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Can I replicate GoPro quality on output?
AdamUK [Avatar]
Newbie Joined: Oct 09, 2016 13:12 Messages: 6 Offline
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Hi, I'm new to video editing. I wonder if someone can help me replicate the optimum settings to produce a finished movie in PD14 based on input movies from my GoPro Hero 4 Session camera. From what I can tell those input files are .MP4, 1920x1080, 50 frames/second, and a data rate of around 25 Mbps.

I created my own output profile in PD14 and selected those variables as close as I could. But there's also options for Frame Type, Profile Type, Entropy Coding, Rate Control (set at default 60000 Kbps)?

What matters here and what should I select for the maximum/original quality possible?
PepsiMan
Senior Contributor Location: Clarksville, TN Joined: Dec 29, 2010 01:20 Messages: 1054 Offline
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welcome to the forum.

yes.

try.



happy happy joy joy

PepsiMan

'garbage in garbage out'
 Filename
Go_8.mp4
[Disk]
 Description
creating custom profile for GoPro quality
 Filesize
6911 Kbytes
 Downloaded:
387 time(s)
'no bridge too far'

Yashica Electro 8 LD-6 Super 8mm
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Samsung Galaxy Note3/NX1
AdamUK [Avatar]
Newbie Joined: Oct 09, 2016 13:12 Messages: 6 Offline
[Post New]
Quote: welcome to the forum.

yes.

try.



happy happy joy joy

PepsiMan

'garbage in garbage out'




Thank you. Can I assume that producing in an average bitrate higher than video source capture (~26,000).. say... 60,000 causes issues with the rendering? The only difference between my settings and the ones your video instructs was I had left a far higher bitrate. The video did seem more "juddery" to me than expected and perhaps this is why.
PepsiMan
Senior Contributor Location: Clarksville, TN Joined: Dec 29, 2010 01:20 Messages: 1054 Offline
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well i read somewhere that max bitrate for optimum 1080 30p is around 32Mb/sec

and 1080 60p at 44Mb/sec for details and resolution.

Sony, for example, follows this by max bitrates for 1080 30p & 60p at 50Mb/sec for some

of their camcorders.

you're other hand is opposite.

your source video is 50p at 25Mb/sec and you've upscaled bitrate to 60Mb/sec.

i won't do it.



now you know how to create and modify the custom profiles within the PD

try at 28Mb/sec or 32Mb/sec... or 60p, 30P or 24P to your liking for ultimately

the beauty is in the eyes of the beholder.



happy happy joy joy

PepsiMan

'garbage in garbage out' 'no bridge too far'

Yashica Electro 8 LD-6 Super 8mm
Asrock TaiChi X470, AMD R7 2700X, W7P 64, MSI GTX1060 6GB, Corsair 16GB/RAM
Dell XPS L702X i7-2860QM, W7P / W10P 64, Intel HD3000/nVidia GT 550M 1GB, Micron 16GB/RAM
Samsung Galaxy Note3/NX1
AdamUK [Avatar]
Newbie Joined: Oct 09, 2016 13:12 Messages: 6 Offline
[Post New]
Quote: your source video is 50p at 25Mb/sec and you've upscaled bitrate to 60Mb/sec.

i won't do it.

now you know how to create and modify the custom profiles within the PD

try at 28Mb/sec or 32Mb/sec... or 60p, 30P or 24P to your liking for ultimately

the beauty is in the eyes of the beholder.


I authored the outputs at 26, 28, and 32 MBs p/sec frame rate and can't tell the difference by eye. I do get different lags and "judders" but I think that's my memory usage and graphics card being choppy. The source files were all taken on the same device but the "average bit rate" field does vary by a few MBs between the files which are then strung together to make my output video.
PepsiMan
Senior Contributor Location: Clarksville, TN Joined: Dec 29, 2010 01:20 Messages: 1054 Offline
[Post New]
k.

now.

please attach part B: -> http://forum.cyberlink.com/forum/posts/list/45453.page

because you're upscaling and downscaling shouldn't cause 'judders' in final output,

maybe the player is.



or attach short clips from your GoPro so that other forum members can troubleshoot...



go to http://www.cpubenchmark.net/ and see where your cpu and gpu are rated.

if your pc's numbers equal to or greater than my comps(see below in my signature or just above profile pm icons)

then something is diffenitely not right.



happy happy joy joy

PepsiMan

'garbage in garbage out' 'no bridge too far'

Yashica Electro 8 LD-6 Super 8mm
Asrock TaiChi X470, AMD R7 2700X, W7P 64, MSI GTX1060 6GB, Corsair 16GB/RAM
Dell XPS L702X i7-2860QM, W7P / W10P 64, Intel HD3000/nVidia GT 550M 1GB, Micron 16GB/RAM
Samsung Galaxy Note3/NX1
AlS
Senior Member Location: South Africa Joined: Sep 23, 2014 18:07 Messages: 290 Offline
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AdamUK
Once you duplicate the settings please compare the PDR14 output to GoPro Studio. Please let me know if you see any output quality difference. Thanks.
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