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Using Your Computer to Calibrate A/V Gear
Home Theater Calibration
March 13, 2009 | by .(JavaScript must be enabled to view this email address)
How a computer, some low cost software and a little knowledge can help you calibrate your A/V gear.
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6 Comments (displaying chronologically) Post a comment
Posted by CID67  on  03/13  at  09:45 AM

Why on earth would you recommend the Spiders from Datacolor With there nasty reputation of often being woefully inaccurate when there are great, affordable alternatives like the Eye One LT?

Posted by Jeff  on  03/13  at  01:56 PM

I didn’t find anything of value at the download websites mentioned in the article.  I can do better by eye than the Spyder, using something like the Avia DVD kit.

Posted by Jose  on  03/13  at  05:26 PM

SpyderTV for a picture “as the director intended”? Not even close! Did you test it before recommending?

Posted by Pretty Picture Calibrations  on  03/15  at  11:39 PM

Dude, come into the 21st century.  Data color doesn’t even support that software anymore.  The only software on the market to consider is CalMAN.
It’s what all the serious pros have switched over to use on their expensive equipment, but the company that makes it designed it to be used by the do it yourselfer, as well.  Spyders can’t be trusted, as they aren’t tested off the assembly line.
If you can’t afford an NIST certified meter - go with X-rite’s i1 Display 2, since everyone is tested before it’s shipped.

Posted by Shawn Lyman  on  03/16  at  10:13 AM

Seems everyone missed one big issue here. Calibrating any display with a computer (or any source really), is only a calibration for that one input type using that 1 source type. Meaning that if you use the VGA DB15 connection on a display and calibrate using the computer. That is all you have calibrated. It will not be a calibration for your DVD or PS3 via HDMI. Nor even a calibration for a laptop plugged into the same VGA port you just calibrated with another computer. And even if you used the computer via HDMI, it would still not be a calibration for the PS3 or DVD player via HDMI. I use computer calibration tools, sure. And it’s great for the fact that I keep the same computer on each display such as DLP front projectors, LCD monitors, LCD TVs, etc. But even though I use the HDMI for the PS3, DVD player and PC, the same PC calibration is not ideal for my other 2 sources. Luckily I can save at several presets on the display for each source, even though it’s on the same HDMI port. People should be aware that simply using your computer to calibrate a display is only good for that source computer and display via that input.

Posted by lightningrod  on  03/16  at  01:34 PM

1. Calibration is kind of a rip-off.  Every source is different, so what the heck is one supposed to calibrate against? Seems the only thing calibration gets you is a good view of how far off any given source is.  As to sound calibartion, how did the lady in the story get it “right” in the first place?
If she’s sensitive enough to notice a difference in wall paint (come on!) then she should have left her (imagined) perfect room alone….
The transducer (optical or microphone) needs to be carefully calibrated.  You won’t get accurate results with an uncalibrated unit.  The mic could do time alignment, but not frequency work.  Look at the frequency response of even a fairly good mic, and it’s all over the place.  Not to mention that a proper test mic is not the same animal as a recirding or PA mic in the first place.
Another empty article from Mr Sherwin.  Do you just type what they tell you to, or what?

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