video vocabulary Flashcards
5.1
Surround sound system with 3 speakers in the front and 2 in the rear w/subwoofer
Analog
Wave of magnetic patterns that are interpreted as video and audio to be transferred to magnetic tape
AVI
Audio Video Interleave - common format for a/v data on the PC
Aperture
Opening in the lens that controls the amount of light entering the camcorder
Aspect Ratio
Ratio of the width of the picture to the height
Green Screen
Special effect where a subject is filmed in front of a green screen and the background and be changed
Chroma Key
The process of removing the green background from the green screen
Compression
Reducing the amount of data associated with a single frame of video information. Can reduce a 1MB file to 10kb
Capture Device
A component that converts analog to digital
Cross-fade
A method of smoothly moving from 1 video clip to another
Dissolve
A video transition where one shot gradually fades out while a second shot fades in
Dolby Digital
Audio that allows the user to use lower data rates with a minimum of degraded sound quality.
FPS
frames per second on a screen
FireWire
standard high-speed transfer between the camcorder and a PC
MiniDV
popular camcorder format, cassettes hold 60-90 minutes and can be transferred to a PC with a firewire