Change the duration of slides that previously had audio

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When you import audio or record narration in Presenter '09, the duration of each slide will match the duration of audio that was imported or recorded.

However, if you remove audio from a slide, the duration of the slide does not change.  It retains the same duration as the audio that it previously contained.  This is by design so as to maintain the animation timings.

In some instances, however, you may not want to maintain the slide duration of the audio that was removed.  You can change the duration of slides after the original audio has been removed in a few different ways.

Import or record new audio

If you import a new audio file or record new narration for the slide, it will take on the duration of the new audio.

Use the Sync Animations tool

If you don't want the slide to have any audio at all, you can still change the duration of the slide by using the Sync Animations tool -- even if the slide doesn't have any animations.

  1. Go to Articulate > Sync Animations.
  2. Select the slide you want to adjust.
  3. Click the Start Sync button.
  4. When the slide reaches the duration you want, click the Stop Sync button.
  5. Repeat steps 2-4 for any other slides that you want to adjust.
  6. Click the Save & Close button.

Here's a video tutorial that demonstrates this technique:

Import a silent audio file

If you don't want the slide to have any audio at all, another option is to import a silent (empty) audio file.

  1. Create a silent audio file for the duration you would like.  A slide must be at least 1 second long.  (The following video tutorial describes how you can do this, using Audacity, a free sound editing tool)
  2. For multiple slides, you may want to duplicate the audio file so you have as many audio files as you do slides where you need to adjust the duration.
  3. Import the silent audio files into your presentation.

Here's a video tutorial that demonstrates this technique: