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All solid points by the resident gurus...
None the less I just ordered one. This has come up before but now with a
number of ISF approved video cards and and some other things on my
horizon this looks like a great tool for setting up PC sources.
Seems to be highly educational as well!
Merry XMAS,
Richard Fisher
www.HDLibrary.com Published by Tech Services
A division of Mastertech Repair Corporation
Dave Hancock wrote:
> ----- HDTV Magazine Tips List -----
>
> And the REAL issue for calibration remains unresolved with either this,
> or the various DVDs: To calibrate, one needs instrumentation
> (Colorimeter, Spectroradiometer, or (at least) an Optical Comparator).
> Also needed is access to the adjustments (usually hidden in the Service
> Menu) and the knowledge to intelligently make those adjustments without
> screwing the set up.
>
> None of that is addressed by this gadget.
>
> Doug Weil wrote:
>
>> ----- HDTV Magazine Tips List -----
>>
>> Shane, the main problem with this sort of end-around test pattern
>> device is
>> that PC video cards -- desktop or laptop -- vary widely in how they
>> actually
>> output video signals.
>> At a macro level, there's a major issue with whether the PC video card is
>> outputting PC levels (black at 0 and white at 255) or video levels
>> (black at
>> 16 and white at 235). If the PC card was designed for PC levels
>> (likely) and
>> not able to be reconfigured for video levels (also likely), then
>> calibrating
>> for sources that use video levels is going to be difficult, if not
>> impossible.
>> At a more granular level there are a lot of other variations in the
>> signals
>> coming off a PC video cards that could seriously compromise the
>> integrity of
>> the test signals coming from this USB device.
>>
>> Regards,
>>
>>
>> Doug
>> Clearly Resolved Image & Sound
>>
>> Business: +1 (618) 234-2865
>> Cell: +1 (314) 495-2993
>>
>> eMail:
[email protected]
>> Web:
http://www.clearlyresolved.com
>>
>> Affiliated with the Imaging Science Foundation
>>
http://www.imagingscience.com
>> -----Original Message-----
>> From: HDTV Magazine On Behalf
>> Of M.
>> Shane Sturgeon
>> Sent: Monday, December 12, 2005 14:14
>> To: HDTV Magazine
>> Subject: Calibration via PC
>>
>> ----- HDTV Magazine Tips List -----
>>
>> I would be interested to know your thoughts on this. Seems like for the
>> price ($130), I would rather have a "real" calibration:
>>
>>
http://www.digitalmediathoughts.com/ind ... xpand,9425
>>
>> -- M. Shane Sturgeon
>>
>>
>>
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