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参数资料
| 型号： | ECHOCANCELFS |
| 英文描述： | Freescale Semiconductor Digital Network Echo Cancellers |
| 中文描述： | 飞思卡尔数字网络回声消除 |
| 文件页数： | 2/2页 |
| 文件大小： | 250K |
| 代理商： | ECHOCANCELFS |
FREESCALE ECHO CANCELLER IS RUNTIME
CONFIGURABLE AND THE CONFIGURATION OPTIONS ARE:
Echo Span
Window
Option
Coverage
Size
Type
1
128 ms
24 ms
Moving window
2
64 ms
24 ms
Moving window
3
32 ms
24 ms
Moving window
4
24 ms
Fixed window
5
16 ms
Fixed window
6
8 ms
Fixed window
Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners.
Freescale Semiconductor, Inc. 2004
ECHOCANCELFS
REV 5
Interfaces
The individual software function is
supplied as a single library module,
which contains the necessary object
code required to link into a user’s
top-level application code. Essential
functions are equipped with C
callable interfaces.
Availability
Available today.
Other Documents
The following documents are available
upon request. Please contact your
sales representative.
Freescale Echo Cancellation
White Paper
Independent Third-Party Testing
Results (under NDA)
Freescale Echo Canceller
Benchmarking Summary
(under NDA)
Freescale Echo Canceller G.168
Test Coverage and Results
(under NDA)
Freescale Echo Canceller Interface
Control Document (under NDA)
Freescale Echo Path Channel
Identification White Paper
(under NDA)
Freescale Echo Canceller Evaluation
User’s Guide (under NDA)
Packet
Network
Echo
Far End
Near End
Four-Wire Side
Two-Wire Side
Voice Gateway
VDC
JB
DE
PAC
VC
PAC
JB
VDC
DE
PAC
VC
Hybrid
ECAN
Hybrid
VC-voice coder
VDC-voice decoder
PAC-packetizer
DEPAC-depacketizer
JB-jitter buffer
Echo
NETWORK ECHO CANCELLERS
PERFORMANCE
Echo Span
Data Memory
Mean Processing
Max Processing
Option
(bytes)
Load (MCPS)
Load (MCPS per
5 ms frame)
128 ms
4064 N*
2.4 N*
4.0 N*
64 ms
2784 N*
2.4 N*
4.0 N*
32 ms
2144 N*
2.4 N*
4.0 N*
24 ms
1888 N*
2.1 N*
3.7 N*
16 ms
1376 N*
1.8 N*
3.4 N*
8 ms
864 N*
1.5 N*
3.1 N*
*N is the number of channels.
Learn More: For more information about Freescale products, visit www.freescale.com.
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