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Editing with Elastic Time

From: Pro Tools 8 Essential Training

Video: Editing with Elastic Time

Elastic Audio in Pro Tools refers to both Elastic Time and Elastic Pitch. Both are more fully featured than what's available in Time Compression and Expansion plug-ins like Time Shift. Although Elastic Audio has a feature set that's very large, I'll explain many of the concepts in this video, and then lead you through some exercises to experience the power of Elastic Audio. Let's take a look at Elastic Time. Elastic Time analyzes audio regions for transient events like drum hits and guitar chords and enables you to conform these events to session's tempo, a quantization grid or manually using the Edit Tools in Warp view. Let's try it out.

Editing with Elastic Time

Elastic Audio in Pro Tools refers to both Elastic Time and Elastic Pitch. Both are more fully featured than what's available in Time Compression and Expansion plug-ins like Time Shift. Although Elastic Audio has a feature set that's very large, I'll explain many of the concepts in this video, and then lead you through some exercises to experience the power of Elastic Audio. Let's take a look at Elastic Time. Elastic Time analyzes audio regions for transient events like drum hits and guitar chords and enables you to conform these events to session's tempo, a quantization grid or manually using the Edit Tools in Warp view. Let's try it out.

First, I'm going to change the Timebase from Samples to Ticks. Then I'm going to enable Elastic Audio and I'm going to choose Polyphonic as the algorithm. As soon as I choose that, Pro Tools, behind the scenes, analyzes the audio waveform for its transient events. In the drumbeat here, it's pretty easy to pick them out. Now, let's have some fun. I'm going to change the session tempo to a bunch of different tempos, and you're going to notice how the loop conforms to each tempo. I'm just going to double-click here, and if I enter 105, you'll see that the entire session moves and this region remains as a four-bar loop.

Now if I go and change the tempo to something else, try 80. It does the same thing. It expands out, but it remains a four-bar loop. Let's hear what this sounds like at this lower tempo. (Music playing.) Not too bad. All right, let's undo what we've just done, couple of tempo events. Now we're back to the original and let's change this from Polyphonic to Varispeed. Now, Varispeed links the time and pitch change together, like how a tape machine would react, if you speed it up or slow down the tape. So, let me change this tempo up to 105, and we'll hear the pitch change and the tempo change.

(Music playing.) Now, compare the pitch, if I undo that, and we'll listen to the original pitch. (Music playing.) So, use Polyphonic, if you don't want the pitch to change and use Varispeed if you do. Now, let's look a little closer on what's going on with Elastic Time. I'm going to switch the Track view over to Analysis and I'm going to zoom in and you can see that Pro Tools has placed these Analysis markers near all of the transients. And as the tooltip tells you right there, you can click-and-drag and you can reposition the marker if you want to.

Now, if we go over to Warp view, we have those same Analysis markers, but we can change them into Warp markers if we just double-click on them. Now, I'm going to click out of this track so that it's not selected any more, and you'll be able to behold the power of the Warp markers. Check this out. I'm going to click-and-drag, and look at how easy it is to control the audio. So, if I want to actually move pieces of the waveform and align them with the tempo grid or with any other audio event, it's very easy.

I've used Warp markers like this to align all kinds of parts, Bass parts, Drum parts, Vocal parts, you name it. Align it up to the grid, align it up to other events, extremely powerful! Now, let's try out adding a Groove template to this loop using Elastic Time. So, I'm going to zoom out and I'm going to go back to Waveform view. I'm going to select the region and then I'm going to go to Event > Event Operations > Quantize, and notice we have Elastic Audio Events right here.

I'm going to choose a groove. Let's go down to the MPC Style Grooves and I'll try out MPC 70% 16th Swing. I'm going to move this over to the side here, so when I hit the Apply button, you can see what happens with the waveforms; they moved. So, let's press Play and we'll hear what this sounds like. (Music playing.) Some funky stuff going on in there. Now, I have those Warp makers still in here. So, there was some shifting going on in there. But you can tell that this has a little bit more swing than what the original drum loop had.

So, I'm going to undo this real quick and switch it back over to the Warp Analysis and reapply it. Now watch what happens with the Warp markers. They move just slightly and again you could go in here and adjust any of them however you want. Let's hear. (Music playing.) You can make some crazy effects with this stuff and you'll notice that part of the reason that we're getting this pitchiness in here is because we're using the Varispeed Elastic Audio. If we're using the Polyphonic Algorithm, we wouldn't get those pitch variations. Let's take a quick listen and you'll hear. (Music playing.) No pitch variations. One thing we should also notice in this menu is that we're on Real-Time Processing right now. This can be very demanding on your computer, especially if you have a lot of tracks that are Elastic-Audio-enabled. So, if we go to Rendered Processing, Pro Tools will actually render and create a temporary file, so it's not Real- Time anymore. This will save a lot of processing power for your computer and you can always go back to Real-Time when you need to.

Now, let's go and check out the Elastic Properties window. So, I'm going to select this region and then I'm going to right-click and choose Elastic Properties. So, there is a lot of options for things that we can do in here. We could actually make this region half the size that it is by clicking this and let's actually hear what that sounds like. (Music playing.) Interesting! I'm going to undo that. While we're in this window, we can change all kinds of different things, the tempo, the meter, the event sensitivity, the input gain and the pitch shift, or we can reset everything back to the original. So, this is a pretty powerful little window.

One last thing I want to talk to you about with Elastic Properties are in the Preferences. So, we go Setup > Preferences > Processing and the Elastic Audio section here. We can set the default Elastic Audio plug-in. We can choose any of the four; Polyphonic is usually a good one to start with. We can choose to enable Elastic Audio on all new tracks if we check this off. Now, usually I recommend keeping that off because Elastic Audio does take up a lot of processing power, so we don't need it on if you're not using it.

Elastic Time is great for conforming performances to a different tempo or groove from what they're originally recorded at. Use this for time-aligning any type of performances. It is really amazing the power that you have over rhythmic events in Pro Tools with Elastic Time.

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This video is part of

Image for Pro Tools 8 Essential Training
Pro Tools 8 Essential Training

120 video lessons · 10655 viewers

David Franz
Author

 
Expand all | Collapse all
  1. 12m 54s
    1. Welcome
      1m 16s
    2. Exploring the different versions of Pro Tools
      2m 30s
    3. Optimizing your computer before installing Pro Tools
      3m 51s
    4. Troubleshooting
      3m 1s
    5. Using the exercise files
      2m 16s
  2. 23m 41s
    1. Connecting your Pro Tools system
      5m 8s
    2. Powering up and powering down
      58s
    3. Optimizing Pro Tools performance
      6m 55s
    4. Setting essential preferences
      3m 42s
    5. Creating a Pro Tools session
      3m 56s
    6. Identifying elements in a session folder
      3m 2s
  3. 47m 9s
    1. Exploring the Edit window
      4m 50s
    2. Exploring the Mix window
      2m 21s
    3. Exploring the Transport and Big Counter windows
      4m 0s
    4. Using the Color palette and window arrangements
      2m 55s
    5. Investigating Pro Tools menus
      4m 37s
    6. Creating new tracks
      4m 10s
    7. Understanding samples and ticks
      3m 36s
    8. Viewing and manipulating tracks
      5m 54s
    9. Adjusting the I/O setup
      7m 7s
    10. Understanding signal paths and gain stages
      3m 50s
    11. Utilizing keyboard shortcuts and keyboard focus
      3m 49s
  4. 30m 43s
    1. Using DigiBase and the Workspace browser
      5m 6s
    2. Importing audio
      5m 13s
    3. Importing MIDI
      3m 55s
    4. Importing session data
      6m 17s
    5. Importing tracks from a CD
      4m 18s
    6. Importing video
      2m 57s
    7. Unmounting a hard drive
      2m 57s
  5. 1h 2m
    1. Recording audio
      5m 6s
    2. Playing back audio
      10m 31s
    3. Creating a Click track
      4m 53s
    4. Overdubbing and using the record modes
      9m 25s
    5. Recording with playlists and the Loop Record mode
      3m 6s
    6. Punch recording and using the monitoring modes
      5m 28s
    7. Dealing with latency
      4m 17s
    8. Creating a group
      4m 33s
    9. Adding effects while recording
      7m 41s
    10. Creating a headphone (cue) mix
      5m 34s
    11. Assigning disk allocation
      2m 13s
  6. 1h 26m
    1. Understanding nondestructive editing and region types
      3m 31s
    2. Using the Selector and Grabber tools
      3m 29s
    3. Using the Trimmer and Scrubber tools
      6m 57s
    4. Using the Zoomer tool and Zoom presets
      5m 14s
    5. Using the Pencil tool
      3m 27s
    6. Using the Smart tool
      1m 26s
    7. Understanding the edit modes
      7m 54s
    8. Arranging regions
      8m 38s
    9. Undoing an edit
      2m 3s
    10. Utilizing fades and crossfades
      10m 29s
    11. Building a comp track using playlists
      5m 28s
    12. Locking and muting regions
      3m 36s
    13. Special buttons in the Editing window
      8m 16s
    14. Creating an audio loop
      5m 11s
    15. Editing a voiceover
      10m 59s
  7. 18m 43s
    1. Working with region groups
      5m 47s
    2. Setting time, tempo, meter, key, and chord
      5m 46s
    3. Creating memory locations
      7m 10s
  8. 35m 30s
    1. Setting up MIDI on a Mac
      4m 25s
    2. Setting up MIDI on a PC
      2m 50s
    3. Setting up MIDI in Pro Tools
      2m 46s
    4. Recording MIDI data
      5m 24s
    5. Recording multiple MIDI tracks with one virtual instrument
      2m 15s
    6. Recording options for MIDI
      6m 27s
    7. Using step input
      4m 45s
    8. Making a drum loop with MIDI Merge
      2m 51s
    9. Composing with virtual instruments
      3m 47s
  9. 48m 41s
    1. Using the edit tools for editing MIDI data
      8m 23s
    2. Editing MIDI data with the MIDI Editor
      7m 20s
    3. Working with the MIDI event list
      2m 41s
    4. Editing MIDI data with event operations
      8m 25s
    5. Quantizing MIDI tracks
      11m 31s
    6. Creating and using groove templates
      5m 59s
    7. Utilizing real-time properties
      4m 22s
  10. 18m 51s
    1. Exploring the Score Editor
      5m 22s
    2. Using the Score Editor
      6m 33s
    3. Setting up a score
      4m 30s
    4. Printing and exporting a score
      2m 26s
  11. 19m 0s
    1. Utilizing the Time Shift plug-in
      7m 41s
    2. Editing with Elastic Time
      8m 30s
    3. Editing with Elastic Pitch
      2m 49s
  12. 48m 20s
    1. Working with Boom
      11m 23s
    2. Working with Xpand2
      7m 21s
    3. Working with DB-33
      6m 58s
    4. Working with Vacuum
      7m 55s
    5. Working with Structure Free
      7m 12s
    6. Working with Mini Grand
      3m 57s
    7. Using Midi Learn
      3m 34s
  13. 25m 55s
    1. Writing and editing automation
      6m 4s
    2. Drawing automation with the Pencil tool
      4m 56s
    3. Editing automation with the Trimmer and Grabber tools
      2m 9s
    4. Cutting, copying, pasting, and clearing automation
      4m 5s
    5. Turning automation on and off
      4m 25s
    6. Automating plug-ins and virtual instruments
      4m 16s
  14. 1h 40m
    1. Setting up a session for mixing
      8m 0s
    2. Setting up an effects loop
      9m 18s
    3. Working with plug-ins
      3m 53s
    4. Dealing with delay compensation
      6m 51s
    5. Applying EQ
      9m 19s
    6. Adding compression
      11m 17s
    7. Applying limiters
      2m 57s
    8. Using Gates and Expanders
      4m 40s
    9. Working with Side Chains
      3m 35s
    10. Working with De-Essers
      3m 4s
    11. Adding delay
      7m 34s
    12. Utilizing modulation effects
      4m 43s
    13. Adding reverb
      7m 5s
    14. Adding harmonic effects
      5m 7s
    15. Renting and purchasing plug-ins
      2m 2s
    16. Applying AudioSuite plug-ins
      5m 19s
    17. Bouncing down a mix
      5m 50s
  15. 25m 44s
    1. Setting up a session for mastering
      8m 56s
    2. Using plug-ins for mastering
      8m 47s
    3. Applying Dither and Noise shaping
      4m 5s
    4. Bouncing down master recordings
      3m 56s
  16. 19m 52s
    1. Importing and displaying video files
      4m 20s
    2. Adding music, foley, ADR, and FX
      12m 28s
    3. Bouncing down video and audio together
      3m 4s
  17. 4m 50s
    1. Archiving an entire session
      4m 50s
  18. 31s
    1. Goodbye
      31s

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