IT152_Lecture_11_Video_2013a Flashcards

Question

Quality of video on DVD is clear and sharp but due to difficulties with editing the MPEG-2 data stream, they are not...?

Answer 1

widely used in professional settings.

Answer 2

recording.

Answer 3

higher resolution than standard-definition (SD) video, and most commonly involves display resolutions of 1,280×720 pixels (720p) or 1,920×1,080 pixels (1080i/1080p).

Answer 4

- Use video when and where it is appropriate - Keep your audience and delivery method in mind when designing video for a Web page - Sound and Video clips should match or complement one another - Keep video files at an appropriate size so they can be played on standard equipment to reach a wider audience; 1 sec. of uncompressed video = 24MB - Use high-quality video footage that lends a professional feel to Web site - Set up your video files to go with the graphic, animation, sound elements

Answer 5

Speed at which the video is recorded.

Answer 6

Speed at which individual frames display.

Answer 7

- “A numeric value that specifies the number of video frames displayed in quick succession for each elapsed second of playing video.” - 12-24fps needed to deceive the human eye otherwise appear ‘choppy’ - TV = 30 fps (NTSC rounded) or 25 fps PAL - The greater the frame rate the better the quality and the bigger the file size. IMAX = 60fps

Answer 8

horizontal – how many scan lines make up the picture and is a measure of video quality

Answer 9

- Aspect ratio: Ratio of width to height in the dimensions of a frame - The frame size for playing video is expressed in horizontal and vertical pixel dimensions such as 800 by 600 pixels - Bit depth: Number of bits used to describe the color of a single pixel

Answer 10

size of the file.

Answer 11

Web-based video delivery.

Answer 12

- Video footage is acquired, - Record, and digitized if needed - Import the clips into video editing program. Settings: frame size, output file type, compression format, resolution - Delivery and display the final video

Answer 13

- Involves visualizing and sketching each scene on a storyboard - Scripts serve as the story that will be told with the video camera - A flowchart specifies where video will be included based on choices selected by the user

Answer 14

- Process video after it is captured - In most video editing programs, several different tracks are used to store video information - Timecode track used to synchronize all of the components - Society of Motion Picture and Television Engineers (SMPTE) measures video in hours, minutes, seconds, and frames - Video on the Web can either be downloaded or streamed - After video has been successfully recorded, digitized, and processed it is ready to be incorporated into a Web site - If you plan to stream the video from the server, you will need to post your Web site with a Web hosting company that supports streaming

Answer 15

- Award-winning software solutions for editing and compositing video for Web - Adobe Premiere: affordable, highly rated, non-linear, video-editing program - Premiere based on open architecture; designed to be compatible with numerous software programs, extensions, and file formats

Answer 16

- Compositing software program full of tools that can help create special effects for Adobe Premiere projects - Adobe After Effects can combine an unlimited number of layers from files imported from a variety of other graphics and animation programs

Answer 17

- Software-based, video-editing system - Provides a comprehensive, flexible, integrated set of media services to creators/developers working with video - Work with a variety of different audio, video, and image formats

Answer 18

- Video-editing package - Using familiar drag and drop, copy, cut, and paste functions, use iMovie to trim unwanted footage and to arrange video clips in any sequence