TAILIEUCHUNG - Tự học iLife - p 20

iMovie cho biết thêm, một dấu hiệu đánh bại với clip âm thanh, mà xuất hiện như một đường thẳng đứng màu trắng trong dạng sóng. ● Nếu âm thanh các lớp phủ một clip, iMovie cũng chia clip tại các điểm đánh dấu đánh bại. Điều này cho phép bạn dễ dàng thay thế nội dung giữa các nhịp đập trong dự án của bạn. | WORKING WITH iMOVIE 09 You can move your cursor across the waveform to find the beats. 3 Click and drag O to a beat in the song. You can also click to play the song and press O to add beat markers as it plays. iMovie adds a beat marker to the audio clip which appears as a vertical white line in the waveform. If the audio overlays a clip iMovie also splits the clip at the beat marker. This allows you to easily replace content between beats in your project. Adding Audio to Movies T How do I remove a beat marker Follow these steps O Click and drag the vertical line representing the beat marker outside the Clip Trimmer. iMovie deletes the beat marker. You can also Control -click the waveform and then click Remove All Beat Markers to remove them all. 173 Synchronize Content to Beats ----------------h After you add beat markers to the beats in your song you can easily synchronize your clips to play between the markers. When the snap-to-beats setting is turned on iMovie automatically trims clips and still photos to fit between the next two markers. Synchronize Content to Beats O Set beat markers in a song in your project. See Add a Beat Marker for details. In this example beat markers have been added to the background music. 2 Click View and select Snap to Beats if the setting is not already checked. 3 Select a video clip to add. Make sure it is longer than the duration between beats. Note For more about adding clips to a project see Chapter 8. 4 Click and drag the selection to add it to the end of the project. iMovie adds the clip to the project. The clip is truncated to fit between the next two beat markers. 5 Click o to open the photos browser. 6 Click and drag a photo to add it to the end of the project. 174 l iMovie adds a still photo to the project. The photo is shown for the duration between the next two beat markers. For more about adding still photos to a project see Chapter 8. 7 Click I k i to preview the project. Because the content was snapped to the beats as

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