Multimedia Chapters 7&8
Card Set Information
Multimedia Chapters 7&8
An object seen by the human eye remains chemically mapped on the retina for a brief time after viewing.
Persistance of viewing
The human mind needs to conceptually complete a perceived action.
To make an object travel across the screen while it changes its shape, just....
Translate it a few pixels for each frame.
The animation technique made famous by Disney; showing a different image for each frame
The first and last frames of an action
Process of drawing the frames inbetween the first and last
Special methods that allow images to blend to produce transparencies, inversions, and special f/x
Study of movement and motion of structures
One image transforms into another
Most authoring packages include what visual effects?
Wipes, fades, zooms, and dissolves
The term cel derives from...
The clear celluloid sheets that were used for drawing each frame
Movies on film are typically shot at a rate of...
24 frames per second
Clear sheets used for animation have been replaced by...
Today's computer animation programs most closely resemble...
traditional cel animation
One major technical limitation in animation is...
The computer's processing ability
Animation may be jerky if each frame is shown for more than...
1/15th of a second
Linking objects together and defining their relationship (hands to arms, elbows cannot bend backwards)
to create a smooth transition when morphing, there must be numerous...
What is the standard frame rate of computer animations
depends on the file's settings
Most widely used tool for creating vector-based animations
Director file format has which extension?
.dir and .dcr
File format most widely supported for web animations
Flash uses this to keep the post-compression file size at absolute minimums
Hard-disk system that supports high-speed data transfer rates
RAID (Redudant Array of Independent Disks)
Television signal format used in US and most countries
NTSC (National Television Standards Committee)
Technique that builds a single frame from two fields to help prevent flicker
keep critical text and graphics inside this on the image
Safe title area
Technique in which playback starts when enough data has transfered to the player's computer
TV signal format used in France, Russia, and few other countries
SECAM (Sequential Color and Memory)
Schemes that compress a video for delivery and then decode it during playback
Interleaving audio and video segments and putting all info in one file (Quicktime movie on CD or website)
Length of time it takes for the CD-ROM player to locate data on the disk
Codec in AVI and Quicktime and is optimized for CD-ROM playback
CCD stands for... (sensor that picks up light)
Monitor output is calibrated to display an image that....
Removing a residual magnetic field that distirts the colors on a TV screen
A video signal transmitted with all the signals mixed together on a single cable
Technique of drawing the lines of an entire frame in a single pass
What is an example of videotape format?
When does generation loss occur?
an analog tape is copied to another analog tape
What does MPEG stand for?
Moving Picture Expert Group