106 Video.

STUDY
PLAY

Terms in this set (...)

Digital Video.
Moving images that have been captured, created, or continuously in the form of a wave.
Analog (Non-digital) video.
Signals transmit information continuously in the form of a wave.
Digital video signals.
Transmit information in the form of individual bits of data.
Aspect ratio.
Ratio of a video screens height dimension and width dimension; common ratios are (4:3) for standard, and (16:9) for widescreen.
Frame rate.
Method by which video picture appears on a screen measured by F.P.S (Frames per second.)
Scanning method.
Method by which video picture appears on a screen. (72p, 1080i, etc)
Interlaced.
Display half of the video picture at a time (odd lines, then even) ; alternates too quickly for human eye to notice.
Progressive.
Displays the entire video picture at all times; greatly reduces any flickering of the picture, better quality image than interlaced.
Broadcasting systems.
Different parts of the world use a variety of video broadcasting systems.
NTSC
(National Television System Committee.) - Used in North America, and many other parts of the western hemisphere.
SECAM
(Sequential Color With Memory) - used primarily in France, Northern Africa, and Russia.
PAL
(Phase Alternating Line.) - used by Europe, China, and many other parts of the Eastern Hemisphere.
Streaming Video.
Transmitting video files that can begin playing over the internet as the remaining data is still being downloaded, created littleton no wait time to begin viewing the video file. Example website that use streaming video is YouTube, Netflix, and Vimeo.
Three Phases for Producing Digital Video.
Pre-Production (define parameters of the project and make preliminary decisions.) Production. (Use camera to collect footage.) and Post-Production. (edit the footage to convey the intended message to the audience; optimize the video file for specific client needs.)
Pre-Production.
Determine the overall purpose, define the target audience, Use a storyboard, and consult with the client to write a script.
Video Hardware.
needs - computer, video camera, microphone, tripod with wheels to steady wheels, and lights.
Production
Set ip equipment, Record footage (scripted), and save the recorded video,
Video software.
captures video from the camera media and imports into the editing software and manipulates video footage and adds the desired effects to convey the intended message. (Adopt Premiere , Final cut pro , iMovie.)
Rule of thirds.
mentally dividing the frame into thirds both horizontally and vertically (similar to a tic-tac board) ; subject could occupy two thirds of the frame.
Wide shot.
shows subject and location/environment in its entirely. (ex. framing a subject from head to toe.)
Medium shot.
shows a part of the subject with more detail while still giving an impression of the location/environment. (ex. framing a subject from the waist up)
Close-Up shot.
shows a particular part of a subject with more detail. (ex. framing a subject from shoulders up.)
High angle shot.
when a camera location is above normal eye-level compared to the subject (makes the subject appear small, weak, inferior, or scared)
Low angle shot.
when camera location is below normal eye-level compared to the subject. (makes the subject appear tall, powerful, dominating, or scary.)
Dolly.
the camera physically moves toward it away from the subject to make it appear closer or further away.
Truck.
the camera physically moves horizontally (left or right).
Crane.
the camera physically moves vertically (up or down).
zoom
uses the mechanics of the cameras lens to make the subject appear closer or further away; physical location of the camera doesn't change.
Pan.
horizontally pivoting the camera left or right, physical location of the camera does not change.
Tilt.
vertically pivoting the camera up or down, the physical location of the camera does not change.
Focus.
adjusting the cameras lens settings to make the footage of the subject clear and not blurry,
White balance.
adjusting the cameras color settings to match true white; results in all other colors becoming balanced.
Iris.
adjust the cameras lens settings to allow the appropriate amount of light into the camera.
Post-Production.
Import recorded footage or gather existing footage; select, edit, and assemble the video clips, and adjust audio levels, add titles, and add transition's
.MOV
uses quicktime player for video playback and uses standard video format for Microsoft.
.AVI
standard video format for Microsoft PC's.
.WMV
uses the windows media player for video playback and Microsoft file format for streaming on the internet.
Optimize and export.
the video output file for specific client needs, including primary use of video production, and file size requirements,
.FLV
uses adobe flash player for video playback and commonly used for the embedding videos on the internet.
.MPEG-2
format used for DVD's
.MPEG-4
format used for Blu-ray discs (better quality than .MPEG-2) and the standard for streaming videos over the internet.