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August 20th, 2006, 05:32 AM
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#1 |
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Regular Crew
Join Date: Oct 2005
Location: Czech republic
Posts: 47
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color correction
Just started to learn color correction by a tutorial i found on the web.
I applied Hue/sat.,Levels,Curves,Brightness,Unsharp mask. I looks better than original..on in my comp window,but sometimes when I encode the file to MPEG2 burn it and watch on TV is either too bright or some places too dark. I just cant really tell when the correction is right.What is your workflow?? |
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August 20th, 2006, 07:06 AM
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#2 |
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Regular Crew
Join Date: Jul 2004
Location: Japan
Posts: 93
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What software are you using? When you color correct an image and encode it to another format it may have a different color space than the image your coming from which would mean your image will look different. It is a good Idea to use a reference monitor to preview your image in the NTSC colorspace if that is your final output because computer screens show color differently and have different black levels.
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Intel Core 2 Quad E6600(@3GHz) | Nvidia GeForce 9600 GT/1GB PCI-e x16 DVI | 8GB DDR2-SDRAM | 2 x 1TB S-ATA2/7200rpm/32MB Hard Drives | Vista Ultimate 64 |
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August 20th, 2006, 07:10 AM
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#3 |
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Regular Crew
Join Date: Oct 2005
Location: Czech republic
Posts: 47
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Thanks.
I use After Effects for correction.Its possible to view on TV straight from AE?? |
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August 20th, 2006, 05:02 PM
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#4 |
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Regular Crew
Join Date: Jul 2004
Location: Japan
Posts: 93
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Most NLE's have the ability to do a preview out to a tv hooked up to your video card but I am not sure about AE. If you are running it as a plugin through Premiere pro you should be able to preview it but this is just speculation as I dont use PPro.
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Intel Core 2 Quad E6600(@3GHz) | Nvidia GeForce 9600 GT/1GB PCI-e x16 DVI | 8GB DDR2-SDRAM | 2 x 1TB S-ATA2/7200rpm/32MB Hard Drives | Vista Ultimate 64 |
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September 4th, 2006, 09:11 PM
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#5 |
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Major Player
Join Date: Oct 2005
Location: Long Island, NY
Posts: 208
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Of course, though, your video card must have tv-out... assuming it does the quick and easy way is simply to output your entire desktop to tv, and look at it that way.
In any case, the ability to preview on an external TV is a MUST for color grading.
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~Justine "We are the music makers, and we are the dreamers of dreams" -Arthur O'Shaunessey (as quoted by Willy Wonka) |
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September 5th, 2006, 06:58 AM
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#6 |
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Inner Circle
Join Date: Jun 2003
Location: Toronto, Canada
Posts: 4,750
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1- I wouldn't use the TV-out option from your video card... it may not necessarily be accurate. It may be affected by things like video card overlay settings.
2- Doesn't the latest version of AE have firewire out preview? |
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September 5th, 2006, 03:03 PM
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#7 |
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Major Player
Join Date: Jul 2005
Location: Welland ON
Posts: 515
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Yep, version 7 of AE has firewire preview jsut go to the video preview section of the preferences and change the preview from computer monitor to firewire.
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September 5th, 2006, 03:29 PM
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#8 | |
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Major Player
Join Date: Sep 2006
Location: London UK
Posts: 376
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Quote:
Do you need a TV monitor with an iLink/firewire connection ?? |
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September 5th, 2006, 03:44 PM
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#9 |
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Major Player
Join Date: Jul 2005
Location: Welland ON
Posts: 515
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Use your camera to act as a "firewire to tv converter" the video comes out of AE through firewire to a deck or camera in VTR mode and plays on the lcd display of the camera, then from the camera use composite or s-video (if possible) to go from the camera to the tv. That way you see your AE comps as they would look on a tv.
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September 5th, 2006, 05:34 PM
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#10 | |
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Major Player
Join Date: Sep 2006
Location: London UK
Posts: 376
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Quote:
Thanks !!!!! |
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September 5th, 2006, 05:40 PM
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#11 |
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Major Player
Join Date: Jul 2005
Location: Welland ON
Posts: 515
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No problem Lee
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"We've done the impossible, and that makes us mighty." |
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September 5th, 2006, 11:14 PM
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#12 |
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Major Player
Join Date: Oct 2005
Location: Grand Rapids, MI
Posts: 255
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I heard composite video is better than S video, is this right?
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September 5th, 2006, 11:34 PM
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#13 |
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Regular Crew
Join Date: Mar 2006
Location: Bangkok, Thailand
Posts: 97
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another investment
Another very important investment you should make is a "spider" to calibrate your monitor. Pantone offers some cheap kits, they will help. If your TV or monitor is not calibrated properly then you will be color correcting blind, for you have no reference.
Also get the book Color Correction for Digital Video by Steve Hullfish. Great book. |
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September 6th, 2006, 08:53 AM
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#14 |
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Trustee
Join Date: Feb 2004
Location: Brookline, MA
Posts: 1,447
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I am pretty sure this is due to differences in gamma and levels. Simply put, you need to preview through a broadcast monitor (not computer).
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September 6th, 2006, 09:23 AM
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#15 | |
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Major Player
Join Date: Aug 2006
Location: Ottawa Canada
Posts: 755
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Quote:
Component is better than both of them though, maybe that's what you meant. |
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