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Tài iệu Photoshop cs5 by Dayley part 110

Sau khi bạn click OK để tạo tài liệu mới, bạn sẽ được nhắc nhở rằng Adobe vừa bật Aspect Ratio Correction Pixel của tài liệu này vì nó có lẽ sẽ là một phần của một tập tin video kết xuất cuối cùng. Các tài liệu được tạo ra bởi các cài đặt trước Film & Video trông khác so với văn bản Photoshop thông thường. Lưu ý trong hình 25,8 mà hướng dẫn được thêm vào khung trống. | Part VIII Working with Video and Animation After you click OK to create the new document you are reminded that Adobe has just turned on the Pixel Aspect Ratio Correction for this document because it presumably will be part of a rendered video file eventually. The document created by the Film Video presets looks different than the usual Photoshop document. Notice in Figure 25.8 that guidelines are added to the blank canvas. These guides don t print or show up on your video they indicate the safe zones in the video file. As long as your action is contained within the outside bounding box and your text is contained within the inside bounding box you won t lose any of the important pieces of your video to a television that cuts out the edges of the video and enlarges the center. FIGURE 25.8 The Film Video presets give you guides for placing and editing your video. Note If you are creating a video for the Web you probably chose the square pixel settings which means the Pixel Aspect Ratio Correction doesn t have to be turned on. You can disregard the guides as well because computer monitors play the entire video without cropping the edges. You can now place an image in this document or create a neutral background that can be placed in the video file as a separate layer behind any photos that are placed in the video file. Video filters The Video filters are accessed in the filter menu and are specifically for video files. Video filters can be used on video or image files that will be placed into video files. These filters work to reduce the noise of a video file. 796 Chapter 25 Video Editing Basics De-Interlace Interlaced video is created by generating every other line of video in one pass and then filling in the missing lines in the second pass. De-interlacing can clear the look of moving video by removing either the odd or even lines and filling those lines in by either duplicating or interpolating the existing lines. The difference can be dramatic especially on a .