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Using the J-K-L keys for navigation

From: Avid Media Composer 5 Essential Training

Video: Using the J-K-L keys for navigation

We're going to jump back out of editing for a few movies to discuss some important navigation and customization techniques. In this movie, we'll explore one of the most important navigation tools in Media Composer, JKL. Moving quickly and deliberately or slowly and precisely through the Timeline is essential in the editing process. So far we've covered several ways to do this. Pressing Play, by hitting the Spacebar, scrubbing with the blue position Iidicator, and stepping through one or more frames at a time using the 1, 2, 3, and 4 keys.

Using the J-K-L keys for navigation

We're going to jump back out of editing for a few movies to discuss some important navigation and customization techniques. In this movie, we'll explore one of the most important navigation tools in Media Composer, JKL. Moving quickly and deliberately or slowly and precisely through the Timeline is essential in the editing process. So far we've covered several ways to do this. Pressing Play, by hitting the Spacebar, scrubbing with the blue position Iidicator, and stepping through one or more frames at a time using the 1, 2, 3, and 4 keys.

Probably, however, the most important and most often used techniques for Timeline Navigation is JKL. JKL is a variable motion and direction control device. At its simplest breakdown, J moves the Position Indicator backward in real-time, K pauses it, and L moves it forward in real-time. Let's just take a look. I'm going to press J to go backwards in real-time. (Music playing.) K to pause. And I'll press L to go forward in real-time. (Music playing.) JKL will also move you through the Timeline faster and slower than real-time.

If I press it twice, it will move it backwards or forwards at double speed. Both video and audio will play at this point. If I press it three times, it will go backwards or forwards at triple speed. Again, my audio is going to play at this point in time. If I press it four times, it will go backwards or forwards at 5 times speed. I lose my audio at this point. And if I press it 5 times, it will go backwards and forwards really fast, 8 times speed, and again I have lost my audio. Pressing K at any point during this time will stop the clip.

Let's take a look. I'll go ahead and press L once, and I'll go forward in real-time. (Music playing) Press it twice for double speed. Three times for triple speed. I press it four times and I'm at 5 times speed. I have lost my audio. And I press it 5 times and I am at 8 times speed. Notice that when I go backwards with J, I get the same result. (Clapping and cheering) Twice for double speed, three times for triple speed, four times gives me 5 times speed, and five times gives me 8 times speed.

Notice that I can also go through the clip in this fashion. Double speed, triple, 5 times speed, and 8 times speed. I really can navigate through very quickly if I use JKL. However, I can also navigate slower than real-time. Let's zoom in. (Music playing) If I press K while pressing either J or L, depending on what type of project I'm in, I can go about one-quarter speed.

Right now I'm in a 24 frame per second project, so I'm going to go forwards and backwards at 6 frames per second. I'll press K and go forward with L. You can see that I'm progressing 6 frames per second. And I'll go ahead and press K and go backwards with J. Again, I'm going 6 frames per second backwards. As you can see, there's a lot of power in JKL. One more powerful thing about it is the geography of those keys on the keyboard.

Notice that these keys are directly below I and O. Your Mark In and Mark Out keys. In this way, you can use your right three fingers to move through the footage in the source monitor or the Timeline to review the material, and then extend your middle two fingers just slightly to mark your In and Out. In that way you can use three fingers to navigate through your material. Mark it. Review it. Make your choices. And then mark your In and Out points. Because these five important keys are located so close together, you have a lot of control with just three fingers.

JKL navigation is an essential part of any editor's experience, and it's important that you work it into your muscle memory by using it to proceed forwards and backwards at variable speeds through your sequence and source monitor as you edit.

Show transcript

This video is part of

Image for Avid Media Composer 5 Essential Training
Avid Media Composer 5 Essential Training

74 video lessons · 8198 viewers

Ashley Kennedy
Author

 
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  1. 3m 43s
    1. Welcome
      1m 16s
    2. Using the exercise files
      2m 27s
  2. 22m 59s
    1. Understanding clips and media files
      2m 34s
    2. Understanding the Select Project window
      5m 40s
    3. Working in the Project window
      5m 35s
    4. Setting up and organizing a project
      5m 13s
    5. Saving and backing up
      3m 57s
  3. 50m 15s
    1. Using the Composer Monitor and the timeline
      6m 32s
    2. Adding shots using Splice
      5m 57s
    3. Adding shots using Overwrite
      7m 2s
    4. Removing shots using Extract and Lift
      4m 31s
    5. Using Extract/Splice Segment Mode to switch shots in the timeline
      5m 1s
    6. Using Lift/Overwrite Segment Mode to move shots in the timeline
      5m 59s
    7. Using direct timeline manipulation
      4m 6s
    8. Using subclips and subsequences
      3m 48s
    9. Adding and patching video tracks
      7m 19s
  4. 26m 39s
    1. Understanding trimming
      3m 42s
    2. Using A-side Single-Roller Trim to improve audio timing
      7m 59s
    3. Using B-side Single-Roller Trim to improve audio timing
      5m 41s
    4. Using Dual-Roller Trim to refine video
      6m 5s
    5. Using Ripple Trim and Overwrite Trim
      3m 12s
  5. 24m 8s
    1. Using the J-K-L keys for navigation
      4m 15s
    2. Using navigation shortcuts
      6m 26s
    3. Using the Command palette
      6m 4s
    4. Sorting and sifting clips
      7m 23s
  6. 20m 38s
    1. J-K-L trimming
      4m 11s
    2. On-the-fly trimming
      7m 18s
    3. Advanced trim methods: Slip mode
      5m 18s
    4. Advanced trim methods: Slide mode
      3m 51s
  7. 21m 33s
    1. Using the Audio tool to read audio levels
      6m 18s
    2. Using the Audio Mixer to adjust audio level and pan
      8m 27s
    3. Keyframing audio for intra-segment audio adjustments
      6m 48s
  8. 55m 23s
    1. Using Quick Transition effects
      5m 19s
    2. Using the Effects palette and the Effects Editor
      5m 21s
    3. Keyframing segment effects
      6m 0s
    4. Using nesting and auto-nesting
      5m 49s
    5. Saving effects templates
      5m 34s
    6. Building basic composites using vertical effects
      4m 53s
    7. Using the Picture-in-Picture effect
      6m 41s
    8. Creating basic motion effects
      5m 55s
    9. Using Timewarp
      5m 56s
    10. Using the Color effect
      3m 55s
  9. 9m 48s
    1. Understanding system performance
      5m 58s
    2. Rendering tracks
      3m 50s
  10. 20m 30s
    1. Analyzing footage for problems
      3m 8s
    2. Using the Y-Waveform monitor to set whites and blacks
      5m 34s
    3. Using the RGB Parade to correct color casts
      4m 42s
    4. Using the Vectorscope to improve skin tones
      3m 27s
    5. Correcting color automatically
      3m 39s
  11. 29m 16s
    1. Formatting and enhancing text using Avid Marquee
      6m 52s
    2. Using Marquee to apply shapes and gradients
      4m 23s
    3. Using title templates
      2m 40s
    4. Bringing a title into Media Composer
      3m 42s
    5. Revising the title
      2m 49s
    6. Creating rolling and crawling titles
      4m 40s
    7. Using Auto-Titler
      4m 10s
  12. 22m 3s
    1. Using the Capture tool
      5m 7s
    2. Capturing footage
      4m 26s
    3. Batch-capturing
      4m 46s
    4. Adjusting settings for import
      5m 7s
    5. Using AMA (Avid Media Access) for QuickTime imports
      2m 37s
  13. 16m 54s
    1. Understanding deletion types and cases
      3m 51s
    2. Performing bin deletion
      3m 17s
    3. Understanding the Media tool
      6m 17s
    4. Identifying and deleting media relatives and non-relatives
      3m 29s
  14. 15m 31s
    1. Understanding media delivery types
      2m 28s
    2. Preparing a sequence for digital cut to print to tape
      2m 48s
    3. Performing a digital cut
      5m 8s
    4. Exporting a QuickTime movie or QuickTime reference
      5m 7s
  15. 14m 39s
    1. Solving the offline media problem
      3m 58s
    2. Re-linking media
      2m 19s
    3. Solving Avid settings corruption
      4m 35s
    4. Using the Avid Attic to find and retrieve bins
      3m 47s
  16. 19s
    1. Goodbye
      19s

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