Apple iMovie Manual do Utilizador descarregar pdf (Página 12)

ITS - Technology & Learning Services Page 9

Luanne Eris Fose, Ph.D.

Timeline Viewer Close-Up

Use the Timeline Viewer, shown below, to work with audio clips, synchronize your audio with

video, and to adjust the timing of your movie.

A - Timeline Viewer Button: Click the timeline viewer button if the Timeline Viewer is not

visible.

B - Video Track: Select clips in this track to add motion effects.

C - Audio Tracks: Place and arrange audio clips in these tracks to synchronize audio and

video clips. Deselecting the checkbox to the right of the track mutes all the audio clips in

that track.

D - Timeline Zoom: Click and drag this bar to adjust the zoom level for clips.

E - Clip Speed Slider: Select a video clip and drag this bar to make the clip play faster or

slower.

F - Edit Volume: Select this checkbox to see the volume level bar for all clips. Move the slider

to raise or lower the volume of a selected clip or clip segment.

G - Volume Level Bar: Click this bar to add markers, then drag the markers to adjust the

volume for sections of audio clips. You can use this to make audio fade in or fade out.

H – Audio Waveforms: Representations of audio intensity. Use audio waveforms to align video

to audio events such as a certain drumbeat or the exact beginning or end of the audio.

I - Audio Checkboxes: Select a checkbox to hear the audio in its track. Deselect it to mute the

track.

Figure 8: Timeline Viewer

Previewing Your Video Clips

Each second of a video clip consists of approximately 30 separate pictures or frames. To find

the exact footage you wish to keep or delete from your video clips, you can play through each

clip at normal speed or move through the clip frame-by-frame.

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Apple iMovie Manual do Utilizador Página 12