Questions tagged [framerate]

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1answer
113 views

Preserving Frame Rate

I'm a physicist with no experience in video production. I work with satellite imagery and I have created timelapses where one frame corresponds to one minute. It matters I preserve the time/frame ...
2
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2answers
2k views

Does 60 fps make sense for YouTube?

YouTube says one should upload videos in the frame rate in which the video has been recorded. But if I have yet to record, what frame rate should I choose? I noted that videos downloaded from YouTube ...
2
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1answer
493 views

Bit rate reduction when converting 60fps footage into 30fps?

I'm shooting at 60fps, the result is video playing back normal speed but displaying 60fps. I then have stretched the clip so that i get 30fps playback speed with a slow motion clip twice as long as ...
2
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1answer
209 views

GoPro why high frame rate does not reduce time

On latest GoPro 4 Silver with 64 GB when i set 1080p 30fps i get estimated 4 hour recording time but when i double the framerate it not only does not shoren it actually increases so with 1080p 60fps ...
2
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1answer
933 views

Why do higher frame rates require lower resolution?

I've noticed that when comparing video camera specifications, higher frame rates usually require a lowered resolution. For example, the GoPro Hero4 Silver can get 15fps at 4k, 60fps at 1080p, 120fps ...
2
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2answers
209 views

How to convert 25p to ntsc dvd?

I need to build a ntsc dvd from a 25p movie. I've read about different solutions: Using twixtor to get ntsc framerate Using DGPulldown to flag it up to 29.97fps What is the most professional way ...
2
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1answer
49 views

Sharp drop in FPS while recording

I've recorded a few Minecraft videos using bandicam before without this problem, but yesterday I went to record it was all going good until out of nowhere my FPS went from like 60-100 to 0-2 for like ...
2
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1answer
5k views

Improving frame/image quality on Handbrake?

I created a .cdr file from a DVD and converted it to an .mp4 with Handbrake. My only issue is Handbrake's default settings create a somewhat grainy picture. The file size went from 1.24Gb to ~100Mb so ...
2
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1answer
8k views

Avidemux “too short” error

I'm trying to encode clips with x264 in avidemux. Problems come when I set video length to 10 seconds while I resample output to 1 fps (without changing duration): avidemux report "Too short" error ...
2
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2answers
208 views

Flickering when doubling shutter speed

I have a Nikon D750 and cannot figure out the logic behind video (or still photos in live view) and flickering. I live in Norway, so the electricity is 50 Hz. If I shoot video at 1/50 or 1/100 second ...
2
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1answer
1k views

How to use ffmpeg to fade in/out a veriable frame rate video clip with unknown duration

I have been looking for a way to use ffmpeg to downscale some MPEG-4 (Base Media / Version 2) video files recorded with a variable frame rate, adding fade in/out effects at the head and tail of each ...
2
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2answers
6k views

How do I find out about the shutter speed of frames in a video?

I shot a video at 24FPS, and I want to find out what the shutter speed of each frame was. Quicktime Player and VLC's Info panels don't give me this information. Neither does exiftool. Here's exiftool'...
2
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1answer
2k views

How to handle video with different frame rates in Lightworks?

Most video editing software allows me to import video of different frame rates, but Lightworks either does not have this feature still, or I cannot find it (on Lightworks or on the internet). Does ...
2
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1answer
79 views

Automatically speed up video portions with no voice

I have recorded some video tutorials for our programming team. These consist of "live coding" exercises; basically, videos of me coding stuff. Thus, the video track is a screencast, and the audio ...
2
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1answer
243 views

2 videos out of sync

I recorded myself using my camera (canon ixus 117hs, 23.98fps) and also recorded my LG G3 using AZrecorder (records the screen at 55.58fps). I tried to sync both videos (using premiere pro cc) and at ...
2
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2answers
947 views

Can I shoot in 16:9 then change it to 4:3?

I'm trying to get the old film look with Canon 600D, so I will be shooting in 640*480 25 fps. But what if I shoot in 16:9 at 24 fps, will I be able to get the same 4:3 after editing? (The reason I'm ...
2
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3answers
1k views

Looking for an accurate Playback FPS from a video

I've made a 1080P video using After Effects, and after it has been rendered the playback is a bit stutter-y. Now I am fairly certain that this stuttering is a result of the computer struggling with ...
2
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2answers
91 views

Video from still images - Zooming

I am completing a school project on distributed computing. I have been granted access to a Blue Gene super computer to run an algorithm to create static Mandelbrot set images. I have the algorithm ...
2
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0answers
15 views

ticker text does not run really smooth

I want to create a ticker text video like the news ticker you see sometimes in TV. So I use ffmpeg -loop 1 -i Transparent_800x20.png -vf drawtext="fontsize=16:fontcolor=black:fontfile=...
2
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2answers
62 views

Two video sources framerates vary by .01 FPS. Will this cause problems?

I'm just getting started and have some user-level equipment, not professional grade. My Sony Handycam outputs MTS and MP4 at 29.97 FPS. My LG K30 smartphone outputs MP4 at 29.98FPS Using Davinci ...
2
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1answer
189 views

Dropping Frames when Playing back Sped Up Footage in PP CC 2018

My playback of footage that is sped up 500% is awful in PP CC 2018 on my desktop but fine on my laptop. My CPU utilization is not maxing out on my desktop but I'm still dropping 90% of my frames. I'm ...
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0answers
90 views

The sixth frame is a repeat of the fifth frame

I'm analysing a dashcam video clip (avi format) frame by frame. According to media information when I open this video file, the frame rate is 30 fps. However I noticed that every sixth frame is ...
2
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0answers
62 views

Bad yet good framerate after exporting through Media Encoder

Lately, I've been getting a weird issue with my Media Encoder exports. I usually import 2 files through After Affects CC: an "intro" one and the main movie, both at lossless quality, and export the ...
2
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0answers
292 views

Framerate and timestamps in SubRip subtitles

I don't understand why the framerate of the video should affect timestamps in SubRip (*.srt) subtitles. If I am correct, when you convert a video from one framerate to another, the length of the ...
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1answer
19k views

How to change framerate with HandBrake without side effects

I'm making the 3rd instalment of my Sand Wars series (Sand Wars II) and I shot the majority of my footage at 60p (which I think means 60fps and progressive rather than interlaced). I do not want to ...
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2answers
5k views

How can I convert frame rates without changing speed?

I have a video with 60fps and I know that if I keep all the frames and play it at 24fps, then I get a slow motion effect. I want to know how to make it play at 24fps while still showing things in real ...
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1answer
1k views

What is the difference between audio Sampling rate and Frame rate?

I have a video file with audio. ffprobe reports two different numbers: Sampling rate and Frame rate. I understand the 48kHz rate--there are 48,000 audio samples every second. What is the other number, ...
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1answer
61 views

A Sony Pro camera's spec shows it shots in 29.97fps, does it really mean it?

According to this ffmpeg documentation, it seems one of the 'native' frame rate for ffmpeg is 'ntsc': 30000/1001 while 30000/1001=29.9700... does not equal to 29.97, I wonder if a Sony Pro ...
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1answer
412 views

Can I reduce the delay between video frames?

I have a variable frame rate video file. There is a delay of over 30 seconds between some frames. Can I transcode the video and reduce all delays between frames over a certain value, say 1 second, to ...
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2answers
431 views

Improve video quality by lowering framerate

I have recorded a short movie using GoPro camera 1080p / Wide / 60fps. The video is really blurry, despite the fact that it was a quite good weather outside (middle of the day, partially cloudly). Is ...
1
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1answer
517 views

Traditional animation techniques and 30fps software animation?

I'm putting together a very basic software to animate a few pixels frame-by-frame. I've skimmed through Richard William's Animator's Survival Kit in the past and noticed most traditional animation ...
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1answer
2k views

ffmpeg timecode and -r

Following up on this question: ffmpeg drawtext timecode source framerate I want to change the frame rate of a file, scale it down and burn the timecode in one operation. ffmpeg -i in.mpg -r 24 -vf "...
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1answer
29 views

Is it possible to get a better quality by increase the frame rate, even if I don't have the raw footage?

Is it possible to improve the quality of a movie just be rediting the finished product to have more fps? Or do you still need the original raw footage to actually increase the quality?
1
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1answer
129 views

Does increasing the framerate while not changing the content affects compression quality?

This question has no practical importance for a regular video production pipeline, but nonetheless it's something I find fascinating because it would imply video codecs use temporal sub-sampling ...
1
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1answer
208 views

Recording Hi8 SD NTSC home movies ideal quality with ffmpeg?

I have a Dazzle DVC 100 that I'm using to connect an old 8mm camcorder up to in an attempt to digitize all our home movies. The videos are all NTSC SD I believe and I've had the best success at ...
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1answer
259 views

Is it still meaningful to have 29.97fps under ATSC standard?

According to this video, we use 29.97fps under NTSC standard. But now we have ATSC standard, do we still need 29.97fps in order to broadcast under ATSC? Is it still meaningful to have a newly ...
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1answer
6k views

How to fix a 24fps shot that looks jerky when rendered at 30fps frame rate?

I accidentally shot one scene at 24fps instead of the 30fps I intended. I want to render it at 30fps (to fit the rest of the video), but the render from Premiere looks choppy, regardless of whether I ...
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1answer
2k views

How to get a higher FPS without changing speed video through Adobe After Effects or Premiere Pro CC2014 letting the software create the missing images

I have a video that has been recorded at 7 FPS. I noticed that in the Windows properties of the video file, it is tagged as 25 FPS, and I see that the recorder has inserted each second fake frames (...
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2answers
2k views

What is the max video fps Nikon D5100?

I want to play around with slo-mo videos but don't have proper gear for it. Is there a way to get my D5100 to shoot at a high fps (maybe by reducing the video res)?
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2answers
38 views

How to stop horizontal scrolling lines caused by fluorescent light (USA and NTSC)?

I'm trying to record something for a school project and my lighting is underneath fluorescent lighting. My camera is set to 30 fps but records at 29.97 fps (seen on pc). I've tried to copy the clip, ...
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1answer
813 views

Variable bitrate for AAC - how to reach it?

I tried encoding audio stream into AAC with a variable bitrate mode — I followed the advice from FFmpeg VBR Settings and changed my original option -b:a 128k to -q:a 1.3 in this original command ...
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2answers
673 views

Using 60 fps footage on 23.976 sequence without slowing down or dropping frames

I just recorded a 4k 60 fps clip from my GoPro and dropped it with some other clips on a timeline which is 23.976 fps, and the 60 fps clip looks really weird and glittery. Is there a way to play ...
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1answer
1k views

How do I speed up slower video framerates with ffmpeg and get full 240fps and no truncated videos?

I have a whole bunch of sports video clips that range from 6 to 25 seconds each, all recorded at 240fps but slowed down to 23.97, 25, 29.97 and 30fps (so they're in super slow motion). I need to ...
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1answer
151 views

Problem setting different framerates with FFmpeg map option

I am facing a problem to set video streams framerates with FFmpeg when using the map option. Here is what I want to do: Given an input video file of 60 fps, I want to generate an output file ...
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1answer
960 views

Frame rate mismatch when converting to raw video

I am trying to convert a H.264 video to rawvideo using the following command: ffmpeg -r 50 -i test.ts -c:v rawvideo -r 50 -pix_fmt yuv420p -filter_complex "[0:v] setpts=PTS-STARTPTS" -y test.yuv ...
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1answer
107 views

Shadowplay Footage Import to iMovie Introduces Audio Artifacts

I've been playing around with this to vary degrees of success and I'm getting slightly confused by what I'm seeing (or rather hearing in this case). Just playing the clips in a player like QT or VLC ...
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1answer
1k views

Lower framerate without re-encode

I'm looking for a way to lower the framerate of an H264 mp4 video without re-encoding the video. Example: I have a 30 FPS input file and I need it to be 5 FPS. I want to avoid re-encoding because of ...
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2answers
575 views

What is Frame Doubling in Action Cameras?

Many action cameras claim to record 4K UHD but only meet the spatial characteristics, i.e., 3840 x 2160, but not the temporal characteristics, i.e., minimum 23.976fps. Instead they record at 12fps (...
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1answer
356 views

Media Player for playback of 1000 fps video at 24 fps

I have searched everywhere, and I could not find any media player (for Windows) capable of playing back 1000fps video at 24fps. Can anyone suggest software? I'm not willing to any greater price than ...
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1answer
2k views

How can I use 50fps media in iMovie 11 and avoid a frame drop to 30fps?

My photo camera records FullHD video at 50fps, and when I import the videos into iMovie (version 10.1.2 according to the app store) the frame rate stays there, I can see smooth videos playing in the ...