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Canon XL and GL Series DV Camcorders
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Old November 8th, 2004, 01:52 PM   #1
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better desciptions of features

Okay. This is the basic question. Is there somewhere I can go to get a more complete description of what the different settings do? For example.....for noise reduction. It probably says something like "use this to adjust the ammount of noise reduction used when recording." But does this occur before gain, after gain....how does it work.....when not to use it. The same for coring and knee and blacks. I understand this basically but would like more detail how the controls work on the XL2.

Sometime back I had a good conversation with Don Berube and he said all of these settings give you great control of the image if you use them right and that he (along with others on this board) had been privvy to demonstrations by Canon engineers on how exactly these worked and how to apply them to get good real world results. This is what I am looking for. MAybe we can set up a resource where we can share our knowledge of how these all work and when to use them and when not too.

Because I hate looking in product manuals to find out what the "Color Distention phase manipulator circuit" does and get an answer like this: "turns the Color Distention phase manipulator circuit on or of. The default is off".

Anyone agree?
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Old November 8th, 2004, 02:13 PM   #2
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Yes, I agree. The XL2 manual isn't very detailed. If fact, it is not at all. You can look for basic info on each function, but don't look there to find detailed information about how and when to use each knee, black, setup, gain etc. setting. It's just not in there.

I read this manual from start to end, and there's nothing I learned in there that I didn't learn already by just playing with the different settings of the camera when I first got it, and this is coming from someone that does not know a whole lot about all those pro video adjustments. I'm definitelly looking for a comprehensive guide for using those settings.
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Old November 8th, 2004, 03:32 PM   #3
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Hey Marty,

The Canon site actually has the best explanation I've seen thus far.

The link is:

http://consumer.usa.canon.com/ir/con...elid=10350#f11

Scroll to the bottom where it says complete feature list. This may not be everything you're looking for, but it's way better than the manual.

=gb=
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Old November 8th, 2004, 03:51 PM   #4
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From the online source you pointed me at:

Knee (H/M/L)
Among the XL2's picture-enhancing circuits is the knee circuit. Setting the control to high, medium or low manages the highlight compression of the video signal

So does high mean that it the whites blow out? OR does it mean that it compresses it and keeps it from blowing out.

The same for low?

To me it isn't quite clear what they are saying. I guess if I look at the curve that is in the manual I Can figure that out.
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Old November 8th, 2004, 04:57 PM   #5
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Oh man what I wouldn't give for an "XL2 for Dummies" book! I've seen some resources for the XL1s and I'm just hoping that XL2 resources will be coming soon.

Matt
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Old November 8th, 2004, 05:23 PM   #6
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Marty,

Page 68 of the manual actually has a better explanation of knee and black press because it shows how the different settings affect the gamma curve.

=gb=
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Old November 8th, 2004, 05:44 PM   #7
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<<<-- Originally posted by Greg Boston : Marty,

Page 68 of the manual actually has a better explanation of knee and black press because it shows how the different settings affect the gamma curve.

=gb= -->>>

Greg,
Thats what I was referring to when I said above "To me it isn't quite clear what they are saying. I guess if I look at the curve that is in the manual I Can figure that out."

Thanks anyway. I guess part of this whole thing is about manuals in general being vague. Especially software. You can have a button in a editing software that says "chromatic expander threshold" and you don't know what it is. So you look in the help file and it says "turns the chromatics expander threshold on or off."

Arghh!!!! I could figure that out.

Thanks.....I just hate modern manuals and help files.
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Old November 8th, 2004, 05:55 PM   #8
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Greg,

But if you've never worked with a gamma curve before and don't really know what it is, the manual is still less than helpful. Sure it sheds some light on it, but I would much rather hear from a DP who can explain not only what something does, but how to best use it in a variety of circumstances.

Matt
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Old November 8th, 2004, 07:10 PM   #9
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I didn't think of that as I have been adjusting curves in software for several years. IF you don;t know the curves then I guess it doesn't tell you squat!
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