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Questions tagged [video-quality]

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1 answer
533 views

ffmpeg compress video in fast motion in high quality

I would like to compress a video and in the same time to be in fast motion, and this must have as a result a high quality fast motion video. I tried to run this ffmpeg command which compress video ...
0 votes
1 answer
173 views

Trying to improve choppy ipad screen capture

I'm trying to improve the choppy screen capture that I'm getting on my ipad. The screen capture plays smoothly when viewed on the ipad itself, however it is choppy when played on my pc in vlc, and ...
0 votes
0 answers
5 views

kdenlive renders choppy video

I've just started trying out kdenlive and I can't get it to render nice smooth video output to the same quality as my input. No matter how high I set the quality settings the rendered video I get ...
1 vote
1 answer
762 views

Kdenlive preserves original quality

Sometimes I use Kdenlive to cut videos because it is convenient. Something bothering me is that the application goes to the re-render process which has no point. I also have no idea what quality to ...
1 vote
1 answer
1k views

Video quality degrades when uploading to YouTube with variable frame rate

So I use OBS (latest ver) to record my gameplay on Windows 10. OBS settings are: recording format: MP4 Recording quality: indistinguishable quality, large file size Encoder: Software (x264 low CPU ...
0 votes
1 answer
18 views

What is this video dithering effect called + how can i achieve this?

I'm going to make a vlog using this effect since I was looking for a LQ, Nokia-ish footage! What is this effect called and can it be achieved via After Effects? Thank you!
0 votes
0 answers
40 views

Difference between crf and cq settings in ffmpeg

What is the difference between -crf and -cq parameters of ffmpeg? I am trying to compress 1080p h264 videos into 1080p h265 videos with high quality and low size. I have noticed that in some guides ...
1 vote
2 answers
81 views

Improve quality of recorded screen

I tried a lot of different screen recording software but all of them can't record a video with the same quality I see on screen: looks like there is a unsharp mask, or something similar. Now I'm using ...
0 votes
1 answer
495 views

How can I change/reduce the bitrate of AVI files using Adobe Premiere Pro CC or other tools?

I'm using Eprime and Experiment Builder which requires files in AVI format (AVI-XVid). The files are quite small already (various 2 second clips under 1mb), but are still too large which crash the ...
1 vote
1 answer
458 views

iMovie 4K resolution to Keynote – apparent loss of resolution

I exported a 4k resolution video from iMovie on my MacBook Pro. I imported it into Keynote in order to crop it. I noticed that upon exporting from Keynote, the resolution of the video was markedly ...
1 vote
1 answer
743 views

Camtasia Studio video files are too big

I've been trying to export an HD video from a screen recording created with Camtasia studio, but every rendering is returning videos with 80 mb/s of bitrate, I'm setting it to 65% quality, MP4. If I ...
0 votes
0 answers
7 views

Transporting Video Signal Over Optical Fiber

I have stumbled upon an issue while doing an application. In this application there is an existing multimode fiber which is installed. We will be using Sony PXW-Z90 and QuestTel's optical extenders. ...
0 votes
0 answers
7 views

Vertical edges appear shaky while the camera moves horizontally

I have noticed that in the video the vertical edges of the rock (I mean the rock that is a kind of a monument just behind the subject) seem to jump back and forth while ...
1 vote
1 answer
377 views

How to encode scenes with different CRF into a H.264 MP4 video with a variable frame rate?

Source Material Having many scenes which essentially are still frames (for many seconds) Commonly found in: Slideshows, Screen Recording or Software Mockup/Prototype ✅ This kind of source material ...
0 votes
1 answer
2k views

Export Frames of 10 BPC Video File with ffmpeg

I have several hundred 1080p 59.94fps 10-bit-per-channel (bpc) AVC-Intra Class 100 MXF encoded video files. I would like to extract the frames of this video file and export them to disk in a 16-bit ...
0 votes
1 answer
27 views

Recording webcam got too big file in 12 hours, spliting the file takes much less space

Sorry I do not give better details, I am too new on this this weekend we left OBS recording a small portion of the screen, with audio, for an university experiment (we have a software that analize ...
0 votes
1 answer
170 views

Why This Video Appears in Full Canvas?

Rookie video editor here, asking about video canvas. Don't know the right term in video editing but in image editing it's area that is not part of it. This is the video: ...
4 votes
3 answers
7k views

How can you fix color banding from VHS video tape in post-processing?

Old VHS tapes often have horizontal lines/bands that slowly scroll up or down the video during playback. This video is already on DVD, so I am trying to remove the banding in post-processing. The ...
1 vote
1 answer
288 views

What is the maximum 2D video quality on Oculus Quest?

If you want to create a 2D video to display on an Oculus Quest VR Headset, what is the highest video resolution the Oculus Quest is capable of displaying? 720p or 1080p or 4K or what? Do the ...
1 vote
1 answer
350 views

poor quality video VHS camcorder: is there a fix?

I recently rescued an old Panasonic M40 VHS camcorder. All the electronics work absolutely fine. I bought a pack of VHS tapes and did a quick video test. The video quality is very bad with wobbly ...
0 votes
1 answer
24 views

What kind of video or audio encoding is causing this?

Trying to stream a video (mkv) on a Samsung 2017 TV and some videos are "lagging" / buggy. I don't know the term for this kind of issue so it's hard for me to pinpoint the problem. The video ...
3 votes
1 answer
4k views

In FFMPEG's H.265 encoder, which CRF value leads to "visually lossless" results?

I am trying to shrink some videos from 1920x1080 to 1280x720 and to achieve a reasonable compromise between video quality and file size. I have decided to give FFMPEG's H.265 encoder a try, and now ...
0 votes
0 answers
7 views

I need help creating a good GIF

I am using VSDC to create a GIF image of three images that fade from one into the other. I think I have gotten the fade working well. In the timeline, I fade out one image as I also fade in the next ...
0 votes
1 answer
234 views

Export DCP from Adobe premier pro

Hey guys I’m struggling to export feature film 2hour 20 min long DCP from premier pro. 1.I already exported 422 Hq. 2.Made separate project with new sq. 3.Using Adobe encoder as well. 4.Every time my ...
0 votes
1 answer
37 views

Action cam - Bad video color in some cases - reason?

if you compare these two screenshots which were made from a video (DJI Osmo Action 4) with the same settings, you see the quality on the one is pretty nice, but the trees in the other one look pretty ...
0 votes
0 answers
10 views

Videos of interacting art (from two different types of art genres)

I was unsure about whether to post this on the Computer Graphics stack exchange. I could also have chosen the Graphic Design stack exchange or the Arts & Crafts stack exchange. However, as you ...
0 votes
0 answers
5 views

Algorithm to perform adaptive quality control for videos?

0 I recently had an interview experience that was un-aligned with my software engineering experience, but I still think want to get a better understanding of what the interviewer was asking, which I ...
0 votes
0 answers
9 views

Noise artifacts when recording HDR videos

I have a Google Pixel 7 smartphone with support for HDR (10 bit) video recording technology in 4k 30 frames. And I was wondering how the environment affects the shooting of this video format. When ...
3 votes
1 answer
404 views

compare two video then cut the different

I have 2 video files with the same content, but coming from a different source. They have a slight difference in 'cut' and language dubbing, meaning one can be missing a shot compared to the other. I ...
0 votes
0 answers
17 views

Where to find alternative audio tracks for TV series

How can I add several audio tracks with different translations to a series, as film sites do in some series with 10 translations, where can I find them?
0 votes
2 answers
2k views

What format should I use to archive video issued from mini DV tapes?

I want to convert and archive movies captured with mini DV tapes. Videos are family movies. Native format in dvvideo is huge (about 220 MB/min). So I am willing to accept video compression but I ...
1 vote
1 answer
97 views

Convert Anamorphic Pixels to Square Ones and Preserve Displayed Image Size

Given a video with anamorphic pixel aspect ratio (see the screenshot from HandBrake). What I need is to stretch the images stored in the video stream (in other words, to convert the video to 1:1 ...
0 votes
1 answer
429 views

ffmpeg Config to Produce H.264 Constrained Baseline Profile

It all begins with Plex and appears to end at ffmpeg as the easiest possible solution. I love ffmpeg! I use Plex running on Linux to stream over home network to a Roku. I've used this for years ...
1 vote
1 answer
1k views

How to prevent frame smoothing (i.e. get really sharp frame images) when making a video with ffmpeg?

I have been digging around here and on the ffmpeg site trying to find some commands to use to generate a movie from a set of images. The command I tried that gives me a video I can watch on my MacBook ...
0 votes
0 answers
60 views

How to turn-off Anti-aliasing when convert video into gif file with ffmpeg

I want to know how can i turn off Anti-aliasing when i convert video into gif file with ffmpeg, Actually i want ouput in 100% pure aliased gif animation. like this sample image Here i try this but ...
0 votes
0 answers
22 views

Time-lapse vs Drone Video Quality on Linkedin

When we post video on Linkedin, Time-lapase looks bad vs Drone video looks Crisp and clean. Video link and screenshot below. See below Time-lapse footage: Drone Footage Here is the Link to Original ...
2 votes
1 answer
4k views

SDR to HDR (High Dynamic Range) Converter?

I've heard that it's possible to convert SDR videos to HDR and get reasonable results. Obviously, this isn't as good as having source HDR content, but I'm really curious and would like to try this ...
0 votes
2 answers
70 views

Why is animated SVG not used for streaming cartoons?

Considering that, per https://video.stackexchange.com/a/18726/34808, animated .SVG can be used (even across the internet, via browsers) as a vectoral video format, why are cartoons not served to the ...
0 votes
1 answer
281 views

How does scaling work in ffmpeg?

I am new to FFmpeg. I just want to know how I could keep the original scale of the video. The original size of the video is that its frame width is 1820 while its frame height is 720. The original ...
1 vote
1 answer
1k views

Using super resolution to improve video quality

Is there any publicly available code that uses deep learning to employ super-resolution techniques to improve the quality of video clips? Or even any free online software? Thanks.
1 vote
0 answers
43 views

How to KEEP PIXELS when exporting my video?

I’m making a pixel art video, so I definitely want hard edges on pixels. However, Premiere Pro likes blurring them all when I export the video (and also some in preview). Moreover, I have a Pixel font ...
1 vote
0 answers
12 views

Why I cannot seem to get a good image in 360p Youtube?

This is a Canon M50 4K footage [manual focus] using Kit-lens, using very fast shutter speed around 1/300, ISO around 400, and Aperture f/4. (No edit just straight from the memory card) ...
1 vote
0 answers
73 views

What type of issues does Sony FR7 have with NDI?

What issues does Sony have, if any, with the NDI protocol? Is the image as good if it was recorded in camera? I appreciate any help you can provide. Here is a list of the items Im researching Sony ...
2 votes
1 answer
12k views

My converted videos look bad... what am I doing wrong?

I am a software developer. I understand the video concepts, but I am no expert. I have a Sony Action Cam AS-15. It records ate 1080/60fps/25Kbitrate. The 60FPS videos just dont; play smooth maxemised ...
1 vote
0 answers
18 views

Is there a way to decrease blurriness in video so that the text is readable?

I have a video of a lecture but the resolution is not great and I can't really read what's written on the blackboard. Is there a way to artificially increase the resolution or decrease blurriness? It ...
0 votes
1 answer
308 views

ffmpeg: video size/quality changes when applying ffmpeg with no filters or other parameters

I've used ffmpeg for years for minor tweaks to sound & video but I know pretty much zero about containers and codecs and whatnot. I've recently had a need to reduce the physical (disk) size of ...
1 vote
1 answer
901 views

Which gives better quality SCART or S-VIDEO?

I have SVHS video cassetes and Panasonic NV-HS1000B. It has 2 outputs. S-VIDEO and SCART. There is any reason to use SCART and not the SVIDEO output? I was googling but was confused. I read that SCART ...
1 vote
0 answers
31 views

How do you achieve this soft/glowish low contrast black and white look?

Watched La Haine 4k version the other day and was captivated by how BFI gave the film a much low contrast soft look in comparison to criterion hard contrast look. I know lightning plays a vital role ...
-1 votes
3 answers
568 views

Re-encoding Lossy formats with Lossless formats

I was re-encoding videos downloaded from YouTube with Lossless H.264 (using FFmpeg) because I'm experimenting with CRF=0. I found that resulting videos are much bigger (1 gigabyte) than the original ...
1 vote
0 answers
21 views

Rendering 3d in AE CS6 is blurry

I'd like to seek help here about rendering in AE CS6 🙏🙏🙏... I'm a noob by the way, I just finished a few 4sec animation and have no problem rendering non-3d compositions... But my first 3d ...

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