![]() ![]() So the term format really just means a container of encoded video, which may or may not be itself. For example, a QuickTime Movie.MOV file may contain a H.264 or MPEG-2 encoded video. Encoding refers to how analogue video images are digitized (using a codec), whereas format usually refers to how digitized images are organized in a file. It is a confusing term because it can mean either its encoding or its file format. Encoding The term most often used to describe what kind of digital video you are using is format. This will most likely be determined for you by the source material. Aspect Ratio Technology 4:3 Analogue TV, VCD, DVD, LCD, SDTV 16:9 HDTV, UHDTV VIDEOPAD_WORKSHOP_EN.DOCX of 18ģ Two aspect ratios compared with images using the same height (vertical size): 4:3 (1.33:1) 16:9 (1.77:1) When starting a video editing project, the first things you will decide are the image resolution and aspect ratio. Typically, you will come across just two: 4:3 and 16:9. Some typical video resolutions that you will come across are: Technology Analogue TV VCD (MPEG-1) DVD (MPEG-2) LCD Display Digital TV (SDTV) Digital TV (HDTV) Digital TV (4k UHDTV) Resolution Vertical lines 625 (PAL) 525 (NTSC) 352x288 (PAL) 352x240 (NTSC) 720x576 (PAL) 720x480 (NTSC) 640x480 (VGA) 1024x768 (XGA) 720x576 (PAL) 720x480 (NTSC) 1280x720, 1920x x2160 Aspect Ratio This is the ratio between the horizontal and the vertical resolution of an image. It ranges from 352x288 for VCD to 1920x1080 for High Definition TV. Resolution This is the measure of the number of horizontal and vertical pixels of a video image, in other words, the size of the image. The most important ones are video resolution, aspect ratio and encoding. In order to begin the process of video editing, you need to know the basic concepts of digital video. A Brief Digital Video Primer The technologies behind digital video are profound and complicated. Video editing is essentially the process of editing segments of motion video production footage by cutting, trimming and overlaying them, and adding special effects and sound recordings. From there, editors and directors are free to work with all the options to create the final cut. Once imported, the source material can be edited on a computer using a wide range of video editing software. Typically, video VIDEOPAD_WORKSHOP_EN.DOCX of 18Ģ and audio sources are first captured or transferred to computer storage. The digital revolution has made the video editing workflow immeasurably quicker, as editors moved from time-consuming tape-to-tape linear video editing systems to powerful computer hardware and video editing software such as Adobe Premiere. Until the advent of computer-based random access non-linear video editing systems in the early 1990s linear video editing was simply called video editing. Needless to say, it is highly skilled and time-consuming. Linear video editing is a post-production process of selecting, arranging and modifying images and sound in a predetermined, ordered sequence from tape. ![]() Be aware of copyright issues and laws Introduction to Digital Video Editing In the old days of analogue TV and VHS video, video editing is carried out using huge workstations in a process called linear video editing. Know how to perform video editing on a basic level 4. Understand the fundamental concepts of digital video 3. Select video editing software and related tools from the Internet 2. After completing this workshop, you should be able to: 1. 5 Extended Exercise Appendix A Objectives The aim of this workshop is to introduce students to the techniques of video editing, in an educational context, using freely available tools and media. 1 Video Editing Workshop November 2013 Updated Contents Objectives. ![]()
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