Adobe 65029940 - Captivate - PC User Manual page 124

CHAPTER 5
114
Adding audio and video
•
CD bitrate (128 kbps)
a recording, which is of CD quality.
•
Near CD bitrate (96 kbps)
second of a recording, which is of a near CD quality. By default, this option is selected.
•
FM Radio bitrate (64 kbps)
second of a recording, which is of FM Radio quality.
•
Specifies the amount of audio information that will be stored per second of a recording,
Custom Bitrate
which is of a user-defined quality. You can drag the slider bar to set the required bitrate.
Encoding Frequency
Drag the slider bar to set the required audio encoding speed. Increasing the encoding speed
Encoding Speed
reduces the quality of the encoded files.
Click to display the Calibrate microphone dialog box. You are prompted to read a sentence into
Calibrate input
the recording device. Adobe Captivate uses the sample recording to detect optimal recording sensitivity levels. It
is important to calibrate your recording device for optimal sound quality.
5 (Optional) If you have created text captions or slide notes that can be used as scripts, add them to the Captions
and Slide Notes tabs.
6 When you finish, click OK.
Note: The preview panel is not displayed if you have selected the Record >Without Preview.
Using audio from existing library files
You can reuse existing project audio files for slides in a project.When you insert a new object (such as an image
or video) into your project, the Select audio from library button on the Audio tab of the new item dialog box is
enabled and you can browse the Library for an existing audio file.
To change the selection of audio files from the library:
In the dialog box that appears when you insert a new object, click the Audio tab or the Background Audio tab,
1
or select Audio > Edit Timing > Slide.
Note: Edit Timing is enabled if a question slide or a project slide contains an audio file. It is disabled for question pools,
and random question slides.
Click the Select audio from library button.
2
The Select audio from library dialog box appears.
Specifies the amount of audio information (in kbps) that will be stored per second of
Specifies the amount of audio information (in kbps) that will be stored per unit
Specifies the amount of audio information (in kbps) that will be stored per
Select the frequency at which audio encoding must be performed.