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Old 10-11-2015, 05:15 PM   #361
Penton-Man Penton-Man is offline
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learn from some of the best
https://www.rohde-schwarz.com/en/sem...15_229830.html

as much has transpired since this
https://forum.blu-ray.com/showthread...en#post6987698

attempts at improvement and refinement to HEVC is on-going, e.g. to have HEVC more efficiently encode HDR content - http://mpeg.chiariglione.org/meetings/113
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Old 03-09-2018, 01:46 PM   #362
blurayfan1986 blurayfan1986 is offline
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Hi there is there a u ray player supports h.265 hevc format. i heard the panasonic dmp-ub400eb does and does anyone know another player that does i been looking everywhere
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Old 04-20-2018, 07:26 PM   #363
alchav21 alchav21 is online now
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Quote:
Originally Posted by blurayfan1986 View Post
Hi there is there a u ray player supports h.265 hevc format. i heard the panasonic dmp-ub400eb does and does anyone know another player that does i been looking everywhere
The H.265 Codec is 4K UHD, so you need a 4K Blu-ray Player. I like Panasonic I've had several. They are all backward compatible to Blu-ray, and there are some around $100 but the better ones are pricy. Depending on your budget, I would pick low end Panasonic at around $200.

Last edited by alchav21; 04-27-2018 at 04:50 AM.
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Old 05-10-2018, 03:07 AM   #364
stonesfan129 stonesfan129 is offline
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H265 is not exclusive to 4K. That was what its designers had in mind, but you could use any number of H265 encoders to compress any video, it doesn't have to be 4K video. It is a more efficient way of encoding video than the older standards like VC-1, H264 or MPEG-2, but that doesn't automatically mean it will always be twice as efficient as H264. Under certain conditions, I have seen where video encoded with x264 still looks better than the same thing done with x265. More things still support H264 not just because it is an older standard, but also because H265 (along with 10 and 12-bit color depth) takes significantly more processor power to decode. Support for H265 (things that can play it) is getting to be more and more common. But tablets and phones usually are not going to have enough processing power to play H265-encoded video. One area where H265 will really be beneficial is with television programming and streaming providers since H265 is more efficient and thus requires less bandwidth. For movies, I think they would have been fine staying with H264 and just using a bigger disc.

Last edited by stonesfan129; 09-18-2018 at 10:58 PM.
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Old 11-28-2018, 10:04 PM   #365
djgarygillespie djgarygillespie is offline
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I have a question on the encoding, I apologize if this has already been explained.
I'm trying to figure out at what point x265 encoding looses video quality.

If a video encoded with x264 has video stream average around 12mbs, and a video encoded with x265 has a video stream around 2mbs, does the x264 have better video quality since the video stream is about 10mbs higher?

I'm not sure if the video steam goes down due to the nature of x265 encoding, or if size of the video steam went down due to the encoder picking a lower quality setting to make the size of the file smaller.
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Old 12-08-2018, 08:10 PM   #366
Wendell R. Breland Wendell R. Breland is offline
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Quote:
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If a video encoded with x264 has video stream average around 12mbs, and a video encoded with x265 has a video stream around 2mbs, does the x264 have better video quality since the video stream is about 10mbs higher?
The x265 stream would need to be about 7.2 Mbps to have the same quality as the x264 stream based upon a 40% reduction. Some claim 50% reduction for x265 vs x264 which means 6 Mbps. More info here. Click the graphics on that page for additional info.
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Old 12-09-2018, 02:43 PM   #367
maddog510 maddog510 is offline
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Quote:
Originally Posted by Wendell R. Breland View Post
The x265 stream would need to be about 7.2 Mbps to have the same quality as the x264 stream based upon a 40% reduction. Some claim 50% reduction for x265 vs x264 which means 6 Mbps. More info here. Click the graphics on that page for additional info.
When I rip standard Blu rays with DVDFAB, I usually convert them to 15mbps in H.265. Quality still looks pretty good to me. I wonder if when AV1 is finalized I can take that even lower.
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