Adobe CAPTIVATE 2, Руководство пользователя

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94 Chapter 5: Adding Audio and Video
3.
From the Audio menu, select Edit.
The Edit Audio dialog box appears.
4.
You can add silence to the beginning of the audio file, to the end, or to a specific location within
the audio file. If you want to add silence within the file, click the exact location directly on the
waveform.
Note: The Playhead and Selected information boxes near the bottom of the dialog box can help
you choose a precise location in the audio file. For example, if you want to add a silent period four
seconds into the audio file, click the waveform until the Playhead information box displays a
number close to four seconds (that is, 00:04.00).
5.
Click Insert Silence.
The Insert Silence dialog box appears.
6.
The silent periods you add to the audio file are measured in seconds. In the Insert box, type a
number to specify the length of the silent period.
7.
In the text box to the right, click the pop-up menu and select the position in the audio file to
which you want to add the silence. The choices are Current Selection, Playhead position
(selected in step 4,) Start of audio, or End of audio.
Note: When you select a part of an audio file, and then click Insert Silence, the pop-up menu lists
the Current Selection option instead of the Playhead position option.
8.
Click OK.
The silent period is added to the audio file and you can see the silent period in the waveform.
The audio file with added silence is saved under a new file name.
9.
To test the audio file with the silent period added, click Play in the bottom left corner.
Tip: If you find that you frequently want to add silence at the same position and of the same duration,
press ALT+S to add it without using the Insert Silence dialog box.
Adjusting audio volume
You can adjust the volume of audio files included in your Adobe Captivate projects.
To adjust the volume of audio files:
1.
Open an Adobe Captivate project that contains audio files.
2.
Select a slide that contains an audio file. (In Storyboard view, slides containing an audio file
display the audio icon beneath the slide.)
3.
From the Audio menu, select Edit.
The Edit Audio dialog box appears.
4.
Click Adjust volume.
The Adjust Volume dialog box appears.
5.
To change the volume, click the volume slider on the left side and drag it up to increase volume
or down to decrease volume.