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First Look Review: Compressor 4: Any Major Improvements?

On June 21, 2011, Apple released Final Cut Pro X, a complete re-write of its venerable professional video editing program. Along with it came new versions of Motion and Compressor. Compressor, now at version 4, has long been the pro's tool of choice for software video compression, especially for DVD and Web authoring, and is generally considered the best available platform for H.264 compression. In this review, we're going to take a look at the new version of Compressor and see what, if anything, has changed.


First Impressions

Unlike Final Cut Pro (FCP) and Motion, which have radically re-designed interfaces, Compressor 4 looks identical to version 3.5. The only immediate difference is that when you first launch the program, you see this window:


This lets you choose one of Apple's new compression templates, which are presets for video and audio compression to a variety of standard formats and hardware devices. For many users, choosing one of these templates will be all they'll need to do. Many of these templates also include what are known as Post-Processing Job Actions. Those are automated actions that, after your video is compressed, will automatically upload your compressed clip to your YouTube account, or burn a Blu-Ray disc from your MPEG files to name a few examples. Some of these Post-Processing Job Actions were also included in Compressor 3.5, so there's nothing new here, although there are more of them available than before —see the two images below for the Job Actions available in version 3.5 and 4, respectively.


About the only other visible difference between 3.5 and 4 is that version 3.5's Batch Monitor is now called "Share Monitor":


But Share Monitor works the same as the old Batch Monitor, so the name is the only real difference.


Disappointments

So are there any reasons for version 3.5 users to upgrade to version 4? Well, if you're going to be working with FCP X and Motion 5, you'll need Compressor 4, as the "Send To Compressor" command in FCP X will only work with version 4. But other than that, I'm afraid the answer is no. 

First of all, unlike FCP X and Motion 5, Compressor 4 is still a 32-bit application. You can check this by running Compressor 4, then launching Activity Monitor (in Applications > Utilities). The ‘Kind’ column will display the code architecture for the application in parentheses: "64 bit" means it's a 64-bit app, no listing means it's 32-bit:


And unlike some apps, such as Safari, which allow you, for purposes of compatibility with third-party plugins, to choose whether the app will run in 64-bit or 32-bit mode ('Get Info' on the application in the Finder to see this switch):


Compressor 4 has no such check box:


Why is this important? First, 64-bit apps can address more RAM than 32-bit apps, although for most users this isn't significant, as most users have nowhere near enough RAM to make a difference. More importantly (and without going into a lot of technical detail), 64-bit apps are generally faster than 32-bit apps, as the larger word size, with the right hardware, allows for faster code execution. And with video compression, faster is always better.

In fact, while we're on the subject, let's take a look at a quick benchmark. I compressed an 8-minute, 1280 x 720 video clip in each version to H.264 at its best settings, using the same specifications we use for our macProVideo.com online video tutorials. Here are the results:

  • Compressor 3.5 job: 8:52
  • Compressor 4.0 job: 8:52

That's right: they're exactly the same! Compressor 4, at least in my brief testing, has not been optimized in the least over Compressor 3.5. And that's the biggest disappointment of all—like I said, in the world of video compression, faster is always better.


Final Thoughts

If you're using FCP X and Motion 5, then getting Compressor 4 (or X) is a no-brainer—it's still among the best tools for video compression in OS X, especially for H.264. And since you must use Compressor 4 to compress from FCP X or Motion 5, you don't have a choice anyway. The sweetener here is that the price of admission is more than reasonable with Compressor priced at $50.

But if you're already working with Compressor 3.5 and don't plan to upgrade to FCP X, or at least plan to continue to do most of your professional work in Final Cut Studio, there's really no compelling reason to upgrade to Compressor 4. And that's really too bad—it looks like Apple has missed a great opportunity to upgrade all its video tools across the board.

Use these Video Tutorials to learn everything you need to know about Final Cut Pro X and Motion 5 (coming soon)!

Richard Lainhart

Richard Lainhart | Articles by this author

Richard Lainhart is an award-winning composer, filmmaker, and author. His compositions have been performed in the US, Europe Asia, and Australia, and recordings of his music have appeared on the Periodic Music, Vacant Lot, XI Records, Airglow Music, Tobira Records, Infrequency, VICMOD, and ExOvo labels. His animations and short films have been shown in festivals in the US, Europe, and Asia, and online at ResFest, The New Venue, The Bitscreen, and Streaming Cinema 2.0. He has authored over a dozen technical manuals for music and video hardware and software, served as Contributing Editor for Interactivity and 3D Design Magazines, and contributed to books on digital media production published by IDG, Peachpit Press, McGraw Hill, and Miller Freeman Books. Previously an Adobe Certified Expert in After Effects and Premiere, a demo artist for Adobe Systems, and co-founder of the official New York City After Effects User Group, he was, from 2000-2009, Technical Director for Total Training Productions, an innovative digital media training company based in New York and California.

Comments

Jun 25, 2011
Drumhum
"compressor... is generally considered the best available platform for H.264 compression."

By whom?
Have you tried Squeeze or Episode? Even Adobe's encoder makes better h.264.

I am bitterly disappointed with the latest Compressor.

Compressor is neither a jack-of-all-trades (wmv? , webm? , flash?) or a focussed master.

It's QuickTime 7 with mpeg2.

Shocking show, Apple.
Jun 27, 2011
rlainhart
Drumhum: I have tried Squeeze and Episode, in fact, and because Compressor does what I've heard is five-pass VBR encoding, I've always felt that Compressor's H.264 was the smoothest. That's my opinion, of course, but I'm not the only one I know of.

As for the rest of your comments, I can't disagree...
Jul 18, 2011
Compressor 4 DOES support 64-bit processing, for supported codecs. Only the app itself is still 32-bit.
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