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[File Format] LowRatioVocoder DL : 0: 请用CAJViewer打开.本文在分析研究G729算法原理的基础上，提出了有效实现G729标准的硬件设计和几种软件优化方法。本文在对语音编解码的相关理论学习和掌握后对G729标准进行了细致地研究和深入地理解根据G729实现中对存储空间和处理器运算速度等各项性能指标的要求，选择合适芯片，设计了实现 G729编解码器的硬件平台通过对G729标准的详细分析和研究，分别提出了C语言级、编译器级和算法级的有效优化方法，通过在DSP上实现及仿真，并且根据主观评价和客观计算结果验证该算法的可行性。 -Please open CAJViewer. Based on the analysis of research G729 algorithm was proposed based on the effective realization of G729 standard hardware design and software optimization of several methods. In this paper, on the voice codec related theoretical study and master the standards of the G729 and meticulous research and in-depth understanding of the basis of G729 for the realization of storage space and processor speed of operation and other performance requirements, choose the right chip design to achieve the G729 codec hardware platforms through a detailed analysis of G729 standards and research, respectively, a C language level, the compiler-level and algorithm-level optimization method effectively, through the DSP to achieve and simulation, and based on subjective evaluation and an objective calculation algorithm to verify the feasibility.
Date : 2025-12-26 Size : 5.22mb User : 李柏锋
[File Format] 51li DL : 0: 本书通过大量系统实例精讲形式，介绍了51单片机应用系统开发的流程与方法。全书包括11章，首先讲述51系列的硬件结构、指令系统、开发过程中的常用单元、Keil 8051 C 编译器、51系统设计流程，引导读者进行基础知识学习。-Book through a lot of system instance: form, this paper introduces the 51 single-chip microcomputer application system development process and the method. Encyclopedia includes chapter 11, the first about 51 series of hardware structure, instruction system, unit is commonly used in the process of development, Keil compiler, 51 8051 C system design process, guide the readers on the basis of learning knowledge.
Date : 2025-12-26 Size : 3.32mb User : 刘凡