Glencoe Introduction to Multimedia Chapter 9 Video 1 Chapter Video 9  Section 9.1 Video in Multimedia  Section 9.2 Work with Video Contents

Glencoe Introduction to Multimedia Chapter 9 Video 2 Section 9.1 Video in Multimedia Video plays many roles in multimedia. Using video effectively in multimedia requires and understanding of its technology, including video quality, file size, and file format.

Glencoe Introduction to Multimedia Chapter 9 Video 3 Use Video in Multimedia Find Video on the Internet Ethical principles apply to downloading, copying, and sharing copyrighted video. Also, you must provide a credit for any video you did not create yourself. Some sources of video available on the Internet are: Online music storesYouTube Search EnginesHulu

Glencoe Introduction to Multimedia Chapter 9 Video 4 Record Your Own Video You can also create your own video. To create your own video, follow these steps: 1.Write a script. 2.Create a storyboard. 3.Use a video camera to create clips. 4.Digitize video, if necessary. 5.Save the files on a computer. 6.Use video editing software to edit video and audio into a single presentation.

Glencoe Introduction to Multimedia Chapter 9 Video 5 Use Video Appropriately You must decide how to best use video to help meet your overall goals. To make video accessible to people with visual impairments, provide auditory descriptions for visual information.

Glencoe Introduction to Multimedia Chapter 9 Video 6 Use Video in Multimedia What are some ways to find video on the Internet? Some ways to find video on the Internet include online music stores, YouTube, search engines, and Hulu.

Glencoe Introduction to Multimedia Chapter 9 Video 7 Types of Video in Multimedia The role of the video will help determine the type of the video you should include. Types Details Clip Simulation Broadcast Segment or short video Explore scenarios impossible in real life Real-time or delayed transmission

Glencoe Introduction to Multimedia Chapter 9 Video 8 Types of Video in Multimedia What is a vlog? A vlog, or video blog, mainly publishes video clips.

Glencoe Introduction to Multimedia Chapter 9 Video 9 Video Technology Video quality is determined by the resolution, capturing, canvas size, and color depth. DetailsFactor High frame rate = high quality = large file size Resolution Capturing Canvas size Digital or analog Enlarging beyond intended size will cause distortion Color depthHigher color depth = more lifelike appearance

Glencoe Introduction to Multimedia Chapter 9 Video 10 Streaming Video Streaming video gives the viewer a sense of a faster download time because the entire file does not have to be downloaded to begin playing. A certain amount of streamed data is buffered by the client’s computer before playback begins. Non-Streaming Video Sometimes video must be downloaded first and played back from local storage media.

Glencoe Introduction to Multimedia Chapter 9 Video 11 Video File Formats A video file’s format determines which program can open it, how much space it needs on a disk, and how fast it can travels over the Internet.

Glencoe Introduction to Multimedia Chapter 9 Video 12 File Size Video files can become large very quickly, so identify your audience and delivery method before preparing video for a multimedia project. Ask these questions: Will you be streaming across the Internet? Consider sacrificing a little quality to make the size smaller. Will the file be incorproated into a self- running CD or DVD? If so, file size is not as important.

Glencoe Introduction to Multimedia Chapter 9 Video 13 Video Technology What is the role of buffering in streaming video? Buffering helps the video play smoothly if the transfer of data from the server fluctuates.

Glencoe Introduction to Multimedia Chapter 9 Video 14 Section 9.2 Edit Video In order to use video in your multimedia project, you must have the proper hardware and software, and know how to use it correctly.

Glencoe Introduction to Multimedia Chapter 9 Video 15 Video Hardware The devices for recording and digitizing video include cameras, production equipment, capture cards, and tuner cards. Video might be captured using any of three different types of cameras. Professional: record electronically with higher quality and control than consumer models. Camcorders: analog or digital; quality varies. Webcam: low-end digital camera that continuously broadcasts real-time video.

Glencoe Introduction to Multimedia Chapter 9 Video 16 Video Hardware Depending on how complex your production is, you might also need the following in addition to a camera: Tapes, camera lenses, tripods, lights, microphones, power sources, batteries, and a green screen. A video capture card converts analog video to digital format. A video tuner cards lets a computer receive cable, aerial, or satellite signals.

Glencoe Introduction to Multimedia Chapter 9 Video 17 Video Hardware Identify scenarios for when you would use professional video cameras, camcorders, and Webcams. A professional video camera might be used when working in a studio, a camcorder might be used for capturing recorded clips while you are outside a studio, and a Webcam may be used for a live feed from a particular place.

Glencoe Introduction to Multimedia Chapter 9 Video 18 Video Software Numerous applications are available for viewing video.

Glencoe Introduction to Multimedia Chapter 9 Video 19 Video Editing Software You can use specialized software to edit digital video that has been uploaded from a video camera or legally downloaded from the Internet, or analog video that has been digitized. Some of the modifications you can make to your footage include: Change size or frame rate Add narrationModify color and contrast Integrate still photographs Edit and synch audio clips

Glencoe Introduction to Multimedia Chapter 9 Video 20 Video Software What is footage? Footage is the raw scenes from a video camera, prior to editing.

Glencoe Introduction to Multimedia Chapter 9 Video 21 Chapter Summary Video enhances some of the most common applications of multimedia, such as simulations, clips, and broadcasts. There are a number of sources for video on the Internet, such as online music stores and YouTube. Most video found on the Internet is protected by copyright laws. A video’s quality is dependent on its resolution and frame rate.

Glencoe Introduction to Multimedia Chapter 9 Video 22 Chapter Summary Streaming video allows you to view a multimedia file without having to store it on your computer’s hard drive. Equipment needed for working with video includes cameras, production equipment, capture cards, and tuner cards. There are different types of cameras to choose from to meet different needs. Video software can be broken down into programs for viewing video and programs for editing video, but their features may overlap.