceller B is masked. The Tone Detector operates as specified in Echo
Canceller B, Control Register 2.
When low, the Tone Detector B Interrupt is active.
3
MTDAI
Mask Tone Detector A Interrupt: When high, the Tone Detector interrupt output from
Echo Canceller A is masked. The Tone Detector operates as specified in Echo
Canceller A, Control Register 2.
When low, the Tone Detector A Interrupt is active.
2
Format
ITU-T/Sign Mag: When high, both Echo Cancellers A and B for a given group, select
ITU-T (G.711) PCM code.
When low, both Echo Cancellers A and B for a given group, select sign-magnitude
PCM code
.
1
LAW
A/
μ
Law: When high, both Echo Cancellers A and B for a given group, select A-Law
companded PCM code.
When low, both Echo Cancellers A and B for a given group, select m-Law companded
PCM code
.
0
PWUP
Power-UP: When high, both Echo Cancellers A and B and Tone Detectors for a given
group, are active.
When low, both Echo Cancellers A and B and Tone Detectors for a given group, are
placed in Power Down mode. In this mode, the corresponding PCM data are bypassed
from Rin to Rout and from Sin to Sout with two frames delay.
When the PWUP bit toggles from zero to one, the echo cancellers A and B execute
their initialization routine which presets their registers, Base Address+00H to Base
Address+3FH, to default Reset Value and clears the Adaptive Filter coefficients.
Two frames are necessary for the initialization routine to execute properly. Once the
initialization routine is executed, the user can set the per channel Control Registers for
their specific application.
PWUP
LAW
Format
MTDAI
MTDBI
unused
unused
unused
7
6
5
4
3
2
1
0
Reset Value:
00
H
Main Control Register 1
Main Control Register 2
Main Control Register 3
Main Control Register 4
Main Control Register 5
Main Control Register 6
Main Control Register 7
Main Control Register 8
Main Control Register 9
Main Control Register 10
Main Control Register 11
Main Control Register 12
Main Control Register 13
Main Control Register 14
Main Control Register 15
(EC group 1)
(EC group 2)
(EC group 3)
(EC group 4)
(EC group 5)
(EC group 6)
(EC group 7)
(EC group 8)
(EC group 9)
(EC group 10)
(EC group 11)
(EC group 12)
(EC group 13)
(EC group 14)
(EC group 15)
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
Read/Write Address:
401
H
402
H
403
H
404
H
405
H
406
H
407
H
408
H
409
H
40A
H
40B
H
40C
H
40D
H
40E
H
40F
H
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| MT9315AE | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Acoustic Echo Canceller |
| MT9315AP | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:CMOS Acoustic Echo Canceller |
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