Qlab & Keynote side by side

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ra byn taylor

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Aug 23, 2012, 8:18:15 PM8/23/12
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So by the end of the day I realized that this group is going to have to use both Qlab & Keynote to get thru this event. 

A few questions for the video veterans...

Is there any issues with having both open at the same time as long as they're not fighting each other (one with mirroring on / one with it off)?

Keynote slide resolution being different than the native resolution of the projector?

Is there are conflict with assigning the same audio device to both apps at the same time? Or in order to have 2 apps share should I set the OSX outputs to be the audio device?

Any other gotchas I should be concerned about? 

I recall there being some handy "makes the background black" app discussed at some point. I just ended up grabbing a 16:9 black background & loading that but if there is a better way to do it, please do tell.

I told the company that next year they should use (2) Macs & have a switcher. What would be a good switcher to do this that wouldn't create it's own problems?

Thanks in advance.

ra byn

Chris Eschweiler

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Aug 23, 2012, 9:57:06 PM8/23/12
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If you're using projectors that are natively 1024x768, then a PresentationPro would be more than enough. Added bonus: you can store a logo screen.


On Aug 23, 2012, at 7:18 PM, ra byn taylor wrote:

> What would be a good switcher to do this that wouldn't create it's own problems?
>
> ra byn

Christopher Kulesa

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Aug 24, 2012, 8:52:53 AM8/24/12
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As long as you are not running video through QLab there should not be an issue. I found the hard way that if QLab is running video and Keynote is then started they tend to not get along, fight for resources, and QLab come out on top. Keynote animations and video will be jerky and rough and ends up making the presentation look awful. I assume they are using the same video/animation engine.

When using QLab just for audio and Keynote for video I've not had issues.

Regards,
Christopher

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ra byn taylor

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Aug 24, 2012, 12:46:05 PM8/24/12
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On Fri, Aug 24, 2012 at 7:52 AM, Christopher Kulesa <christoph...@gmail.com> wrote:
As long as you are not running video through QLab there should not be an issue. I found the hard way that if QLab is running video and Keynote is then started they tend to not get along, fight for resources, and QLab come out on top. Keynote animations and video will be jerky and rough and ends up making the presentation look awful. I assume they are using the same video/animation engine.

I'll coordinate having the operator close one app & open the other instead of leaving them going at the same time.

So far, I haven't had any issues with Keynote being open at the same time Qlab is but I also haven't used Keynote. It's just open.

This whole QLab trial by fire has been an interesting experience. Everyone was trying really hard to just use Keynote & today I think they all finally saw the magic of Qlab.  The conductor decided that he wants to pause on a frame of the video while the audience applauds & then have the end fade out. Obviously a "unknown amount of pause."

Not for Qlab. Pause video via a postwait time of X triggering a pause cue.

When the applause dies down, the op triggers the next cue which is a start cue for the original video.

No problem. Try doing that in Keynote:)

Try giving the operator a list of LLT cues so they can jump around in a 30 minute video based on bar & measure numbers.

Thanks for everyone's help in this matter.

FYI, the 30 minute video file is about 6gb & it's running on an old Mac Book Pro with 2gb of ram. No issues.

Best regards,

ra byn

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