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Search: Posts Made By: randal_r
Forum: Display Calibration   06-02-2015, 09:09 AM
Replies: 15
Views: 245
Posted By randal_r
Are you sure of your facts? The left pattern...

Are you sure of your facts?

The left pattern 6,6,6 is not below the black level. On PC's the black level is 0 and on video displays such as REC-709 the black level is 16. You need to study more....
Forum: Display Calibration   06-02-2015, 06:58 AM
Replies: 2
Views: 150
Posted By randal_r
The only difference between an HDTV and a 4K...

The only difference between an HDTV and a 4K display is "more pixels". Both sets use the REC-709 standards. Broadcast standards (satellite, cable or internet), is still REC-709. With Netflix the...
Forum: Display Calibration   06-02-2015, 06:19 AM
Replies: 6
Views: 158
Posted By randal_r
Of all the test discs filters that I have come...

Of all the test discs filters that I have come across I personally found the WOW filters to be the best. Most filters from some discs packages could be for REC-601 and and even if they are for...
Forum: Display Calibration   06-01-2015, 09:43 AM
Replies: 6
Views: 158
Posted By randal_r
Color filters are not recommended for setting...

Color filters are not recommended for setting tint. The recommended procedure is to use the display's own "Blue Only" mode. Filters are inconsistent in having the proper color. This is a well...
Forum: Display Calibration   05-27-2015, 06:04 AM
Replies: 5
Views: 197
Posted By randal_r
All in all, it looks good. Looking at the...

All in all, it looks good.

Looking at the CIE chart, I would suggest that you might try experimenting with the CMS controls. By this I mean, pick a color, such as blue, put up the CIE chart and...
Forum: Display Calibration   05-21-2015, 05:45 AM
Replies: 50
Views: 1,298
Posted By randal_r
Seems that your an interweb yourself.

Seems that your an interweb yourself.
Forum: Display Calibration   05-14-2015, 12:24 PM
Replies: 36
Views: 614
Posted By randal_r
Very interesting. Checking your Gamma is...

Very interesting. Checking your Gamma is probably the first step.

What I find disturbing is the luminance in relation to the Gamma. I am not a user of HCFR software but I have read a thread...
Forum: Display Calibration   05-13-2015, 07:55 PM
Replies: 233
Views: 7,453
Posted By randal_r
The CIE-1931 standard observer model is about how...

The CIE-1931 standard observer model is about how people see, not about technology. From a technological point of view it can only be said that devices are to be of non-compliance. Can technology...
Forum: Display Calibration   05-13-2015, 07:36 PM
Replies: 50
Views: 1,298
Posted By randal_r
I too questioned the BT-1886 Gamma standard when...

I too questioned the BT-1886 Gamma standard when it first came out and like you, I too read all that I could and listened to the debates. I have noted many quirks about Gamma and at the risk of...
Forum: Display Calibration   05-07-2015, 07:50 AM
Replies: 6
Views: 299
Posted By randal_r
[/QUOTE] There are no special training...

[/QUOTE]



There are no special training or certificates for calibrating 4K displays. The ISF & THX training programs is more than enough.

With regards to re-calibration, Plasma displays...
Forum: Display Calibration   05-05-2015, 05:53 AM
Replies: 50
Views: 1,298
Posted By randal_r
Sometimes forums are like the blind leading the...

Sometimes forums are like the blind leading the blind. Here are some links that may help;


LINK 1 (https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.1886-0-201103-I!!PDF-E.pdf)

LINK 2...
Forum: Display Calibration   05-04-2015, 08:07 AM
Replies: 233
Views: 7,453
Posted By randal_r
I have a question or two. First, you make...

I have a question or two.

First, you make statements as such, "they use dE as a way to interpret the mean error towards the mean, dEuv to be exact. Before character assassinating me again, would...
Forum: Display Calibration   05-02-2015, 08:18 AM
Replies: 24
Views: 653
Posted By randal_r
I did a little searching and found this. ...

I did a little searching and found this.

https://www.youtube.com/watch?v=TK_0kkQFlio


https://www.youtube.com/watch?v=PrimhGHPqBg


https://www.youtube.com/watch?v=4BMga4QgQBg
Forum: Display Calibration   04-30-2015, 06:52 PM
Replies: 24
Views: 653
Posted By randal_r
Thank you for your response. As I stated...

Thank you for your response.

As I stated before, connect the DVD player up to the TV utilizing component cables. This is the quickest and cheapest way to determine if the inputs on TV are working...
Forum: Display Calibration   04-28-2015, 06:17 AM
Replies: 24
Views: 653
Posted By randal_r
Interesting problem. The sharpness...

Interesting problem.

The sharpness function should work for all inputs. Also keep in mind that each input is usually independent from each other unless it is designed to share set-up values as...
Forum: Display Calibration   04-24-2015, 02:07 PM
Replies: 19
Views: 392
Posted By randal_r
I think you might want to re-evaluate that idea. ...

I think you might want to re-evaluate that idea. Do your research. There is much information out there if you look. See what the industry suggest versus the individual. For a 2 point calibration...
Forum: Display Calibration   04-23-2015, 06:50 PM
Replies: 19
Views: 392
Posted By randal_r
They say a picture is worth a thousand words. ...

They say a picture is worth a thousand words. Right now my wife is starting to bug me to get off of the computer so I am going to try and explain the concept through a video. Go to the time frame...
Forum: Display Calibration   04-23-2015, 03:04 PM
Replies: 19
Views: 392
Posted By randal_r
Unless the manufacturer calls for different...

Unless the manufacturer calls for different values it is safe to assume that a two point calibration is 80~30.
Forum: Display Calibration   04-23-2015, 01:07 PM
Replies: 19
Views: 392
Posted By randal_r
LG is done at 100~30 while others such as SONY's...

LG is done at 100~30 while others such as SONY's are done at 80~30. What you want to keep an eye out for is how well it tracks linearly. After making adjustments and you do a re-read of the the...
Forum: Display Calibration   04-22-2015, 07:51 AM
Replies: 4
Views: 307
Posted By randal_r
Here is another opinion. Lets look at...

Here is another opinion.

Lets look at software first. HCFR, freeware. I have used it and I personally have found it to be a little cumbersome for me. SpectraCal Home Enthusiast is an...
Forum: Display Calibration   04-16-2015, 06:52 AM
Replies: 12
Views: 283
Posted By randal_r
Again, I have not seen the job site. I have a...

Again, I have not seen the job site. I have a couple of these devices. One I keep in the tool arsenal, another I have setup for my audio system for outside. The audio system is stored in the...
Forum: Display Calibration   04-16-2015, 05:45 AM
Replies: 12
Views: 283
Posted By randal_r
Here is another possible solution. Have you...

Here is another possible solution. Have you considered a IR remote extender? Not knowing the setup or how you are feeding source material to the projector, you can have control of the projector and...
Forum: Display Calibration   04-16-2015, 05:32 AM
Replies: 59
Views: 1,461
Posted By randal_r
..

..
Forum: Display Calibration   04-06-2015, 11:11 AM
Replies: 233
Views: 7,453
Posted By randal_r
I can agree with Harlekin with regards to "Thread...

I can agree with Harlekin with regards to "Thread Hi-jacking". This happens on every thread, it is up to the owner of the thread to lead it gently back on track. The continuity of this thread is...
Forum: Display Calibration   04-06-2015, 07:09 AM
Replies: 233
Views: 7,453
Posted By randal_r
I take no pleasure in such postings. My fisrt...

I take no pleasure in such postings. My fisrt involvement was to stand up for the rights of us all to each an equal right to a say but when you tell another individual to stop interacting because...
Showing results 1 to 25 of 263

 
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