视频DV记录格式及其帧内压缩原理  

DV record format and the principle of frame data compression

作　　者：邓周虎[1] 张首君[1] 阎丽[1] 种兰祥[1] 

机构地区：[1]西北大学电子科学系,陕西西安710069

出　　处：《西北大学学报（自然科学版）》2005年第1期48-52,62,共6页Journal of Northwest University（Natural Science Edition）

摘　　要：目的　了解数字视频信号的分量记录格式基础———DV记录格式及其帧内压缩原理。方法讨论视频分量信号的DV记录格式及DVCAM和DVCPRO记录格式的采样方法、采样频率及亮度信号的组成特点。结果　选择主流记录格式,保证了所选视频记录设备的系统性、开放性和兼容性。结论　降低运行成本,保证视频记录质量。Aim To find out the base of component track record format of the digital video signal, the DV-record format and the compressed principle in a single frame.Methods Discussing the DV-record format of the video component signal technique, sampling frequency and brightness signal for the DVCAM and DVCPRO record format.Results Selecting the popular record format, to quarantee system, opening and compatibility of the video record format.Conclusion The running cost was decreased and the video record quality was guaranteed.

关 键 词：分量信号 帧内压缩 宏块交错 离散余弦变换 可变长编码 

分 类 号：TM938.6[电气工程—电力电子与电力传动]