Usually written in the following format: horizontal units:vertical units, the two most common aspect ratios seen in current video displays are 4:3 and 16:9.įrame rate: This property specifies the number of individual images that make up each second of video. The dimensions of a video or still image file determine its aspect ratio that is, the proportion of an image’s horizontal units to its vertical ones. Whether you are dealing with a still image or working with video frames makes no difference everything displayed on-screen is made up of pixels. The term Pixel is a combination of the words picture and element and is the smallest individual component in a digital image. This value is usually written as a pair of numbers separated by an x, where the first number is the horizontal value and the second represents the vertical value, such as 720×480. In general, regardless of the platform for which you are creating video content, there are three main properties to keep in mind:ĭimensions: This property specifies the pixel dimensions of a video file-the number of pixels horizontally and vertically that make up an image or video frame. AFTER EFFECTS TO HTML5 ANIMATION FULLTechnical standards, such as the ones touched upon here, are very complex, and a full description of each one is beyond the scope of this book. There are two main standards used for broadcast television, a handful of competing standards for desktop and web video, and a series of device-specific standards used in mobile handheld devices. Some video formats are common for professional video production, while others are suitable only for broadband or small-screen purposes. For more Adobe After Effects training options, visit AGI’s After Effects Classes.Īdobe After Effects Tutorial: Understanding video formats in After Effects It is the first lesson in the Adobe After Effects CS6 Digital Classroom book. This tutorial provides you with a foundation for working with Adobe After Effects video formats. What you’ll learn in this After Effects Tutorial: Graphic Design for High School Students.
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