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Trimming an audio clip

From: PowerPoint 2010: Audio and Video in Depth

Video: Trimming an audio clip

There are may be times when your audio clip is longer than you want it to be. Maybe you only want to use a segment in the middle. You don't have to open the clip in the sound editing program; you can make the trim right inside PowerPoint. It's a good idea to keep you multimedia focused on material that supports the specific point you are making and trim out extraneous material from the beginning or end. I'm on slide 3 in my presentation. You can use any sound clip you've embedded. Do note that this technique works on both embedded and linked media, but the only audio clips that you've actually embedded will receive the benefits of the optimization tools, we'll explore later in this course.

Trimming an audio clip

There are may be times when your audio clip is longer than you want it to be. Maybe you only want to use a segment in the middle. You don't have to open the clip in the sound editing program; you can make the trim right inside PowerPoint. It's a good idea to keep you multimedia focused on material that supports the specific point you are making and trim out extraneous material from the beginning or end. I'm on slide 3 in my presentation. You can use any sound clip you've embedded. Do note that this technique works on both embedded and linked media, but the only audio clips that you've actually embedded will receive the benefits of the optimization tools, we'll explore later in this course.

Click on your audio clip and play it. (Female speaker: (inaudible) Hansel and Petals for years?) You can hear that I have all that introduction of the cellophane rattling. That will be great for me to trim out. When I am clicked on my audio clip, two new Audio Tools tabs open up at the top. Click on the Playback tab. On the left side there's a button that has a speaker on it and the words Trim Audio. Click on it. A Trim Audio dialogue box opens. At the top, you can see your clip name on the left and the Total Duration on the right.

In the middle, you have a timeline. The green handle on the left is the start of the clip and the red handle on the right is the ending of the clip. You can see sound waves on the middle. These can help you find the perfect place to start or stop in coordination with your audio. Below the timeline are specific Start and End Times. The first two numbers are hours, after the colon is minute, and after the decimal are seconds, down to the thousandth of a second. These values will change as we move the handles or you can type in the boxes to specify the exact moment yourself.

When I click on the timeline a blue playhead appears. I can use my Spacebar to start and stop the playback. In the middle I have a play arrow which switches to a pause arrow. The button to its either side will let me move the playhead forward and back 1/10 of a second at a time. By using this combination of buttons, I can click approximately where I want to start or end and then fine- tune that moment with the arrows. Now I know that I had some cellophane, so I'll click back here and Play. (Female speaker: Hansel and Petal?) And I can see in the sound waves right where my sound begins.

So I'll put my playhead in that location and fine tune it and play it. (Female speaker: Hansel and Petal?) That was perfect. Now I'll drag my green handle to this position. If you can't land right on it, get as close as you can, and then edit the Start Time or the End Time to this specific moment by using the arrows or by typing numbers into the box. Keep in mind that if your start or finish is a bit abrupt, you may want to use the Fade In and Fade Out features to ease your sound. If that's the case, leave yourself an extra second or two at the beginning or end of your clip.

We'll explore Fade In and Fade Out in a later video. When you're done click OK and when I click Play... (Female speaker: Hansel and Petal for years has been providing?) We now have our shortened clip. If you need some further adjustments, like maybe that was a little fast, I can go back to Trim Audio and move my Start back just a touch. (Female speaker: Hansel and Petal for years has been providing?) Now that I've trimmed the length of my clip, you can save some file size by using the Compress Media feature.

We'll explore our compressed media in detail later in this course. For now, know that Compress Media will delete the unused portion of your audio clip, though it may reduce your sound quality as well. Once you've compressed your media clip, that trimmed material will be gone, and if you change your mind about your trimming points, you will need to start over again with a fresh file import. The ability to quickly and easily trim the beginning and end points of your audio clip right inside the PowerPoint will save you hours of time, now that you don't have to open up sound editing software for quick edits.

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This video is part of

Image for PowerPoint 2010: Audio and Video in Depth
PowerPoint 2010: Audio and Video in Depth

83 video lessons · 9371 viewers

Alicia Katz Pollock
Author

 
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  1. 1m 43s
    1. Welcome
      54s
    2. Using the exercise files
      49s
  2. 20m 45s
    1. Using video and audio appropriately
      1m 58s
    2. Considering copyrights
      3m 57s
    3. Linking vs. embedding media
      8m 35s
    4. Working with video formats
      6m 15s
  3. 22m 4s
    1. Inserting an animated GIF from the clip art gallery
      4m 21s
    2. Inserting a video from a computer file
      3m 55s
    3. Inserting a clip as an external object
      3m 10s
    4. Inserting a video as a Windows Media Player control
      3m 45s
    5. Linking to a YouTube video
      5m 23s
    6. Inserting a video using an action button
      1m 30s
  4. 23m 23s
    1. Inserting a QuickTime video
      6m 3s
    2. Playing a Flash animation
      6m 0s
    3. Using ActiveX as a workaround
      5m 58s
    4. Inserting a web page
      5m 22s
  5. 34m 6s
    1. Trimming a video
      5m 54s
    2. Fading in and out
      4m 23s
    3. Cropping a video
      4m 6s
    4. Selecting a poster frame
      1m 53s
    5. Adjusting brightness and contrast
      2m 40s
    6. Recoloring a video
      2m 50s
    7. Adding video bookmarks
      3m 10s
    8. Synchronizing text captions with bookmarks
      9m 10s
  6. 10m 32s
    1. Resizing a video
      4m 34s
    2. Playing a video in a shape
      2m 2s
    3. Using a video as a slide background
      3m 56s
  7. 29m 3s
    1. Applying a preset video style
      2m 48s
    2. Designing a border
      3m 59s
    3. Adding shadows
      2m 52s
    4. Adding reflections
      2m 39s
    5. Adding glow effects
      2m 16s
    6. Adding soft edges
      1m 45s
    7. Applying 3D rotation
      3m 50s
    8. Applying bevels and 3D formatting
      6m 26s
    9. Using Format Painter
      2m 28s
  8. 22m 34s
    1. Setting the volume
      1m 13s
    2. Playing a clip automatically
      57s
    3. Play full screen
      1m 1s
    4. Hiding a video
      1m 16s
    5. Looping a video
      2m 50s
    6. Rewinding after playing
      1m 13s
    7. Delaying playback of a video
      2m 0s
    8. Showing and hiding media controls
      1m 1s
    9. Triggering a video by clicking a graphic
      5m 5s
    10. Triggering a video using animations
      2m 46s
    11. Playing a video across multiple slides
      3m 12s
  9. 13m 0s
    1. Troubleshooting videos that won't play
      3m 7s
    2. Improving playback performance
      3m 43s
    3. Optimizing Windows 7 settings
      6m 10s
  10. 13m 18s
    1. Working with audio file formats
      3m 7s
    2. Inserting a sound from the clip art gallery
      3m 15s
    3. Inserting audio from a computer file
      1m 56s
    4. Recording your own sounds
      3m 35s
    5. Playing audio in an external application
      1m 25s
  11. 24m 44s
    1. Setting the sound clip volume
      1m 5s
    2. Playing a clip automatically
      2m 23s
    3. Trimming an audio clip
      3m 52s
    4. Choosing a sound's starting and ending points
      2m 18s
    5. Fading sounds in and out
      59s
    6. Looping a sound clip
      2m 23s
    7. Delaying an audio clip
      2m 31s
    8. Rewinding after playing
      1m 13s
    9. Changing the appearance of the sound icon
      3m 13s
    10. Hiding the sound icon
      2m 5s
    11. Adding and removing audio bookmarks
      2m 42s
  12. 18m 19s
    1. Adding sound effects to transitions
      3m 10s
    2. Adding sound effects to animations
      3m 46s
    3. Triggering audio playback with objects
      2m 12s
    4. Playing a sound with a hyperlink
      1m 28s
    5. Triggering actions with audio bookmarks
      7m 43s
  13. 21m 7s
    1. Playing a sound across multiple slides
      4m 10s
    2. Building a music soundtrack
      4m 23s
    3. Playing audio tracks from a CD
      3m 26s
    4. Recording a narration
      9m 8s
  14. 23m 12s
    1. Checking and optimizing media compatibility
      3m 8s
    2. Converting media to earlier versions of PowerPoint
      2m 17s
    3. Converting media from earlier versions of PowerPoint
      2m 37s
    4. Compressing media files
      3m 47s
    5. Saving as a movie
      4m 48s
    6. Packaging a presentation for travel
      3m 43s
    7. Extracting media asset files
      2m 52s
  15. 45s
    1. Goodbye
      45s

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