Computer Science 1033A/B Lecture Notes - Pixel Aspect Ratio, High-Definition Television, Tv Tuner Card

• School: Western University
• Department: Computer Science
• Course: Computer Science 1033A/B
• Professor: Pamela Glatt

Document Summary

What is video? succession: q: what is each still image called, frame. Frames per second: movies 24 to 30 fps, computer displayed video 12 to 15 fps digital video each frame is a bitmapped graphic, stored as 0s and 1s. How did the original tv display work: our eyes see phosphor dots on the screen an electron beam (gun) activates the dots. Displaying digital video can display video on: computer -> don"t need to worry about ntsc standards, tv, dv not all digital video must conform to ntsc standards. Displaying digital video on a computer: (4:3, 640 x 480, 320 x 240 -->this size is good for ipods. Usually use: camcorders if we use an: analog camcorder: we must convert it to digital before we can put it on our computer to edit. To convert analog video to digital video we need a video capture card: digital video camcorder: no need to convert.