tailieunhanh - Learning Flash CS4 Professional phần 9

Bạn sẽ khởi tạo một phần ứng trong danh mục đầu tư dự án của bạn theo cách này, nhưng phần ứng sẽ được trong một clip phim. Như vậy, các tọa độ được sử dụng sẽ được dễ dàng hơn để hiểu được nếu họ được dịch từ các giá trị liên quan đến clip phim với những giá trị liên quan đến Stage. | Timeline Use The Sound Settings dialog Figure 12-3 offers access to the same compression algorithms available on a per-file basis. The Default per-sound option which specifies that these global settings should be used for a specific sound has been replaced in Publish Settings with Disable. This option disables all sound in the SWF and is useful for testing or creating alternate versions of your file with no audio. Figure 12-3. Compression options for internal sounds applied file-wide At the bottom of the Publish Settings section refer back to Figure 12-2 you can choose to override the sound settings. When you enable the Override sound settings option Flash will override the per-asset sound settings and apply the global Publish Settings instead. This is useful for creating a low-quality alternate version of your file. You can also use this option to speed up SWF compilation during testing by switching to a Fast quality setting. When you re finished with development and ready to publish your final file you can disable the override option and the per-sound settings will be reapplied. Finally you can enable the Export device sounds option to support Flash Lite development not covered in this book. NOTE For more information about Flash Lite visit http www. products flashlite . Timeline Use Adding sounds to the Timeline is very easy. Select the frame in the Timeline in which you want the sound to play and choose any imported sound from the Name property in the Sound section of the Properties panel Figure 12-4 . A waveform representation of the sound will appear in that frame or span of frames. During playback anytime the playhead is in contact with a frame with sound in it that sound will be played. The Sync property in the Properties inspector described in the next section controls how the sound is played and when it stops. Because the normal layer height makes this waveform difficult to see you can increase the height of specific layers. Double-click the .