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Description: LPC2XXX ,IAP 通过串口，i2c，CAN总线等方式在线升级程序实例代码。-LPC2XXX ,IAP by CAN,I2C,UART
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Size: 372736 |
Author: chendf |
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Description: LWIP-UCOS-ARM完整源代码
使用LPC2106+ENC28J60作为硬件环境,在Proteus
下仿真,包含仿真电路图及完整源代码。
工程使用ADS1.2建立，重新编译时最好先删除目标文件,
否则可能会出现找不到目标文件的错误.-LWIP-UCOS-ARM full source code uses the LPC2106+ ENC28J60 as the hardware environment, under the Proteus simulation, including simulation schematics and complete source code. Works using ADS1.2 establish, re-compile-time a good idea to delete the target file, or may occur can not find the destination file error.
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Size: 1846272 |
Author: 东狮山 |
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Description: THIS THE PROGRAM THAT GIVES CODE FOR DEVLOPING BOTH TYPE OF LPC ..IN A SINGLE PROGRAMME.IT USES MATLAB.YOU CAN RUN IT BY FILE MAIN.M .-THIS IS THE PROGRAM THAT GIVES CODE FOR DEVLOPING BOTH TYPE OF LPC ..IN A SINGLE PROGRAMME.IT USES MATLAB.YOU CAN RUN IT BY FILE MAIN.M .
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Size: 290816 |
Author: SPEEED |
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Description: ZLGSD源码基础上改为LPC2368芯片MCI接口实现SD卡的读写操作,环境ADS1.2,采用单线,已编译成功.是完整工程摸版,可直接调试-ZLGSD source based on the LPC2368 chip instead MCI interface SD card, read and write operations, the environment ADS1.2, using single, has compiled successfully. Is a complete engineering touch version, can be directly commissioning
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Size: 126976 |
Author: suliling |
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Description: SPI interface for the MCP2515 CAN controller from Microchip
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Size: 35840 |
Author: bits |
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Description: lpc 线性预测分析 可以计算不同帧位和阶数的语音线性预测结果和误差-lpc linear prediction analysis, we can calculate the order of the different frames of voice-bit and Linear Prediction results and error
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Size: 60416 |
Author: mww |
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Description: 基于ARM7内核的芯片LPC2103，MP3解码芯片为VS1003，带SD卡文件系统，12864液晶，基于IAR开发环境，是ARM学习开发的好资料，也可用于DIYmp3 原理图源码齐全-Based on the ARM7 core chip LPC2103, MP3 decoder chip for the VS1003, with a SD card file system, 12864 LCD, based on the IAR development environment, is to study the development of good information on ARM, but also can be used DIYmp3 complete schematic source
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Size: 354304 |
Author: 老五 |
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Description: Speech compression using Linear Predictive Coding.
LPC is the oldest and the most basic of modern speech coders. Its a lossy scheme. Playback quality isn t preserved in the process but it can be used in low bit-rate systems.
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Size: 234496 |
Author: Ed |
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Description: Levison-Durbin 语音信号处理中的线性预测编码LPC 理论、格型滤波器以及求解现行预
测方程的算法，可以实现对语音信号重要元素的分析、合成甚至识别。
基于现有的实验平台，我们可以利用 Matlab 函数来获得几个固定语音元素（如元音）
的模型系数，LPC 得到的系数组成 IIR 滤波器。利用冲击脉冲
序列作为输入，我们就可以得到原来的语音。这是一种简单的语音合成功能。-Levison-Durbin speech signal processing in linear predictive coding LPC theory, lattice filters, as well as the current prediction equation solving algorithm, can achieve an important element of the speech signal analysis, synthesis or recognition. Based on the existing experimental platform, we can use Matlab function to obtain the number of fixed-voice elements (such as vowels) model coefficients, LPC coefficients are the composition of IIR filters. Shock pulse sequence used as input, we can get the original voice. This is a simple voice synthesis.
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Size: 283648 |
Author: Ender Lee |
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Description: 基于LPC的语音合成，可以实现变调变速功能，附带注释便于学习。-LPC-based speech synthesis, can achieve modulation speed function, annotated easy to learn.
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Size: 44032 |
Author: lifei |
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Description: 基于ZLG的代码修改的，LPC2378的IAP升级程序，对有内部FLASH的ARM7系列实用，无须自己写BOOT，直接调用接口即可。-The code changes based on ZLG' s, LPC2378 the IAP to upgrade procedures, internal FLASH of the ARM7 series of practical, no need to write your own BOOT, you can directly call the interface.
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Size: 167936 |
Author: 萝卜 |
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Description: This an driver for the CAN transceiver chip MCP2515 specifically written for the MSP430f2xxx range of microcontrollers.-This is an driver for the CAN transceiver chip MCP2515 specifically written for the MSP430f2xxx range of microcontrollers.
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Size: 6144 |
Author: Dan |
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Description: 基于LPC2210的PWM脉宽调剂实验，里面包含所有的源代码还有Proteus仿真文件。百分百可以运行-The PWM pulse width based on the LPC2210 swap experiment, which contains all the source code files are Proteus simulation. Hundred percent you can run
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Size: 57344 |
Author: 昆仑山 |
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Description: 该代码为C语言所编写的，开发环境为Keil uv2或Keil uv3。代码所实现的功能是：将自然界的声音转换成数字代码，然后通过ARM7将数据以*.mp3格式存入SD卡中，并可以回放。所需的硬件平台是NXP公司的ARM7（LPC2478）开发板一块，另外SD卡带有文件系统，是本人移植的。-The code is written in C language, development environment for Keil uv2 or Keil uv3. Code implemented functions are: the nature of the voice conversion into digital code, and then ARM7 data stored in*. mp3 format, SD card, and can playback. The hardware platform is required for NXP' s ARM7 (LPC2478) development board an additional SD card with the file system, is my transplant.
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Size: 504832 |
Author: 菜香闻 |
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Description: 了解采用计算言语清晰度指数(speech intelligibility index，SI1)实现降噪的新型计算方法
的可行性。方法通过实验室客观测试，比较不同听力损失程度和噪声强度下，开启sll降噪功能的助听器与
传统降噪设置的助听器在频阈和时阈方面输出的不同。结果sll降噪计算有别于助听器的传统降噪，运用该种
降噪方法的助听器其输出增益与使用者的听力损失程度和所处环境噪声强度密切相关，即在噪声强度相同的环
境中，听力损失程度越重，助听器输出增益的减少将越少；并且sll计算方法对环境噪声有较高的敏感度。结
论采用sll计算方法所设计的助听器降噪系统，可根据使用者的听力损失程度以及环境噪声的差异，适时地
调整降噪参数，以保证助听器的参数设置在满足使用者对于增益需求的同时兼具良好的降噪效果。-Objective To understand the rationale of implementing noise attenuation strategy using
speech intelligibility index(SII)．Methods 0bjective measures were employed to compare the outputs in
time and frequency domain at different hearing loss levels and noise intensities for hearing aids with Sll noise
reduction and those with traditional noise reduction technologies．Results W ith Sll algorithm ，the more
severe the hearing loss，the less the gain was reduced；the higher the noise levels，the more the gain reduction
occured．Conclusion The hearing aids with SI I can adjust noise reduction levels acco~ing to the degree of
hearing loss and environmental noise．This will ensure the efective noise reduction and meet the gain
demand of users
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Size: 245760 |
Author: 王华 |
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Description: 在Proteus上仿真的一个跑马灯程序，用的是LPC2138，可以调模式，加速，减速-Proteus simulation in a Marquee on the program, with the LPC2138, you can adjust mode, acceleration, deceleration
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Size: 146432 |
Author: 谢贤栋 |
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Description: 在LPC23xx上实现FIQ中断，程序中给出了FIQ中断寄存器的设置，只要按照用户要求修改对应的中断号便能实现FIQ快速中断。-To achieve the LPC23xx FIQ interrupt, the program gives the FIQ interrupt register settings, if required in accordance with the user can modify the number corresponding to interrupt FIQ fast interrupt implementation.
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Size: 107520 |
Author: 流沙 |
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Description: 周立功：TinyM0—Cortex-M0开发套件在mdk下的一个简单的例子，可以用ck100仿真-ZLG: TinyM0-Cortex-M0 development kit under the mdk a simple example, simulation can be ck100
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Size: 87040 |
Author: 郭坚 |
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Description: 在lpc2132上移植ucosii操作系统，在系统中创建两个任务，分别用于控制lpc2132的p0.0和p0.1去控制LED分时点亮。在ADS1.2编译形成hex文件，在Proteus中仿真，保证可以运行。如有bug希望同行能提出，共同探讨。QQ164216501-In lpc2132 on the transplant ucosii operating system, the system creates two tasks, one for control of the p0.0 and p0.1 lpc2132 to control the time-lit LED. ADS1.2 compiled in the formation of hex file, in the Proteus in the simulation, ensure that you can run. If colleagues want to bug proposed to explore. QQ164216501
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Size: 524288 |
Author: zhangja |
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Description: Music Coding
LPC-based codecs model the sound source to achieve good
compression.
Works well for voice.
Terrible for music.
What if you can’t model the source?
Model the limitations of the human ear.
Not all sounds in the sampled audio can actually be heard.
Analyze the audio and send only the sounds that can be heard.
Quantize more coarsely where noise will be less audible.-Music Coding
LPC-based codecs model the sound source to achieve good
compression.
Works well for voice.
Terrible for music.
What if you can’t model the source?
Model the limitations of the human ear.
Not all sounds in the sampled audio can actually be heard.
Analyze the audio and send only the sounds that can be heard.
Quantize more coarsely where noise will be less audible.
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Size: 1226752 |
Author: vidhyarthi |
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