Tự học iLife - p 19 pot

1 Click to open the music and sound effects browser.. ● iMovie opens the Clip Trimmer and displays the song as a waveform, which is a graphical ● You can click to play your movie with t

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WORKING WITH iMOVIE ’09

Editing Movies chapter 8

How do I add a freeze frame to my movie?

You can freeze a frame in your clip for a period of

time to highlight an important moment in your

project.

1 Drag your cursor over a clip to locate the frame

you want to freeze

2 -click the clip

3 Click Add Freeze Frame from the menu that

iMovie opens the Inspector

● You can type a number of

seconds to change the duration of

the still photo

● You can click here to add a photo

effect such as a color change or a

vignette

Note: For more about effects, see Chapter 10.

7 Click Done to close the Inspector

and save your changes

● iMovie inserts the still with a

default duration of four seconds

Note: By default, iMovie adds subtle panning and

zooming, also known as a Ken Burns effect, to the

inserted photo See “Adjust the Ken Burns Effect”

for details.

6 Double-click the still photo.

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iMovie displays the Crop tool with

Ken Burns selected

● The green box shows the starting

position and zoom of the photo

● The red box shows the ending

position and zoom of the photo

1 Add a still photo to a project.

Note: See “Add a Still Photo” for details.

2 Click to select the photo.

3 Position the cursor over the

selection and double-click the

crop icon ( )

Adjust the Ken Burns Effect

When you add a still photo to a project,

iMovie automatically adds a Ken Burns effect, which is a slight panning and zooming as the photo appears This can make a normally

motionless slide more interesting You can adjust the panning and zooming in the effect

or turn it off altogether.

Adjust the Ken

Burns Effect

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WORKING WITH iMOVIE ’09

Editing Movies chapter 8

Why is it called a Ken Burns effect?

How can I swap the

starting and ending

4 Click and drag the center of the

green box to change the starting

position

5 Click and drag a corner handle of

the green box to change the

starting zoom

6 Make the same adjustments to the

red box to change the ending

position and zoom

7 You can click to preview

the effect

You can turn off the Ken Burns

effect by selecting a different

display option

● Click Fit to fit the entire clip in the

frame and add black borders if

needed These borders are called

letterboxes on the top and bottom

and pillarboxes on the sides.

● Click Crop to fill the entire frame

with the clip This may result in

cropping depending on the aspect

ratios of the clip and the project

8 Click Done to exit the Crop tool.

1 Click to open the music and

sound effects browser

2 Click the list to view available

songs

● You can click to play a

selected song

● You can type a song or artist

name to search for a song

3 Click and drag a song to the

outside edge of the project

browser

Note: To add a song as background music, do not

drag it onto a clip.

● The project browser background

turns green or purple, depending

on the type of song you are

adding

4 Release the mouse button.

iMovie adds the song as

background music

● The name and how long the song

plays appear here

Add Background Music

You can add background music to your iMovie

project to complement the theme of your movie

You can use songs from iTunes or GarageBand

for your background music.

For more about creating songs in GarageBand, see Part IV of this

book.

Add Background

Music

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Adding Audio to Movies WORKING WITH iMOVIE ’09

How do I choose just part of a song to use

as background music?

You can change when the background song begins

and ends using the Clip Trimmer.

1 Click the edit icon ( )

2 Click Clip Trimmer in the menu that appears.

● iMovie opens the Clip Trimmer and displays the

song as a waveform, which is a graphical

● You can click to play your

movie with the new music

5 If your movie is longer than the

song, you can click and drag

additional songs to fill the entire

project with music

Note: To change the volume of the background

music and other audio in your project, see “Adjust

Volume.”

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3 Click and drag a sound effect to

the location in a clip where it

plays

4 Release the mouse button.

1 Click to open the music and

sound effects browser

2 Click a list item to view the

available sound effects

● The sound effects appear here

● You can click to play a

selected sound effect

● You can type a keyword to search

for a sound effect

Add a Sound Effect

You can choose from a variety of sound effects

to accentuate the action occurring in your

movie After you add a sound effect, you can

move it to just the right frame in your movie

and also adjust the volume.

Add a Sound

Effect

WORKING WITH iMOVIE ’09 Adding Audio to Movies chapter 9

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How do I turn off audio from a video clip when the

How do I turn the sound

off when I skim clips?

5 Click and drag to add more sound

effects from the music and sound

effects browser

Sound effects can overlap one

another in a project

Note: To change the volume of a sound effect and

other audio in your project, see “Adjust Volume.”

● iMovie displays a green icon

where the sound effect is added

You can click and drag the icon to

change when the effect plays

You can click the icon and press

to preview the new

effect

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A u d i o & V o l u m e C o n t r o l s

1 Double-click the music, sound

effect, or clip whose volume you

want to adjust

The Inspector opens

2 Click Audio.

Adjust Volume

You can adjust the volume of the different

sounds in your movie, including sounds from

the video clips, background music, and

sound effects iMovie gives you control over

overall volume as well as how audio fades in

and out.

Adjust

Volume

The audio volume controls appear

3 Click and drag the slider to adjust

the overall volume of the music,

sound effect, or clip

You can drag the slider all the way

to the left to mute the clip

4 Click to reduce the sound of other

clips as a selected item plays

( changes to )

● You can use the slider to adjust

WORKING WITH iMOVIE ’09 Adding Audio to Movies chapter 9

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How do I change the volume of multiple

clips in my project?

You can select multiple video clips and make

changes to their audio all at once Note that you

cannot select multiple sound effects or background

songs, only video clips.

5 Click to adjust how the audio

fades in ( changes to )

6 Click and drag the slider to the left

to fade it in quickly or to the right

to fade it in gradually

7 Click to adjust how the audio

fades out ( changes to )

8 Click and drag the slider to the left

to fade it out quickly or to the

right to fade it out gradually

9 You can click Normalize Clip

Volume to normalize the

selection, making its volume

consistent with the other audio in

the project

0 Click Done.

iMovie adjusts the volumes

● You can click to play the

project and listen to the results

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The Clip Trimmer opens

● iMovie displays the music as a

waveform, which is a graphical

representation of the song

1 Click for the audio you want

to mark

2 Click Clip Trimmer.

Add a Beat Marker

You can add beat markers where audio beats occur

to synchronize action in the clip with the rhythm of

the music You add beat markers in the Clip

Trimmer.

Add a Beat

Marker