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242 posts

Master Geek


  # 1780345 12-May-2017 19:24
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Mspec, sounds like you had a electrical spike. Consider a protection device, I put a guard on the whole house supply.
They don't stop everything, but can stop/limit spikes from a power cut.

joker, it is possible to upscale standard HD (rec709) content to 4K(2160p) Rec2020 + HDR by injecting HDR into the meta data. At this stage only a few devices can do that. But in time I believe we will see players adding an up-scaling ability other than just 4k (resolution).
The main issue is that most broadcast HD Rec709 is mastered at 100 nits with a gamma curve (EOTF) close to 2.4 or there about's. 4k+HDR is following HDR10 and Dolby Vision are not really standards but a set of guidelines which are still being revised where there is several EOTF functions in use with each having merits. Consequently any device that up scales old imagery HD and older can cause bad issues with luminance levels. Currently most of the 4k+HDR material is split between being mastered at 1000 and 4000 nits. Most of the displays currently roll off as they pass a nominal value towards their peak luminance

Another important factor many don't realize is that 4k+HDR is meant to viewed in darkened environments, not complete blackout but pretty close. The reason is because of our vision where if we view in bright rooms the dark detail will look as though you have black crush. The is the EOTF effect, the curves typically come out of black a lot slower than the old EOTF 2.4 power law, where most displays were set for a 2.2 power law to be viewed in modestly bright living rooms. People with home theatres able to be blacked out typically set for 2.35~2.45 EOTF, closer to the mastering conditions.




Masterpiece Calibration Ltd, isf certified

 

 

"I'm not a robot!"



1391 posts

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  # 1780347 12-May-2017 19:29
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Dunnersfella:

 

The Denon may have been what killed your AVR...

 

Who knows.

 

 

 

If you're looking for a soundbar, first decide a few things.

 

1: Will you be plugging all your devices into the soundbar or the TV?

 

Plugging into the soundbar via HDMI CAN mean you get the best quality audio codecs (Dolby True HD / DTS Master HD / ATMOS and DTS:X as examples).

 

2: Will you be looking for psuedo surround sound (it never really surrounds you, but it certainly broadens the front sound stage)?

 

3: Will you be wanting wireless rears?

 

4: Will you want a subwoofer? Can it be wired? Or would you prefer wireless?

 

5: Will you mount the subwoofer on a wall, place it on top of a cabinet, or in a recess? Different soundbars don't mount well / do mount easily, some work poorly in recesses (those with up-firing drivers and side ports) etc etc.

 

6: How high is your pain threshold price-wise?

 

 

1. Now the Denon is gone everything is plugged into the TV , To be honest no idea how sound bar works, audio out to sound bar from TV ??

 

2. I guess more looking at going to psuedo surround now.

 

3. Not really worried about rears but if I can afford it in the price then I guess it would be yes.

 

4. Sub would be good but do have the sub from the Denon to use if possible.

 

5. Sub is firing on the floor.

 

6. I would say $1 to 1.5k would be the limit.





Ding Ding Ding Ding Ding : Ice cream man , Ice cream man


 
 
 
 




1391 posts

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  # 1780349 12-May-2017 19:32
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Masterpiece: Mspec, sounds like you had a electrical spike. Consider a protection device, I put a guard on the whole house supply.
They don't stop everything, but can stop/limit spikes from a power cut.

 

Yeah i have figured as much , everything is on protection now with new TV and accessories. 





Ding Ding Ding Ding Ding : Ice cream man , Ice cream man


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