Apple iMovie Uživatelský manuál stáhnout pdf (Strana 36)

ITS - Technology & Learning Services Page 33

Luanne Eris Fose, Ph.D.

Adjusting the Volume of Audio Clips

In addition to adjusting the sound in iMovie and muting entire audio tracks, you can make a

simple adjustment to the volume of an audio clip using the Edit Volume slider.

To adjust the volume of an audio clip:

1. Select the audio clip in the Timeline Viewer.

2. Click the Edit Volume checkbox. A volume level bar will appear in all audio clips

which shows the current volume level of each clip.

3. Move the slider to adjust the clip volume of the selected clip up or down. Note: If

you make an adjustment to the volume while you are playing the clip, iMovie pauses

playback and then immediately plays the clip with your adjustment.

To adjust sound levels within a clip:

1. In the Timeline Viewer, select the Edit Volume checkbox.

2. A line will appear across the audio tracks of the Timeline Viewer which shows the

current volume level for each clip.

3. Click the line at the point where you want to begin increasing or decreasing the clip

volume and a marker will appear.

4. Drag the marker up or down to increase or decrease the volume from that point to

the end of the clip.

5. To delete a volume level marker just select the volume level handle and press the

Delete key on your computer.

6. Note: You can create as many markers as you need to adjust the volume as finely as

you want. To make the volume adjustment more gradual, click and drag the small

end of the marker to create more of a slope.

To make the audio clip fade in or out:

1. Select the audio clip in the Timeline Viewer.

2. Select the Edit Volume checkbox.

3. Click a point on the volume level bar where you want to adjust the volume and a

marker will appear.

4. Drag the yellow round dot marker to where you want the sound adjustment to end

and drag the smaller orange marker that appears next to where you want the sound

adjustment to begin.

5. Adjust how rapidly the volume changes by adjusting the slope of the marker. The

example below illustrates markers demonstrating a fade in and a fade out of the

second audio CD track.

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 42 43

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Apple iMovie Uživatelský manuál Strana 36