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Compressing media files

From: PowerPoint 2010: Audio and Video in Depth

Video: Compressing media files

If file size is an issue, you may want it to compress your media clips so that your PowerPoint File doesn't take up as much disk space. I'm going to go to slide 4 and click on my Media Clip. I'll go back up to my Playback tab and I'll click on my Trim Video button. This video clip has extra footage at the beginning and end that we trimmed out in an earlier movie in this course. Compressing your video and audio files will delete extraneous image or sound data, removing the beginnings and endings of media that you trimmed and cropped.

Compressing media files

If file size is an issue, you may want it to compress your media clips so that your PowerPoint File doesn't take up as much disk space. I'm going to go to slide 4 and click on my Media Clip. I'll go back up to my Playback tab and I'll click on my Trim Video button. This video clip has extra footage at the beginning and end that we trimmed out in an earlier movie in this course. Compressing your video and audio files will delete extraneous image or sound data, removing the beginnings and endings of media that you trimmed and cropped.

This does result in lower quality images and videos. So only perform these next steps if your file really is too large. I'll click Cancel. First, save a copy of your presentation so you can always go back to the original. This will also give you two copies of the file: a high resolution version to play on your own computer and a smaller version for sharing. I'll go up to the File tab in the upper left-hand corner and down to the second option, Save As. At the end of my file name, I'll add an _2, and press Save.

Now, go back to the File tab and this time make sure you're on Info. At the top is Media size and Performance and it tells me that my file size is 3.5 megabytes, and that I have one media clip with trimmed regions. Click on the big Compress Media button. You have three levels of compression to choose from. Presentation Quality will save space, but maintain your original quality or at least close. Internet Quality is good for streaming over the web. You should only use Low Quality when you are really having space issues or if you need a super small version of your file, for instance, to send over email.

For this presentation, I'm going to go ahead and choose Internet Quality, a medium level of compression. This choice is great if your playback will happen into a smaller size instead of full screen. After I click by Quality, the Compress Media dialogue box opens and I can actually watch as each asset is compressed. I can see a progress bar and the final result for how much file size I saved. Sometimes the savings will be insignificant, but some media clips may get much smaller. Look, I saved 1.2 MB. That can definitely help me squeeze my files on to a flash drive, save upload time, or avoid maximum file size constraints. I'll click Close.

Now notice that my Info pane now has no info. I can see my new file size of 2.2MB and also reminds me that I can undo the compression if my results are unsatisfactory. Click back on the Compress Media button and you can see that you have an option here to undo. Now here's one troubleshooting tip. If you get a message that one of the videos is unsupported, check its physical dimensions. To take advantage of compression, some file types insist that both the Width and the Height needs to be divisible by 4.

If your movie has been resized, adjust it again so that both dimensions can be divided by 4 and you should be fine. Now it's also worth noting that some QuickTime files also are not eligible for compression. Let's take a look at our results. I'll go back to Home Ribbon, click on my video, go back to the Playback tab, and then check Trim video again. I can see that my original extraneous beginning and ending material is now gone. I'll click Cancel. When I play this slide, and then play my video.

(Female speaker: Hansel and Petal for years has been providing me the most amazing, beautiful floral arrangements.) I can see that my image is a little grainy, but depending on your needs, an exchange in quality for reduced file size may be a trade-off that you're perfectly willing to make.

Show transcript

This video is part of

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

83 video lessons · 9378 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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