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Published byHugo Richard Modified over 9 years ago
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Video Production for Education & Training Bill Duff, Jr. Copyright 1999 College of Human Resources & Education West Virginia University
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Storyboarding F What is a storyboard –Process of planning a video highlighting the key points with text and visual –helps get vision across to end user –Called the “interim phase” between imagination and production
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Scriptwriting F The process of writing text for a video narration or actors performing in front of a camera –includes comprehensive visual description, notes about the tone of the presentation, suggestions for types of music, and in some cases notes about timings of particular sequences
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Video Performance Outcome F Luminance –a signal that represents the brightness of an image –Luminance is measured on a Wave Form monitor F Chrominance –the signal that describes the color-difference information –Chrominance is measured on a Vectorscope
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Elements of Video System Video source device Signal formatting Storage & transmit Un- formatting Display Analog TV Digital TV Comp camerascameras ntsc, pal, secam DTV Other digital compression VCR’s Cable Satellite Networks mass storage CD-ROM TV Receiver HDTVReceiver Digital decompression & monitor
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Production Process & Planning F Pre-production F Production F Post-production
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Production Process & Planning F Pre-production –What is the purpose of the video & target? (audience your production is designed to reach) –Project Information Gathering –Outline and Script Review –Write a script and storyboard it with script, video and audio –Shot List Preparation –Cost development, Quotation or Pricing –Production meetings
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Production Process & Planning F Production –Video Shoot u Equipment (camera, tripod, cables, tapes, lighting, mic’s, etc.) –Narration Recording (voiceover)
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Production Process & Planning F Post-production –Fixing errors –Editing –Mastering and Duplicating
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Creating Text F Graphics generators create text in order to display titles, locations, or other information over the screen that is being viewed by a process called keying.
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Creating Text Titles F character generator (CG) - create text on a television screen –software based systems, (which use a desktop computer as a platform), –dedicated equipment (built to perform one task only, in this case creating television graphics
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Designing Graphics - safe area
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Creating Text: What looks good! Mr. John Smith Director
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Creating Text: What looks good! Maria Torres Cosmetic Specialist
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Camera - Parts F Lens F Zoom F Focus F Filter F White balance F Shutter F Viewfinder F CCD’s
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Lighting Techniques F Three point lighting serves 3 functions: key lights fill lights back or background lights
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Lighting Techniques
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Characteristics of video for multimedia and web-based F How does it look? F How does it send? F How long does it take to download?
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Chromakeying F An electronic special effect technique whereby a specific color (namely green or blue) is used to identify a portion of the image that is cut out and replaced by another video source. Example: weather man.
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Elements of Video System Television Standards NTSC (National Television System Committee) SECAM (Sequential Color And Memory) PAL (Phase Alternating Line) - number of horizontal lines in the picture (525 or 625 for standard TV; 1,125 and 1,250 for HDTV) - 30 or 25 frames per second - electronic bandwidth of the signal - whether an AM- or FM-type signal is used for transmitting audio and video
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Lighting F light level is measured in foot-candles or lux. F A foot-candle is a measure of light intensity from a candle at a distance of one foot F a foot-candle is equal to about 10 lux.
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Checklist – Camera & Power supply –Tripod –Video Cables –Portable TV Monitor –Audio cables (XLR & Phono) –Microphones - 2 lavalier –Headset –Box of connectors –Videotape –Light Kit –Test charts –Extension cord –Power strip – Release Forms
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