CA:Conditional Access,条件接收
CATV:Cable Television/ Community Antenna TV,有线(电缆)电视/共用天线电视
CBVR:Content-Based Video Retrieval,基于内容的视频检索
CCD:Charge Coupled Device,电耦合摄像管
CDN:Content Delivery Network,内容传送网络
CIF:Common Intermediate Format,公共中间格式。关联词:FCIF、QCIF
CMMB:China Mobile Multimedia Broadcast,中国移动多媒体广播
CTX:Cosine Transfer expand,扩展的余弦变换