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video ProRes Quality Loss

B

BlackStag

I've ran into something super weird and I can't seem to find a solution. I've recorded a screen capture on a Blackmagic Video Assist HD Via SDI @ 29.97fps. Apple ProRes 422 HQ, Linear PCM Codec.

The problem is I don't get the full Quality of the footage. I might just be ignorant of something about ProRes and Premiere Pro but If I change how Premiere is sampling the footage by using frame blending instead of the default I can pull a little bit more of the sharpness that I see through Quick Time. I've uploaded a couple of Screenshots and the top is the footage at default the second is with Frame Blending on and the Last is a screenshot from Quicktime which looks so much better then the others.

I'm sure I'm just missing something about my codec or about how premiere is interpreting it.

I've done a couple of hours of research into ProRes and peoples problems but I haven't found anything similar.
I Would love to hear your thoughts. Thanks.

The way we recorded was from a Black Magic Hdmi to SDI Converter Box that sent the second out to the video assist unit.

Here are some screenshots of the Footage
drive.google.com

ProRes Quality Drop in Premiere.png

drive.google.com drive.google.com
 
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B

BlackStag

These are screenshots from Footage of Protools to be specific.

I've found a sudo fix through quicktime I get 90 or 95% quality exporting the ProRes through quicktime to H264 then replacing the source footage in the project.

Totally baffled here
 
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B

BlackStag

I know the screenshots are of protools but that is the video content it is a screen capture of protools while an engineer goes through how they mixed a certain song. The Screen Capture was taken using ProRes as the Codec.
 
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indietalk

indietalk

IndieTalk Founder
Staff Member
Admin
Also FYI:

What SD card should I use with the Blackmagic Video Assist?
It is important to use high speed UHS-1 SD cards. These are some SD cards which we have tested using ProRes HQ.
The following SD cards will record at a maximum of 1080p60 and are recommended when using HFS+ or exFAT.
SanDiskExtreme Pro SDSDXP-016G-A4616GB
SanDiskExtreme Pro SDSDXP-032G-A4632GB
SanDiskExtreme Pro SDSDXP-064G-A4664GB
SanDiskExtreme Pro SDSDXP-128G-A46128GB
SanDiskExtreme Pro SDSDXP-256G-A46256GB
SanDiskExtreme Pro SDSDXP-512G-A46512GB
The following SD cards will record at a maximum of 1080i60 using HFS+ or exFAT.
LexarProfessional SD XC 600x128GB
Delkin Devices633x8GB
The following SD cards will record at a maximum of NTSC using HFS+ or exFAT.
SanDiskUltra SD HC8GB
SanDiskSD HC8GB
TranscendSD HC8GB
The following SD cards are discontinued and are not recommended for recording on Blackmagic Video Assist.
PanasonicSDHC Gold Series16GB
PanasonicSDHC Gold Series32GB
Important Notes About SD Card Speed
Please ensure your chosen SD card is UHS-1 only. The above list are the SD cards we have currently tested, however there are many other available SD cards which will be compatible. It’s worth testing your card’s speed using Blackmagic Disk Speed Test to accurately measure whether your SD card will be able to record at the rate you require. Blackmagic Disk Speed Test uses data to simulate the storage of video so you can get results similar to what you’ll see when capturing video to an SD card.
** When purchasing SanDisk Extreme Pro 95MB/s SD cards, please ensure that the Product Number Prefix is SDSDXP.
** SanDisk Extreme Pro 95MB/s SD cards with Product Number Prefix SDSDXXG are not supported.




What SD card should I use with the Blackmagic Video Assist 4K?
It is important to use high speed UHS-II SD cards. These are some SD cards which we have tested using ProRes HQ.
The following SD cards will record at a maximum of 2160p30 inc MXF and are recommended when using HFS+ or exFAT.
AngelbirdAV Pro UHS-II 300MB/s64GB
AngelbirdAV Pro UHS-II 300MB/s128GB
LexarSDXC UHS-II 2000x 300MB/s64GB
LexarSDHC UHS-II 2000x 300MB/s32GB
SonySF-G64 CG64G1713 300MB/s64GB
SonySF-G128 CGX281712 300MB/s128GB
ToshibaExceria Pro SDXC 270MB/s64GB
TranscendSDXC UHS-II 180MB/s64GB
WiseSDXC UHS-II 285MB/s64GB
WiseSDXC UHS-II 285MB/s128GB
The following SD cards will record at a maximum of 2160p30 and are recommended when using HFS+ or exFAT.
DelkinDevices SD SDHC UHS-II 250MB/s32GB
SanDiskExtreme Pro SDXC UHS-II 280MB/s64GB
SanDiskExtreme Pro SDXC UHS-II 280MB/s128GB
The following SD cards will record at a maximum of 1080p60 inc MXF and are recommended when using HFS+ or exFAT.
SanDiskExtreme Pro SDSDXP-016G-A4616GB
SanDiskExtreme Pro SDSDXP-032G-A4632GB
SanDiskExtreme Pro SDSDXP-064G-A4664GB
SanDiskExtreme Pro SDSDXP-128G-A46128GB
SanDiskExtreme Pro SDSDXP-256G-A46256GB
SanDiskExtreme Pro SDSDXP-512G-A46512GB
The following SD cards will record at a maximum of 1080p60 and are recommended when using HFS+ or exFAT.
LexarSDHC UHS-II 1000x 150MB/s32GB
LexarSDXC UHS-II 1000x 150MB/s64GB
LexarSDXC UHS-II 1000x 150MB/s128GB
LexarSDXC UHS-II 1000x 150MB/s256GB
The following SD cards will record at a maximum of 1080p30 inc MXF and are recommended when using HFS+ or exFAT.
LexarSDHC UHS-I 633x 95MB/s32GB
LexarSDXC UHS-I 633x 95MB/s64GB
** When purchasing SanDisk Extreme Pro 95MB/s SD cards, please ensure that the Product Number Prefix is SDSDXP.
** SanDisk Extreme Pro 95MB/s SD cards with Product Number Prefix SDSDXXG are not supported.
 
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B

BlackStag

I Use A SanDisk Extreme Pro SDXC UHS-II 280MB/s with the focus assist when I record on it.

How is that Quicktime Play back plays back at full quality while Premiere Pro Does not?

indietalk said:
It could be the cable to the video assist.
Click to expand...

I used 6g cable between the Video Assist and the Back Magic HDMI to SDI Converter. Again Quicktime Playback is perfect. I don't use Final Cut Pro but I have a feeling it would playback with no anti aliasing. But I can't test this myself
 
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