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Because the space devoted to events on the timeline is proportional to the time they occupy in your movie, some clips appear stretched, while others are scrunched into illegibility. To get a better look at items of short duration, you can expand the scale of the timeline by clicking the Zoom Timeline In button (the plus sign near the upper-left corner of the timeline) or pressing Page Down. Press Page Up or click Zoom Timeline Out to return the timeline to a more compressed scale. Tip With either the storyboard or the timeline, the quickest way to scroll laterally is by rolling the wheel on your mouse. As Figure 22-9 shows, the timeline has five separate tracks and conveys some information not shown on the storyboard. (If you don t see the Transition and Audio tracks, click the plus

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Using Windows Movie Maker sign to the right of Video. If you still don t see all five tracks, drag the top border of the Timeline pane upward to expand the pane.) These tracks have the following functions:

Before taking the exam, review the key points and terms that are presented in this chapter. You need to know this information.

The Video track displays an initial thumbnail for each clip If you ve added a video effect to the clip, a blue star appears Video transitions appear on the Transition track Depending on how you ve adjusted the time scale, your transitions might show up as narrow vertical bars The Audio track represents the audio captured or imported with your video the sounds recorded by your camcorder s microphone, for example, or by your computer s microphone if you captured video from a Webcam with a separate microphone A blue sound graph runs through the middle of the track; the thickest parts of the graph represent the loudest sounds If you add narration or background music to your project, those items appear on the Audio/Music track.

The file replication service log contains errors, warnings, and information gener ated by FRS. You can use the file replication service log to monitor FRS replication. To troubleshoot problems indicated by error and warning messages in the directory and file replication service logs, examine details about the message by double-clicking the error or warning message. To monitor File Replication Service replication, you monitor the activity of the FileReplicaConn and FileReplicaSet performance objects in System Monitor. To analyze and interpret performance-monitoring results: (1) establish a baseline, (2) analyze performance-monitoring results, (3) plan and implement changes to meet the baseline, and (4) repeat steps 2 and 3 until performance is optimized.

var results = new List<Book>() for (int i = 0; i < books.Count; i ++) { Book book = books[i]; if (book.PageCount > 500) results.Add(book); }

(For information about managing the sound balance between Audio/Music and Audio, see Changing the Balance of Sound Between the Audio and Audio/Music Tracks, page 832) The project shown in Figure 22-9 includes about a minute and a half s worth of background music Comparing the blue sound graph of the Audio/Music track in this example with that of the Audio track, you can see that the music is relatively quiet and unobtrusive (For more about managing the interaction of the Audio and Audio/Music elements of your project, see Working with Sound, page 829) Windows Movie Maker includes a titles/credits editor If you use it to create titles that appear superimposed on the video of your movie, these titles are represented on the Title Overlay track of the timeline.

directory service log A tool that displays errors, warnings, and information gener ated by Active Directory. If you experience problems with Active Directory, use the directory service log first to locate the causes of the problem. file replication service log generated by FRS. A tool that displays errors, warnings, and information

system Monitor A tool that allows you to collect and view extensive data about the usage of hardware resources and the activity of system services on computers you administer.

You can also use the editor to generate a title that appears at the beginning of your movie or credits that appear at the end, those items are represented on the Video track of the timeline (For more about titles, see Creating Titles and Credits, page 832).

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The first three of these tracks Video, Transition, and Audio are bracketed on the timeline, because you can t adjust the positions of items on these tracks independently. If you move two clips joined by a video transition, for example, the transition moves along with the video and audio.