Apple Motion 5.1.1 - Manual (Page 1023)

Chapter 23 Audio 1023
Adjust Timing controls in the Inspector
Each audio object has timing parameters in the Properties Inspector.
Adjust a clip’s timing parameters in the Properties Inspector
1 Select the audio clip in the Audio list or Audio Timeline.
2 Open the Properties Inspector, then click the Show button on the right side of the Timing row.
The Timing parameters appear.
Note: The Show button is hidden until you move the pointer over the right side of the
Timing row.
3 Adjust the Timing parameters:
•
Speed: Drag in this value slider to set the speed of the audio clip as a percentage. The default
is 100%. Values lower than 100 play the audio clip more slowly than its original speed, and also
extend the Duration of the audio clip. Values higher than 100 play the audio clip faster than its
original speed, and shorten the Duration of the audio clip.
•
In: Click the left or right arrow (or enter a new value in the field) to change the In point of
the audio clip. Adjusting this parameter moves the audio clip In point to the specified frame
without affecting clip duration.
•
Out: Click the left or right arrow (or enter a new value in the field) to change the Out point of
the audio clip. Adjusting this parameter moves the audio clip Out point to the specified frame
without affecting clip duration.
•
Duration: Click the left or right arrow (or enter a new value in the field) to set the total duration
of the audio clip. Adjusting Duration also affects the Speed and the Out point.
•
End Condition: Choose an item from the pop-up menu to set how playback continues when
the end of the audio clip is reached. There are four options:
•
None: The audio clip’s duration in your project is equal to the duration of its source media
file (the default setting).
•
Loop: When the last frame of the audio clip is reached, the clip loops back to the first
frame and plays again. This can cause a jump in the audio clip’s apparent playback unless
it is designed to loop seamlessly. The End Duration value must be greater than 0 for this
parameter to have any effect.
•
Ping-Pong: When the last frame of the audio clip is reached, the next iteration of clip
playback is reversed. The End Duration value must be greater than 0 for this parameter to
have any effect. (The Ping-Pong option is mainly for reference—the reversed section of the
audio track sounds noisy, because Motion does not support true reverse playback.)
•
Hold: The audio stops at the loop point.
•
End Duration: Drag the slider to set the number of frames by which the clip is extended at the
end of its duration. This control is available only when End Condition is set to a value other
than None.
Adjust a track’s speed in the Audio Timeline
Motion lets you change the timing of audio tracks in the Audio Timeline.
Important: To affect all channels of a multichannel audio file, select all tracks in the Audio list
(press Command-A) before making adjustments in the Audio Timeline.
Shorten the audio clip’s duration and speed up its playback
1 In the Audio Timeline, position the pointer over the end of the green bar.
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