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参数资料
| 型号： | AC162059 |
| 厂商： | Microchip Technology |
| 文件页数： | 23/152页 |
| 文件大小： | 0K |
| 描述： | HEADER INTRFC MPLAB ICD2 8/14PIN |
| 标准包装： | 1 |
| 附件类型： | 转换接头 |
| 适用于相关产品： | ICD2，PIC16F505 |
| 产品目录页面： | 658 (CN2011-ZH PDF) |
| 配用： | AC164110-ND - ADAPTER RJ-11 TO ICSP |
| 相关产品： | PIC12F509-E/MC-ND - IC PIC MCU FLASH 1KX12 8DFN PIC12F508-E/MC-ND - IC PIC MCU FLASH 512X12 8DFN PIC10F206T-I/OTDKR-ND - IC PIC MCU FLASH 512X12 SOT23-6 PIC10F204T-I/OTDKR-ND - IC PIC MCU FLASH 256X12 SOT23-6 PIC10F202T-I/OTDKR-ND - IC PIC MCU FLASH 512X12 SOT23-6 PIC10F200T-I/OTDKR-ND - IC PIC MCU FLASH 256X12 SOT23-6 XLT14SO-1-ND - SOCKET TRANSITION 14SOIC 150/208 XLT08SN-1-ND - SOCKET TRANSITION 8DIP/8SOIC PIC12F509T-I/MC-ND - IC PIC MCU FLASH 1024X12 8DFN PIC12F508T-I/MC-ND - IC PIC MCU FLASH 512X12 8DFN 更多... |
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Software
dsPIC30F Acoustic Echo Cancellation Library
The dsPIC30F Acoustic Echo Cancellation (AEC)
Library provides a function to eliminate echoes
generated in the acoustic path between a speaker and
Far End
Speech
User Application
Receive Path
Far End
Speech
a microphone. This function is useful for speech and
telephony applications in which a speaker and a
Acoustic Echo
microphone are located in close proximity to each other
and therefore, susceptible to signals propagating from
Cancellation
Adaptive
Filter
Echo
the speaker to the microphone resulting in a
perceptible and distracting echo effect at the far end. It
is especially suitable for these applications:
Near End
Speech
-
∑ +
Send Path
Near End
Speech
?
?
?
?
Hands-free Cell Phone Kits
Speakerphones
Intercoms
Teleconferencing Systems
FAR END
? Fully tested for compliance with G.167
specifications for in-car applications
NEAR END
For hands-free phones intended to be used in compact
environments, such as a car, this library is fully
compliant with the G.167 standard for acoustic echo
cancellation.
Features
? Only 2 user functions
(“ AcousticEchoCancellerInit ” and
“ AcousticEchoCanceller ”), both of which can be
called from either a ‘C’ or Assembly application
program
? Full compliance with the Microchip dsPIC30F C30
C Compiler, Assembler and Linker simple user
interface – just one library file and one header file
? Highly optimized Assembly code, utilizing DSC
instructions and advanced addressing modes
? Echo cancellation for 16, 32 or 64 ms echo delays or
? Audio Bandwidth: 0-4 kHz at 8 kHz sampling rate
? Convergence Rate: Up to 43 dB/sec., typically > 30
dB/sec.
? Echo Cancellation: Up to 50 dB, typically > 40 dB
? Can be used together with the Noise Suppression
(NS) Library, since the same processing block size
(10 ms) is used
? “dsPIC30F Acoustic Echo Cancellation Library
User ’s Guide” is provided to help the user
understand and use the library
? Demo application source code is provided with the
library. Accessory kit available for purchase includes:
an audio cable, headset, oscillators, microphone,
speaker, DB9 M/F RS-232 cable and DB9M-DB9M
Null Modem Adapter and can be used for library
evaluation
? Contact Microchip sales for FREE evaluation
samples
‘tail lengths’ (configurable)
Ordering Information:
SW300060-EVAL dsPIC30F Acoustic Echo Cancellation Library Software License (Evaluation Copy)
SW300060-5K
dsPIC30F Acoustic Echo Cancellation Library Software License (Up to 5K units)
SW300060-25K dsPIC30F Acoustic Echo Cancellation Library Software License (5K to 25K units)
SW300060-100K dsPIC30F Acoustic Echo Cancellation Library Software License (25K to 100K units)
AC300030
DS70123
Accessory Kit (includes: audio cable, headset, oscillators, microphone, speaker,
M/F RS-232 cable, DB9M-DB9M Null Modem Adapter)
“dsPIC30F Acoustic Echo Cancellation Library Product Overview”
(Available at: www.microchip.com)
? 2005 Microchip Technology Inc.
DS30177T-page 17
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AC162059 | 制造商:Microchip Technology Inc 功能描述:IC Sockets Adapter For Use Wit |
| AC162060 | 功能描述:插座和适配器 ICD 2 Header Intrfce RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| AC162061 | 功能描述:插座和适配器 ICD 2 Header Intrfce RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| AC162062 | 功能描述:插座和适配器 ICD 2 Header Intrfce RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| AC162064 | 功能描述:插座和适配器 MPLAB ICD 2 64 80 RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
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