Learn about how to edit Event markers in Analysis view, how to adjust the Event Sensitivity setting, and how and when to use the X-Form processor.
- [Instructor] When using Elastic Audio, you may find that the quality of some of your tracks is not as good as others. Fortunately, it usually takes just a few simple steps to dramatically improve your results if you know where to start. To illustrate the situation, let's look at this bass guitar track that I've imported and conformed to the session tempo map. Although the current tempo is not that different from the original tempo of the bass, we can hear some pretty nasty artifacts from the warping that's been applied. Let's take a listen.
I'll solo the track with the drums. (guitar and drum music) You can hear that the bass sounds really warbly and a bit grainy especially during the sustained notes. (guitar and drum music) Now that's really unnatural, so this is a common issue caused by excess event markers. As I covered previously, Pro Tools adds event markers on Elastic Audio enabled tracks using a transient detection algorithm.
What I didn't mention before is that the transient detection in Pro Tools is very sensitive, so it often picks up false transients. Having unnecessary event markers can cause problems when you conform or warp audio as Pro Tools treats the marked areas as attacks rather than as sustained notes. If we look at the bass track here in Analysis view, we can see the current event markers. Here we can see a whole lot of event markers that have been erroneously added throughout each of these notes.
We really only want to see one event marker on each note at the very start. In Analysis view, I can use the Grabber tool to delete individual event markers, but that could be really tedious and time-consuming in a case like this. To speed up the process, we can use the Elastic Properties window instead by choosing Clip, Elastic Properties. Now this is a clip-based function, so I'll need to select the entire clip first. The best way to do that in Analysis view is to triple click on the clip with the Selector tool.
The event sensitivity field in the Elastic Properties window can be used to eliminate falsely detected transients. Lowering the sensitivity by just one or two percent can have a dramatic result. Here you can see that a setting of 98% has cleaned up the detection on those initial notes. Now if I reduce it a few more percent, I've now lost some of the event markers that I want to keep over here. You may need to experiment a bit to find the best balance.
You might also need to manually address a few remaining issues. For example, using a Grabber tool I can add any missing event tool markers by control clicking or start clicking on Windows, and I can remove any remaining event markers that are unneeded by Option clicking on the Mac or ALT clicking on Windows. I can also reposition any event marker that's in the wrong place by clicking and dragging. You'll want to work your way through the track to clean up any other problem areas. Just keep in mind that's it generally better to be missing a few event markers than it is to have too many.
With the number of event markers reduced, let's take another listen. (guitar and drum music) That's now much better. Alright, let's turn our attention to the guitar track and listen to a bit of that soloed. (guitar music) Alright, so here we also have some bad artifacts, but this time they're a result of the program material rather than the event markers.
The problem is especially noticeable in areas where there's a lot going on sonically like here around bar eight. Let's select a portion of that with the selector. (guitar music) Alright, so I've been using the monophonic processor on this track, but we can switch the track to exform at this point. I'll make it a little bigger so you can see the plugin selector. We'll choose Exform.
The clip will go offline while processing, so you'll have to wait for that to complete before continuing. Okay, now that the processing is complete, we can check out the results. Let's here that section again. (guitar music) Alright, that sounds much better. I'll undo to compare. (guitar solo before changes) That's before. (guitar solo after changes) That's after.
Alright, let's hear that all together. ( completed instrumental music) The trick to getting clean results from Elastic Audio is to start with accurate event markers. Use Analysis view to examine the event markers. Use the Event Sensitivity setting in the Elastic Properties window to address false transients in Vault.
Use the Grabber tool to add, remove, or reposition individual markers as needed. For the highest quality results, use the Exform processor. Just be prepared to wait while the track renders. Because Exform can take a long time to process, I recommend saving this for the last step after all of your Elastic Audio conforming, warping, and quantizing has been completed.
- Starting a new session
- Customizing settings
- Optimizing the performance of Pro Tools
- Importing loops and tracks
- Working with meter changes
- Recording multiple takes
- Changing the track timebase
- Editing MIDI clips
- Warping sound and tightening rhythm with Elastic Audio
- Using the Smart Tool
- Color coding tracks
- Editing on the grid
- Working with AudioSuite plug-ins
- Working with sends, plug-ins, and master faders
- Working with track subsets
- Finalizing and exporting media