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Problem With Poor Rendered Video Quality

Problem With Poor Rendered Video Quality

Postby kkinderen » Tue Nov 13, 2018 4:47 am

I'm using a Sony FDR-X3000 as the source. I have it set for 4K 2160, 30P, 60 Mbps.

I've loaded the file and accepted setting the project to the file's parameters. Properties look like this:
Original.PNG
Original.PNG (10.99 KiB) Viewed 474 times


Then I cut the file down to 1 minute and rendered it selecting same as project settings:
rendered.PNG
rendered.PNG (9.77 KiB) Viewed 474 times


The things that matter seem to match and yet when I play back the cut file it looks terrible. Not sure how to describe it but. My beard shimmers, straight lines seems to crawl and stair step. I've compared both files in VLC, with the same result. The source video looks good and the rendered video is poor.

Using VLC I did a screen shot of each and cut out one of the elements. You can see from the map below how distorted the rendered version looks.

Original map:
Original map.png


Rendered map:
Rendered map.png


Any idea what I can check? I'm using Corel VideoStudio Ultimate 2018 v21.3.0.141. The PC is Windows 10 64 bit with 32 GB RAM and a core i7-6700K @ 4GHz. The video card is a Nvidia GTX 960.

I'm really expecting the rendered video to be the same quality as the original.

Kevin
kkinderen
 
Posts: 4
Joined: Wed Jan 17, 2018 12:14 am
operating_system: Windows 10
System_Drive: C
32bit or 64bit: 64 Bit
motherboard: Dell 8900
processor: intel i7
ram: 32G
Video Card: nvidia 960
sound_card: Realtek
Hard_Drive_Capacity: 500G
Monitor/Display Make & Model: ACER
Corel programs: VisualStudio Ultimate 2018 and PSP 2019

Re: Problem With Poor Rendered Video Quality

Postby Ken Berry » Tue Nov 13, 2018 4:53 am

If by chance you used Smart Proxy when making the one minute video, then run it again and turn Smart Proxy off. A number of people have reported the same thing as you, and turning off Smart Proxy appears to fix the poor quality output. Corel is aware of the problem and say they're working on a fix.
Ken Berry
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Ken Berry
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Posts: 20666
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Location: Levin, New Zealand
operating_system: Windows 10
System_Drive: C
32bit or 64bit: 64 Bit
motherboard: Intel NUC7i7BNB J31145-306
processor: Core i7-7567U + 32 GB Optane
ram: 16 GB
Video Card: Intel Iris Plus 650
sound_card: Realtek High Definition Audio
Hard_Drive_Capacity: 2TB
Monitor/Display Make & Model: Kogan 32" 4K 3840 x 2160
Corel programs: VS 2019; PSP 2019; MS3D; ASP 3; DRAW 17

Re: Problem With Poor Rendered Video Quality

Postby kkinderen » Tue Nov 13, 2018 10:50 pm

Hi Ken:

I gave that a try but had the same results. I'll be waiting on a fix from Corel. Thanks.

Kev
kkinderen
 
Posts: 4
Joined: Wed Jan 17, 2018 12:14 am
operating_system: Windows 10
System_Drive: C
32bit or 64bit: 64 Bit
motherboard: Dell 8900
processor: intel i7
ram: 32G
Video Card: nvidia 960
sound_card: Realtek
Hard_Drive_Capacity: 500G
Monitor/Display Make & Model: ACER
Corel programs: VisualStudio Ultimate 2018 and PSP 2019


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