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《数字电视中心技术》
数字电视中心技术
作者:张琦
译者:
开本:16开
ISBN:781004935
出版社:北京广播学院出版社
出版日期:2004-1-6
装帧:精装
书夫曼编号:899156
原价: 49
普通会员:45.82  一星会员:44.45
二星会员:43.53  三星会员:42.61

内容简介
  本书较全面的介绍了数字电视中心的基础知识和技术原理、主要设备的原理和制播系统的构成。本书内容包括:数字视频信号的产生、传输接口、信号标准、数字分量和数字复合信号的特性参数及测量方法、数字视频信号的压缩编码、数字音频基础、数字音频压缩技术、与数字电视中心有关的网络基础知识以及存储器和服务器的工作原理,最后二章还介绍了非线性编辑系统、非线性制播系统,演播室节目制作系统、自动硬盘播出系统和虚拟演播室。本书可供广播电视工程技术人员以及从事数字视频设备的生产、推广和应用人员参考,也可作为大专院校有关专业的教材。

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目录

目        录  第一章数字视频基础                                      第一节抽样                                      一.  抽样                                      二.  模拟信号的恢复                                      三.  抽样频率的选择原则                                      四.  数字分量信号的样点结构                                      第二节量化                                      一.  量化过程                                      二.  量化噪声                                      三.  D/A变换器的输出                                      第三节数字复合信号标准                                      一.  4fscNTSC数字复合视频标准                                      二.  4fscPAL数字复合视频标准                                      三.  数字复合设备的特性参数和测试原理                                      四.  数字复合信号的并行传输                                      第四节数字分量信号标准                                      一.  各分量信号的抽样比例                                      二.  对抽样频率和滤波特性的规定                                      三.  量化范围的规定                                      四.  4:2:2标准抽样点的行场定时关系                                      五.  亮度和色差数据的时分复用                                      六.  定时基准信号  TRS                                        第五节辅助数据的插入                                      一.  辅助数据  ANC  的应用                                      二.  辅助数据的插入位置                                      第六节比特并行4:2:2数字信号传输方式                                      一.  接插件                                      二.  信号协议                                      三.  电接口的特性                                      第七节4:2:2标准的16/9与4/3宽高比的关系                                      一.  保持相同水平分辨率的16/9和4/3                                      二.  保持抽样频率相同的16/9和4/3                                      第八节数字分量岛的特性及其测试信号                                      一.  数字分量岛的主要特性                                      二.  数字分量岛用的测试信号                                      三.  理想的亮度通路带宽.  每个有效行的可辨像素数与水平分辨率的关系                                      四.  数字分量信号的合法  Legal  和有效  Valid  问题                                      第二章串行数字信号的传输和数据复用                                      第一节串行数字信号传输系统                                      一.  串行传输模型                                      二.  通道容量                                      三.  通道编码                                      第二节眼图的形成                                      第三节串行数字信号传输标准                                      一.  串行接口的通用电气特性                                      二.  抖动的规定                                      三.  串行数字复合信号的传输                                      四.  4:2:2串行数字分量信号的传输                                      第四节4:2:2串行数字分量信号的特性参数及测量                                      一.  发送端参数的测量                                      二.  传输媒体的参数测量                                      三.  接收端参数的测量                                      四.  特殊测试信号                                      第五节数字音频复用                                      一.  最低实施标准                                      二.  全AES实施标准                                      三.  数字音频插入电路                                      四.  音频解复用器                                      第六节系统考虑                                      第七节串行数字传输接口——SDTI                                      一.  SDTI接口的用途                                      二.  SDTI的信号格式及一般规定                                      三.  包头的数据包结构                                      四.  净负荷  用户数据  格式                                      第三章视频压缩编码                                      第一节预测编码                                      一.  差分脉冲编码调制的基本原理  DPCM                                        二.  帧内预测编码                                      三.  帧间预测                                      四.  MPEG编码中的运动估计                                      五.  量化与编码                                      第二节统计编码                                      一.  熵编码                                      二.  霍夫曼  Huffman  编码                                      三.  双字长编码                                      四.  游程编码                                      五.  算术编码  ArithmeticCoding                                        第三节子带编码  SubbandCoding                                        一.  子带编码原理                                      二.  抽样频率的转换                                      三.  正交镜象滤波器  QuadratureMirrorFilter                                        第四节变换编码                                      一.  变换编码系统                                      二.  正交变换的矩阵表示                                      三.  DCT变换                                      四.  DCT系数的量化                                      五.  DCT编码系统                                      六.  解码过程                                      第五节H.  261建议                                      一.  H.  261的主要技术规定                                      二.  压缩数据的分层                                      三.  数据复用结构                                      四.  H.  261编码算法                                      五.  H.  263建议                                      第六节MPEG—1标准                                      一.  MPEG的视频数据流结构                                      二.  MPEG视频码流的组成                                      三.  MPEG—1标准的视频编码器                                      四.  MPEG—1标准的视频解码器                                      第七节MPEG—2标准                                      一.  MPEG—2标准中的类和级                                      二.  视频压缩的规定                                      三.  MPEG—2的系统传输层                                      第八节MPEG—4标准                                      一.  概述                                      二.  MPEG—4的编码对象                                      三.  MPEG—4系统和DMIF  DeliveryMulti—media  Integration  Framework  框架                                      四.  MPEG—4视频编码                                      第四章数字音频技术                                      第一节声学基础                                      一.  声压级                                      二.  响度和响度级                                      三.  人耳听觉动态范围和频谱分辨率                                      第二节模拟音频基础                                      一.  信号电子和测量单位                                      二.  典型信号电平和阻抗                                      三.  信号电平监测                                      四.  性能参数和测量问题                                      五.  噪声                                      六.  动态范围                                      第三节数字音频基础                                      一.  数字音频的基本概念                                      二.  A/D转换原理                                      三.  D/A转换原理                                      四.  通道编码调制                                      五.  AES/EBU接口协议                                      六.  数字音频接口规范                                      七.  数字音频信号馈送                                      八.  其它接口协议格式                                      九.  音频同步                                      十.  数字音频记录                                      第四节数字音频压缩技术                                      一.  压缩与入耳听觉特性                                      二.  音频压缩技术概述                                      三.  感知编码处理技术                                      四.  音频压缩标准                                      第五章数字摄像机的信号处理                                      第一节数字信号处理摄像机的组成                                      一.  模拟信号处理部分                                      二.  数字信号处理部分                                      三.  视频信号处理放大器各部分的作用                                      第二节摄像机数字信号处理的要求和特点                                      一.  数字信号处理的要求                                      二.  数字信号处理的主要特点                                      第三节主要数字信号处理电路                                      一.  数字轮廓校正电路                                      二.  数字伽码  r  校正电路                                      三.  高亮度区色度保真电路                                      四.  宽高比变换电路                                      五.  数字钳位电路                                      六.  数字降噪电路                                      第四节控制系统和数字信号处理系统                                      一.  控制系统                                      二.  数字信号处理系统                                      第六章数字录像机                                      第一节数字录像机主要格式的技术特点                                      一.  D—1格式                                      二.  D—2格式                                      三.  D—3格式                                      四.  D—5格式                                      五.  D—Betacam格式                                      六.  DV格式                                      七.  Digital—S格式                                      八.  DVCPRO格式                                      九.  Betacam—SX格式                                      十.  DVCAM格式                                      第二节数字录像机中的几项关键技术                                      一.  提高记录密度解决数据率增加的问题                                      二.  误码纠正与修正  掩错  技术                                      三.  数据交织技术                                      四.  通道编码  调制  技术                                      五.  记录电流佳化技术                                      六.  录放通道的传输特性设计                                      第七章视频切换台                                      第一节概述                                      一.  视频切换台的基本概念                                      二.  视频切换台的基本构成                                      第二节视频切换原理                                      一.  快切                                      二.  混合                                      三.  划像                                      四.  键控特技                                      五.  下游键                                      六.  其它                                      第三节视频切换台的功能特性                                      一.  实用的视频切换台举例                                      二.  视频切换台的实际应用                                      三.  视频切换台的功能特性                                      第八章数字视频特技                                      第一节概述                                      第二节图像变换原理                                      一.  二维特技变换原理                                      二.  三维特技变换原理                                      三.  数据控制特技                                      四.  其它特技效果                                      第三节三维数字特技的工作原理                                      一.  输入.  输出处理系统                                      二.  特技变换的数字处理系统                                      三.  特技控制系统                                      第四节多通道特技及特技制作系统                                      一.  多通道特技                                      二.  数字特技的功能                                      三.  数字特技制作系统                                      第九章视音频矩阵                                      第一节矩阵系统                                      一.  矩阵的用途                                      二.  矩阵系统的组成                                      三.  矩阵切换器的特性参数                                      第二节矩阵切换器的电路结构                                      一.  矩阵切换器的电路组成                                      二.  控制系统                                      第三节矩阵切换器的自动数字视频电缆均衡电路                                      第四节小型矩阵的设计                                      第五节独立的开关矩阵控制系统                                      一.  系统概述                                      二.  矩阵控制器的组成                                      三.  新型操作板                                      第十章网络基础知识                                      第一节引言                                      一.  计算机网络的概念                                      二.  计算机网络的分类                                      第二节数据通信基本原理                                      一.  数据通信系统模型                                      二.  数据通信过程                                      三.  数据传输方式和交换方式                                      第三节计算机网络拓扑结构                                      一.  总线网络                                      二.  环形网络                                      三.  星形网络                                      四.  树形网络                                      五.  分布式网络                                      第四节网络体系结构及协议                                      一.  基本概念                                      二.  开放系统互连OSI模型                                      第五节局域网络的组成                                      一.  网络操作系统                                      二.  工作站                                      三.  网络服务器                                      四.  网络接口卡                                      五.  网间连接器                                      六.  网络电缆                                      第十一章高速网络技术                                      第一节以太网                                      一.  100Base—T快速以太网                                      二.  100VG—AnyLAN  VoiceGrade                                        三.  千兆位以太网  GigabitEthernet                                        第二节光纤分布式数据接口  FDDI                                        一.  FDDI网络体系结构                                      二.  FDDI-的工作原理及特性                                      三.  FDDI  II                                      第三节ATM  异步传输模式                                        一.  ATM基本概念                                      二.  ATM的特点                                      三.  ATM参考模型                                      四.  ATM复用                                      五.  ATM的拥塞管理                                      六.  服务质量  QoS                                        第四节光纤通道                                      一.  光纤通道的概念                                      二.  通道.  网络和光纤通道                                      三.  光纤通道标准                                      四.  光纤通道的基本构成                                      五.  光纤通道拓扑结构                                      六.  光纤通道的服务类型                                      七.  光纤通道的效能和发展趋势                                      第五节视频信号对网络的服务质量要求                                      一.  视频质量要求                                      二.  满足服务要求的视频质量                                      第十二章视频服务器                                      第一节视频服务器概述                                      第二节视频服务器的构成                                      一.  视频点播用视频服务器的组成                                      二.  硬盘式视频服务器                                      第三节视频服务器中采用的技术                                      一.  硬盘技术                                      二.  硬盘阵列                                      三.  存储容量的扩充                                      四.  适用于视频服务器的磁盘驱动器                                      五.  其它存储技术                                      第四节视频服务器的应用                                      一.  视频服务器的性能                                      二.  视频服务器应用举例                                      第十三章非线性编辑系统                                      第一节概述                                      一.  系统构成和技术背景                                      二.  产品分类                                      第二节非线性编辑系统的硬件结构                                      一.  计算机平台                                      二.  视音频处理子系统                                      三.  存储介质                                      第三节非线性编辑系统的软件结构                                      一.  系统软件平台                                      二.  非线性编辑应用软件                                      第四节接口和网络                                      一.  视频网络的性能要求                                      二.  IEEEl394串行高速接口总线                                      三.  以太网                                      四.  FibreChannel组网方案                                      第十四章数字电视中心系统                                      第一节概述                                      一.  数字演播室的现状                                      二.  数字演播室的特点                                      第二节传统的节目制作系统                                      一.  电视中心台的功能                                      二.  演播室节目制作的视频系统例                                      第三节新闻中心节目制作播出网络                                      一.  新闻中心信息网络系统                                      二.  新闻制播网络的构成                                      第四节数字电视播出系统                                      一.  硬盘阵列自动播出的技术特点                                      二.  基于视频服务器的多频道播出系统例                                      第五节虚拟演播室系统                                      一.  虚拟演播室及其优点                                      二.  虚拟演播室的主要技术                                      三.  虚拟演播室的其它技术要求                                      四.  虚拟演播室的构成                                      五.  二维与三维虚拟演播室的区别                                      六.  具有网络功能的虚拟演播室系统


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