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iMovie '09: Speed Clips up to 2,000%

iMovie '09 brings back the capability to speed up or slow down clips, which went missing in iMovie '08. Select a clip and bring up the Clip Inspector by double-clicking the clip, clicking the Inspector button on the toolbar, or pressing the I key. Just as with its last appearance in iMovie HD 6, you can move a slider to make the video play back slower or faster (indicated by a turtle or hare icon).

You can also enter a value into the text field to the right of the slider, and this is where things get interesting. You're not limited to the tick mark values on the slider, so you can set the speed to be 118% of normal if you want. The field below that tells you the clip's changed duration.

But you can also exceed the boundaries of the speed slider. Enter any number between 5% and 2000%, then click Done.

Visit iMovie '09 Visual QuickStart Guide

 
 

More On Viruses

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Murph Sewall wrote to tell us that he talked to both Lloyd Chambers, author of AutoDoubler, and Greg Friedman, Technical Director of Aladdin Systems. Murph was concerned that if an infected application was compressed by either AutoDoubler or Aladdin's forthcoming SpaceSaver, that perhaps virus checking programs like Disinfectant would not detect the virus. Both Lloyd and Greg said that as long as the virus checking program accessed the infected files through the Resource Manager, they should successfully detect viruses. So the use of transparent compression utilities such as AutoDoubler, SpaceSaver, and (presumably) More Disk Space from Alysis should not impede the functioning of a virus checking utility. This is not to guarantee that all virus checkers will detect all infections in any sort of transparently compressed file, but I know that AutoDoubler and Disinfectant work fine together, and I imagine that other combinations do as well.

Porting Viruses -- Murph continues, "Here's a humorous rumor. A member of our local user group called yesterday to ask if it was true that the Michelangelo virus would affect Macs as well as PCs. As a friend of mine (who works for Apple) says, authors of viruses rarely publicize what platforms are supported. Porting that sort of code from one operating system to another is a thankfully daunting proposition. Still, I may do a full backup on March 5th." [Adam: This rumor about a Mac version of Michelangelo being a Mac virus seems to be going around. As far as I know, this is merely a humorous and incorrect rumor.] [Tonya: It gets less humorous when you spend a lot of your day explaining how it's only a rumor. ;-)]

Information from:
Murph Sewall -- SEWALL@UCONNVM.UCONN.EDU

Virus Checking Code -- Last week I suggested that perhaps Claris could put their integrity checking code into the public domain so that other programmers could use it. Several people quickly pointed out the problem with this idea - publicizing the code would make it easy for virus authors to circumvent it. In addition, the more different techniques that people use to prevent viruses from infecting their programs, the harder it will be for a virus to pass unnoticed.

Marshall Clow adds:

There are lots of easy things that an app can do to make life difficult for viruses:

  • Mark your resources "protected", especially "CODE 0" and "CODE 1". This makes it more difficult to change them.

  • Mark your resource map "read-only". This makes it more difficult to add or enlarge resources.

  • Check the number and sizes of your CODE resources occasionally. Note that infection need not occur at program startup!

Use your imagination! Be creative! Be a winner like Claris! P.S. I have no affiliation with Claris.

Information from:
Keith Instone -- instone@euclid.bgsu.edu
Edward Reid -- ed@titipu.meta.com
Marshall Clow -- marshall@sdd.hp.com
Murph Sewall -- SEWALL@UCONNVM.UCONN.EDU

 

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