论文部分内容阅读
1.什么是VCD VCD(Video Compact Disc)意为视频光盘,它是将活动图像(电视、电影)和声音信号按照国际统一标准处理压缩后用数码的形式记录在直径12cm聚碳酯圆盘上。由于是用激光拾取信号,所以称为光盘。它是
1. What is a VCD? VCD (Video Compact Disc) means a video disc, which is a moving picture (TV, movie) and sound signal processing in accordance with international standards Compressed and recorded in digital form 12cm diameter polycarbonate disc . Because it is a laser pick-up signal, so called CD-ROM. it is