多格式混编环境下视频制作的常见问题  

Several Problems of Video Production for Multi-format Hybrid Editing Environment

作　　者：于援东[1] 

机构地区：[1]苏州科技学院,江苏苏州215009

出　　处：《电视技术》2010年第8期36-38,53,共4页Video Engineering

摘　　要：多格式混编环境下的视频制作面临着包括应用域标准、视频压缩编码格式选择和工作流程优化等诸多技术问题。在对当今数字视频主流应用实例及其技术参数进行分析的基础上,就这些问题进行讨论。内容涉及在不同应用阶段对视频质量冗余的控制要求和相应的编码参数配置策略,以及对混编环境下视频制作系统架构问题的思考。In the environment of multi-format hybrid editing,video production has several problems such as the standard of application domain,the chosen of video compression encoded format and the optimization of working procedure.This article is based on the analysis of digital video mainstream applications and its technical parameters.Firstly,the control and the requirement of quality redundancy in the use of digital video at different stages are discussed.After that,the corresponding encode parameter is introduced.In the end,the system architecture for video production in the hybrid editing is considered.

关 键 词：电视标准 通用图像格式 视频压缩优化 多格式混编 

分 类 号：TN949.197[电子电信—信号与信息处理]