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8k vs 4k and Upscaling: Is 8k Worth the Upgrade? – RTINGS.com
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I think it is pretty clear 8k isn't worth it currently. I agree with the 3-5 year estimate of when it will be.
OTOH, are we approaching the situation we have in audio? It isn't clear there any benefit to greater bit depth and sample rate than 16/44.1, and it seems very clear there is no benefit beyond 24/96. Yet we have 192, 384, and now many DACs do 768 khz sample rates, and I'm not aware of any recordings done at 768.
Regular HD was a big jump in basic video quality. 4k is a perceptible increase though not necessarily in all domestic situations. Many with 4k TV's watch them at a distance they can't see the improvements. 8k is getting pretty close to no useful improvement I think. Of course I've had the same idea about digicams once we reached 12 megapixels. Other than cropping I don't see the utility of it, but the megapixels keep going up even if most low end cameras have lens systems unable to give a real photo with that kind of resolution.
OTOH, are we approaching the situation we have in audio? It isn't clear there any benefit to greater bit depth and sample rate than 16/44.1, and it seems very clear there is no benefit beyond 24/96. Yet we have 192, 384, and now many DACs do 768 khz sample rates, and I'm not aware of any recordings done at 768.
Regular HD was a big jump in basic video quality. 4k is a perceptible increase though not necessarily in all domestic situations. Many with 4k TV's watch them at a distance they can't see the improvements. 8k is getting pretty close to no useful improvement I think. Of course I've had the same idea about digicams once we reached 12 megapixels. Other than cropping I don't see the utility of it, but the megapixels keep going up even if most low end cameras have lens systems unable to give a real photo with that kind of resolution.
I'd venture to say that even 4k is not so widely adopted. For desktop monitor - sure, there are benefits, more text, you can view your 50mgapixel photos less scaled. But for TV - HD is where it is, you will need more colors, not pixels to enjoy it properly. And less compression when viewing streamed video.
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I'll put my usual rant here. As demoed at the usual outlets TV's these days look horrifying, the color gamut is usually distorted and unnatural. Typically after passing through a few DSP algorithms the cinematographer's intent is completely lost. I won't purchase a TV unless there is a clear path to remove all the "enhancements".
I could not agree more. I will hang on to my HD Panasonic plasma for as long as I can. The colours and dynamic range are just beautifully subtle. As for pixels: here in the Netherlands normal TV is still 720, so not even proper HD.
I just installed a new media box from our cable company, and I am a bit concerned because picture quality seems somehow worse (darker with lots of contrast), and the audio tinny (optical out into my main stereo system). Lip synchronisation has also deteriorated, so I may have to delve into the manuals (grrr). The good news is that the new unit is far more energy efficient (saving me some 75 euro a year!) so it can do without the obnoxiously noisy fan of the old box.
I just installed a new media box from our cable company, and I am a bit concerned because picture quality seems somehow worse (darker with lots of contrast), and the audio tinny (optical out into my main stereo system). Lip synchronisation has also deteriorated, so I may have to delve into the manuals (grrr). The good news is that the new unit is far more energy efficient (saving me some 75 euro a year!) so it can do without the obnoxiously noisy fan of the old box.
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watchnerd
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I'd rather have a VR/AR headset than upgrade my 4k tv to 8k.
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If you look at bitrates for uncompressed HD video (bluray), you'd possibly be surprised how hugely compressed other forms of it are. It does appear to me that hugely compressed 4k gives some room for fewer artifacts than you get for 2k. I suppose someone has done it somewhere, but I'd like to see a good comparison with the same data rates. Typically you'll need 6 mbps for regular HD in streaming form. And 4 times that for 4k and a bit more if you have the greater color gamut. I'd like to see regular HD at 25 mbps. That might be the better trade off.
invaderzim
Senior Member
I agree with the above.
Unfortunately, as is so often the case, the bigger number often looks better to the masses. They don't care about actual picture quality or how the colors look; just if it has a bigger resolution number.
I'm in the process of trying to replace our plasma TV that is failing and when I told a co-worker I was looking at new TVs their first response was "8K?" And when I tried to explain that I would much rather have a high quality picture over a higher number he looked so confused because 8K is automatically better.
If I could get a new HD plasma like ours I would buy it in second.
Unfortunately, as is so often the case, the bigger number often looks better to the masses. They don't care about actual picture quality or how the colors look; just if it has a bigger resolution number.
I'm in the process of trying to replace our plasma TV that is failing and when I told a co-worker I was looking at new TVs their first response was "8K?" And when I tried to explain that I would much rather have a high quality picture over a higher number he looked so confused because 8K is automatically better.
If I could get a new HD plasma like ours I would buy it in second.
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Yes, I gave my parents a Panasonic plasma and wish someone still made plasma displays. And that I had purchased one for myself.
I compare Blu Ray to Netflix 4k (and other streamers) on a 4k OLED 65 inch. For me the Blu Rays have a much nicer look to them feeling more detailed with better color. Having said that streaming 4k vs streaming 1080p is a step up on the major video services. Interestingly on smaller screens I didn't think the difference was all that noticeable for 4k vs regular Blu Ray.
I found LG OLED's to do quite well with text.
Only tangentially related: I work on a macbook pro laptop with retina screen, which is really nice. I'd like a higher res 21" monitor and the 5k ones are pretty pricey: ~$1000.
the nearly perfect screen makes a difference to me after several hours a day.
the nearly perfect screen makes a difference to me after several hours a day.
I look forward to 8K OLED TVs in very large sizes (100 inch+) as a projector replacement. Otherwise, it is hard to justify 4K right now let alone 8K.
Ready or not though, next year's CES will be all about 8K and roll out will accelerate next year. Margin is long gone from 4K so that is inevitable.
Ready or not though, next year's CES will be all about 8K and roll out will accelerate next year. Margin is long gone from 4K so that is inevitable.
Recorded with RME ADI-2 Pro at PCM768kHz. You can buy with PayPal.
https://ototoy.jp/news/86785
https://ototoy.jp/_/default/p/82298
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Yes, there are now a handful of ADC's that do this. I'm unaware of anyone releasing recordings at that rate. I'm might be wrong, and I'm sure it is only a matter of time until it happens if it hasn't already.
If you look at the specs for the RME, it says frequency response is - 3db at 180 khz. Sampling at the higher frequency seems rather useless in a number of ways. Somewhere near 200 khz is where many of the analog sections of good recording gear drop off.
That link I shared is to a recording that you can purchase...
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I didn't see the English tab at first. Ok.
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