Design and Implementation of a Monitor and Transmission System of Digital TV Transport Stream Based on USB Technology 基于USB接口的数字电视码流监测及传输系统设计与实现
Design of digital CATV transport stream re-multiplexer in modualr parallel structure 模块化并行结构数字有线电视传输流再复用器设计
The transition between a pit and a land corresponds to a1 in the digital bit stream. 一个凹坑和一个平台之间的转换,在数字比特流中对应一个1。
Real-time bit rate transform system of digital TV transmission stream 数字电视传输流的实时码率变换系统
The allocation of an identifier to a digital stream is defined by an allocation table and can vary over time, in such a way as to enable dynamic multiplexing. 标识符与数字流之间的分配关系由一个分配表定义并且能够随时间而变化,由此允许进行动态复用。
IP Camera is a kind of camera that can product and transmit digital video stream via lineate or wireless network, but there is a few of cases of it's application in China. 网络摄像机是一种可产生数字视频流并将视频流通过有线或无线网络进行传输的摄像机,但在中国还应用较少。
Digital Stream RT Video Server Broadcasting System with the Software Coding Technology and IO Channel 采用软件编解码技术和IO通道卡的数字StreamRT视频服务器播出系统
Ethernet prior configuration guarantees QoS of digital video stream; 用以太网的优先级设置保证数字视频流的服务质量;
This paper analyses the procedure of designing the MP3 player under SOC-CDE environment, constructs a virtual component library based on digital stream application, and then elaborate on the methods and steps of creating a new virtual component as the examples of memory and USB controller. 分析了基于SOC-CDE环境进行MP3播放器设计的流程,构建了基于数字流媒体应用的虚部件库;并以存储器虚部件和USB控制器虚部件为例,详细说明了虚部件单元设计的方法和步骤。
Firstly, a proper scheme is successfully advanced to collect real-time digital traffic video stream automatically, which is based on the cooperation of video-collecting card and vidicon equipped with color CCD camera with high differentiation ratio. 首先,设计了适当的方案,通过携带高分辨率CCD摄像头的摄像机和视频捕获卡实现对动态交通视频流的实时自动采集;
The work flow of the solution in detail, the function and principle of components, such as the external memory interface, the module of multi-voltage power supply and monitoring, the transport and control of digital video data stream are presented. 文中详细叙述了系统工作流程、外接存储器接口设计、多电压供电电源模块设计与监测、视频数据流的传输与控制等组成单元的功能、原理。
Implementation of PCR in MPEG-2 digital video broadcasting transport stream MPEG-2数字视频广播传输流中节目参考时钟的处理
Study on information hiding technique based on chaos digital stream 一种基于混沌数字流的信息隐藏技术研究
Digital Television Transportation Stream ( TS) Network Gathering System Based on NDK 基于NDK的数字电视传输流(TS)网络采集系统
Construct a virtual component library based on digital stream application. 构建了基于数字流媒体应用的虚部件库。
The function, principle, and system architecture of digital image stream disk system is discussed. The test results of the system performance are used to conclude the rule of the saving rate of the system. 本文介绍了数字图像实时流盘系统的功能、工作原理以及系统构成,并根据对系统性能测试的结果,给出了系统存盘速率的变化规律。
EPG and specific service information of digital video broadcasting stream DVB码流中的EPG与专用业务信息
An analog video was compressed to digital stream with constant bit rate ( 4-8Mbit/ s) using MPEG-2 standard. The stream was transported to decompressed side to recovery the original picture by multiple E1 inverse multiplexing. 该方案中视频图像经过MPEG2标准压缩生成恒定速率(4~8Mbit/s)的数字码流,采用多E1反向复用技术将其传送到视频解码端还原。
Realization of Digital Image Stream Disk System 数字图像实时流盘系统的实现
In order to simplify the satellite digital TV code stream transmitter ′ s design and descend its cost, a system design based on FPGA is proposed. 为了简化数字卫星码流转发器的设计和降低其物理成本,提出了一种基于FPGA实现同步传输流转化为异步串行流的设计方案。
The first IPTV license has been granted by China government, it indicates the application of digital TV and stream media opens the way to great development, in addition the coming 3G period, the multimedia communication becomes people's hottest expect. 中国已于最近发放了第一张IPTV牌照,这将有力地促进数字电视和流媒体等多媒体应用市场的快速发展,再加上即将启动的3G应用,人们对多媒体数据业务的广阔发展前景充满期待。
Application of FPGA in the Design of Satellite Digital TV Code Stream Transmitter FPGA在卫星数字电视码流转发器设计中的应用
A implementation of classified rights management scheme is proposed in this paper, it was used in Encryption software based on logistic mapped digital stream chaos. 本文提出一种基于logistic映射数字流混沌加密的权限管理方案,并应用于《基于logistic映射数字流混沌的信息加密软件》中。
Video decode module used the method of identification the digital video data stream to acquire the image data and then stored them in the frame memory. 视频解码模块采用对视频流数据识别的方法获得图像数据,然后送入帧存储器。
Scrambling Mechanism of Digital Broadcasting Stream 数字广播中数据流的加扰过程
Therefore, channel coding through this part of the digital stream corresponding treatment, the system has some error correction capability and anti-jamming capability, can greatly avoid the error code in the occurrence of streaming. 所以通过信道编码这一环节,对数码流进行相应的处理,使系统具有一定的纠错能力和抗干扰能力,可极大地避免码流传送中误码的发生。
TS data stream is commonly used in digital television stream standard. The data stream can be compressed audio and video data, and can also be other relevant data. TS数据流是数字电视领域普遍使用的码流格式,该数据流可以是压缩后的音视频数据,也可以是其他相关数据。
Firstly, the author learns the monitoring standards and contents of Digital TV Transport Stream, then studies the standards of the MPEG-2 system layer. 首先,对数字电视传输流的监测标准规范和监测内容进行学习;然后对MPEG-2系统层标准进行了深入的研究。
Compared with traditional serial transmission mode, OFDM systems obtain many advantages through dividing the entire channel into many narrow sub-channel and transmitting digital stream in parallel. 与传统的串行体制相比,通过把一个串行传输的高速数据流转化到多个低速率的并行信道上,OFDM系统可以获得许多优良特性。
The variable isochrones based on digital stream networks, can overcome the defect in traditional isochrones method, which assumes that flow velocity is even on the whole watershed. The influence of rainfall and watershed topography on flow routing can be both considered in the variable isochrones. 在数字水系基础上推求的变等流时线,避免了传统等流时线假设流速在全流域均匀分布的缺陷,综合考虑了地形和降雨空间分布的差异性对汇流流速的影响。