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Avid Media Composer 5 Getting Started
Illustration by John Hersey

Editing segments in the Timeline


From:

Avid Media Composer 5 Getting Started

with Steve Holyhead

Video: Editing segments in the Timeline

As we add, remove and refine our sequence, there will inevitably be times when we need to reorder and reposition material. The simplest way to do this is using the Segment Insert and Segment Overwrite tools. If I come over here to the Timeline palette and engage the Segment Overwrite tool, like so, now if I wanted to move this valley clip further up in my sequence, if I highlight the clip and drag it to the left, notice what happens. Only the video has come along for the ride. The audio has stayed positioned where it was.
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  1. 4m 13s
    1. Welcome
      1m 31s
    2. Using the exercise files
      2m 42s
  2. 21m 40s
    1. Starting Media Composer and creating a new project
      4m 15s
    2. Understanding Media Composer
      5m 47s
    3. Working with clips, bins, folders, and the Project window
      3m 44s
    4. Saving and backing up your work
      4m 16s
    5. Retrieving a project from the Attic
      3m 38s
  3. 27m 58s
    1. Understanding media formats and the Format tab
      8m 25s
    2. Importing media
      6m 11s
    3. Linking to media using AMA
      5m 43s
    4. Accessing media from other projects
      2m 56s
    5. Working with clips in the bin
      4m 43s
  4. 23m 49s
    1. Getting started with editing
      7m 25s
    2. Creating a new sequence
      5m 39s
    3. Removing material from your sequence
      6m 20s
    4. Editing segments in the Timeline
      4m 25s
  5. 30m 44s
    1. Using Splice, Overwrite, and three-point editing
      5m 25s
    2. Understanding trim concepts
      4m 39s
    3. Working with trim techniques
      6m 6s
    4. Using the Timeline
      7m 49s
    5. Building multitrack sequences
      6m 45s
  6. 14m 21s
    1. Adjusting audio levels and pan
      6m 42s
    2. Diving deeper into audio
      7m 39s
  7. 23m 8s
    1. Setting quick transitions
      5m 33s
    2. Working in the Effects palette
      3m 42s
    3. Keyframing effects
      7m 1s
    4. Setting system performance and rendering effects
      6m 52s
  8. 17m 37s
    1. Creating freeze-frames and motion clips
      4m 40s
    2. Understanding timewarp effects
      7m 15s
    3. Understanding Timeline compositing
      5m 42s
  9. 19m 44s
    1. Working with basic color correction
      7m 13s
    2. Stabilizing shaky footage
      1m 44s
    3. Creating a basic title
      5m 0s
    4. Mixing down video and audio
      5m 47s
  10. 6m 33s
    1. Building the final output
      6m 33s
  11. 18s
    1. Goodbye
      18s

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Avid Media Composer 5 Getting Started
3h 10m Beginner Jun 10, 2010

Viewers: in countries Watching now:

In Avid Media Composer 5 Getting Started, author Steve Holyhead explores the tools and techniques in Media Composer for producing great looking video, as well as the basics of high definition media formats. This course walks through the video production workflow from input to editing to output, covers key information such as trim concepts and frame rates, and introduces techniques such as color correction, footage stabilization, and real-time audio effects. Exercise files accompany the course.

Topics include:
  • Working with clips, bins, and folders
  • Importing media
  • Creating sequences
  • Editing in the Timeline
  • Using the Splice, Overwrite, and Three-Point editing techniques
  • Trimming sequences
  • Refining audio
  • Adding and keyframing effects
  • Compositing
  • Mixing down audio and video
Subject:
Video
Software:
Media Composer
Author:
Steve Holyhead

Editing segments in the Timeline

As we add, remove and refine our sequence, there will inevitably be times when we need to reorder and reposition material. The simplest way to do this is using the Segment Insert and Segment Overwrite tools. If I come over here to the Timeline palette and engage the Segment Overwrite tool, like so, now if I wanted to move this valley clip further up in my sequence, if I highlight the clip and drag it to the left, notice what happens. Only the video has come along for the ride. The audio has stayed positioned where it was.

So let's undo that: Command+Z on the Mac, Ctrl+Z on a Windows machine. This time let's engage the Link Selection toggle. Now when I click down and drag my clip, you can see that I'm actually taking the audio with the video. You can also see that as I drag using Overwrite mode, I am overwriting any clips that I happened to park over. In fact, if I did it again, I would have eliminated the rushing water clip.

If instead I were to toggle off the Lift/Overwrite mode and toggle on the Extract/Splice-in mode, we would get a different behavior. Let's drag the valley clip here, this clip, through to the beginning of the water clip, so click down, hold, drag, and I am going to drag it all the way to the beginning of the Timeline and let go. Look what happened. Instead of overwriting the water clip, the Valley clip inserted itself at the beginning of the sequence and pushed everything in the Timeline further down to make room.

That's what happens when you are moving clips around in the Timeline using either the Extract/Splice-in or the Lift/Overwrite segment modes. Let's do a different example with the Segment Overwrite arrow. So far, we have been positioning clips free fall, just dropping them where they may. If I wanted to snap a clip to a particular location, I could do it like this. I am going to hold down the cobweb clip, and I am going to hold down the Ctrl key on my Windows keyboard, or the Command key on my Mac keyboard.

Now, I can snap directly to the end of a clip, to the Timeline Position indicator, to the beginning of a click, or the beginning of the next click. So you can see I can actually position clips on the basis of significant moments in the Timeline, like so. The same would be true if I use the Extract/Splice-in mode. If I want to accurately position the cobweb clip at the beginning of my sequence, click, hold down, and hold down Command on the Mac or Ctrl on a Windows machine, drag, and now I know that I've inserted that clip directly at the beginning of the Timeline.

This is important. If I undo that look what happens if I do it again, but I don't hold down Ctrl, and I accidentally drop it just a couple of frames from the beginning. Now, I am going to get a little bit of the original clip, followed by the next clip. So to avoid flash frames like that, use the Snapping function in your Timeline to align your clips up accurately. So far, I've been working by toggling backwards and forwards between the Lift/Overwrite and the Extract/Splice-in mode.

Another way to work will be to engage both arrows at the same time. Now when I move over into my sequence, you can see that if I hover over the lower portion of my clip, I get Extract/Splice-in mode. If I hover over the upper portion of my clip, I get Lift/Overwrite mode. If I now wanted to overwrite the end of this clip with the valley, then I would click down on the upper portion of my clip, and I am in Lift/Overwrite mode. If I wanted to reposition the water clip at the beginning of my sequence, click down on the lower portion of my clip, and now I can drag that to the beginning of my sequence and let go.

The ability to move and reposition clips without losing sync between audio and video is controlled by the Link Selection toggle, by using either the Extract/Splice-in or the Lift/ Overwrite modes, either separately or in conjunction with each other, makes a very easy and intuitive approach to editing.

Find answers to the most frequently asked questions about Avid Media Composer 5 Getting Started.


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Q: I'm having a little trouble in the Chapter 2 "Linking to media using AMA" video.

When I follow the procedure shown to link to AMA volume - Humming Birds, instead of the bin with the clips opening as shown in the training video, I'm presented with a Bin Selection dialog box. All options in this dialog result in the same message:

Unable to link to any clips at/ (followed by the directory)

Do I need to have a particular camera codec installed on my system in order to read/import these training files in the AMA folder?
A: With Media Composer 5.5 onwards, the AMA plug-ins must be downloaded and installed after installing the Media Composer application.

If the AMA plug-in for your camera type (in this case P2) has not been installed manually, then the AMA link will fail. This is a change from Media Composer 5.0, when the AMA plug-ins were bundled into the main application installer.

Once the AMA plug-in needed (in this case P2) has been downloaded and installed, this will solve the problem.

All AMA plug-ins can be found at http://www.avid.com/US/products/Avid-Media-Access. Choose the Plug-In sub-tab and download from there.
 
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