The tag has no usage guidance.

learn more… | top users | synonyms

7
votes
5answers
699 views

Are there only a few standard video frame rates?

In modern digital video, can a video file be marked with any arbitrary frame rate? Or are only a few specific frame rates widely supported? By "modern" I mean software players like Quicktime, VLC, ...
6
votes
2answers
2k views

Does raising the framerate while not changing the bitrate result in quality loss?

AFAIK, the bitrate is the number of bits per second. So let's say I have two videos, both using the same codec, bitrate settings and resolution. If the first one has a framerate of 25fps, but the ...
5
votes
2answers
64 views

Replacing footage to a video with different frame rate - how to make timeline clips not slip?

When I replace a footage to another video file which has got different frame rate from the old, the clips on the timeline slip because of the frame rate change. If I go to Modify -> Interpret ...
5
votes
1answer
65 views

Adobe Encoder fps and duration doesn't match

I have After Effects project file 25 fps, 29 seconds duration long. After exporting i get 725 png files - looks normal so far. But then i merge it to mp4 using Adobe Encoder, I get total 24 seconds ...
4
votes
3answers
2k views

Why more than 10 FPS is needed

As we know that out brain can process at most 1/10th of a second then why we go beyond the 10 FPS as our brain should not be able to process more than the 10 FPS of a scene. whats is the logic behind ...
4
votes
2answers
965 views

Handling Frame Rate for Movies with Slow Motion

I know that 24fps is the standard rate for movies. Presumably, if I want to shoot for a movie I should shoot at 24fps, however if I want to add slow motion effects in the movie I know that I need to ...
4
votes
2answers
403 views

Are the properties (bitrate, fps) of my h.264 video OK for the web?

I'm converting a Flash vector animation to an mp4 video for the web. After trying and failing with Swiffy, it's the only way I have of preserving the work "for posterity", once Flash is gone. When ...
4
votes
2answers
411 views

Shutter slower than video FPS

I'm trying to shoot low light video on my RX100 m3 and I want to make the best of it. So it would make sense that the ideal setting (in many cases) would be to open the shutter for as long as it can ...
4
votes
2answers
2k views

Low cost DIY high-speed video camera

I always have been intrigued by high speed/fps video. And I have looked online how much it would cost to buy one myself. However they are often very expensive, I do not know what the average price ...
4
votes
3answers
2k views

Recording and playing video with variable frame rate

We are using a streaming camera to record and to play back surveillance video. This camera sends a rtsp stream which will be recorded by our application as a H264 video. In our application, the ...
4
votes
0answers
33 views

software for frame images to video with changing framerate?

I've got some frames that were captured over 24h at 2 frames a min. I want to convert them to video BUT with different playback speeds depending on when they were shot. I want to be able to use ...
3
votes
3answers
242 views

Shutter speed when recording with DSLR

I know that the shutter speed should be approximatively as twice as much the fps. However, I know people who tune the shutter speed to any value they need it to achieve the correct exposure. They say ...
3
votes
3answers
60 views

In video, can previous frames effect results seen in subsequent shots?

While watch a shot on YouTube at .25 normal speed, I noticed two distinct images of the rocket fired at the ship from (25-26s). Is this an effect of the video, the film, or the result of a video ...
3
votes
4answers
909 views

Minimal working frame rate for H264 codec

When making a video from single image files whereas each image file should be visible for about one second, it does make sense to encode a video with an extremely low frame rate such as 1 frame per ...
3
votes
2answers
534 views

Are there any free ways to increase the framerate of a video?

Suppose I have some footage at 30FPS that I'd like to have a copy at 60FPS with tween frames generated by interpolation (at this point I don't care too much about potential quality or artifacts.) And ...
3
votes
1answer
83 views

What happens to frames when you speed up a video clip?

There is a 60 FPS video clip, with 1 Second total duration (So it has 60 frames, each 1/60s duration) I make it 2× faster. So it's has a 0.5s total duration. How about frames? How many frames are ...
3
votes
2answers
2k views

Do I need to convert 60fps to 30fps so it will be reproducible?

I just bought a GoPro Hero 3 Black Edition. I have been testing out two modes: 1080p at 30fps and 720p at 60fps. I have noticed that when reproducing the videos with 720p at 60fps they are not ...
3
votes
2answers
1k views

Interpreting 60fps to 24fps in Premiere Pro

I shot some footage on a Sony a7s at 59.94 fps so that I could slow it down in post to achieve a smoother camera movement. But when I interpret it to 23.976 fps in Premiere, it looks like it's ...
3
votes
2answers
36 views

Specify a custom “Movie rec. size” on Canon Rebel

Can you specify a custom "Movie rec. size" on Canon Rebel? I have an SL1, and I'm trying to record at 1280x720 with 30fps. When I go the "Menu" screen I see that you can set "Movie rec. size." It ...
3
votes
1answer
225 views

Encoding 720p 29.97 fps video, options in Adobe Media Encoder are 23.976, 24 or 59.94 fps

A little confused here, I have a video file that's 720p @ 30.303 fps. Working on it in Premiere Pro CC 2014 and ready to encode the file and the options I get for h.264 Blu-ray under frame rate are ...
3
votes
1answer
58 views

Does filming in 30p as opposed to 60p provide a brighter video?

Does filming in 30p as opposed to 60p provide a brighter video? Would it be better to film at perhaps 24p in darker circumstances?
3
votes
2answers
166 views

25 frames per seconds and 30 frames per seconds footage in one seq

I filmed a short interview with 2 cameras. one shots in 25 fps and the other in 30 fps. When I open the sequence in Premiere I have to choose one frame rate and then one of the clips is out of sync. ...
3
votes
1answer
2k views

How to convert variable frame rate videos?

I have some old 3GP (mp4v codec)videos from my HTC desire S and when I try to drop them into Vegas they won't open so I decided to convert them to a format that would open. However when I convert to a ...
3
votes
1answer
60 views

Is it worth exporting at the exact 29.97 FPS from Photoshop or just use 30 FPS?

My live action footage is Frame Rate 29.97 FPS. When exporting frame by frame animation from Photoshop that I intend to composite on top of the live footage. Since I have the ability in Photoshop to ...
3
votes
1answer
204 views

Footage feels “faster” when exporting from After Effects

I'm editing a project with premiere, and using After Effects to edit some of the footage (color corrections, some masking etc'). All raw footage was captured with a Canon 550D, 1280*720 at 50fps. My ...
3
votes
1answer
3k views

720p 60fps playing in slow motion need real time speed?

I just got a kodak playsport zx5 and shot some video of a volleyball game at 720p 60fps. I figured since the ball was moving so fast i'd need the 60fps to capture the games clearly. I just downloaded ...
2
votes
1answer
93 views

fps resampling dilema

I want to mix some vacation clips into a single video. The sources I have are: 48 fps 25 fps I don't care whether the end result will be at 24 or 25 fps but I do want to maintain the best viewing ...
2
votes
1answer
29 views

fps changes during the record

I recorded myself using my LG G3 smartphone. Now I see that one video is 28.97 fps, another video is 28.81 fps according to the QuickTime Player stats. When I edit the videos in Premiere, the sound ...
2
votes
1answer
44 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
votes
2answers
84 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
votes
1answer
1k 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
votes
1answer
2k 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
votes
1answer
1k views

H264 framerate information?

Does raw H264 data (stripped from an RTP stream) contain information about the framerate? Or is the framerate derived either from RTP timestamps for stream reproduction or written the container files ...
2
votes
1answer
104 views

Slowing down video vs higher framerate recording

What is the difference between slowing down the video in software compared to actual shooting at higher framerate? For example, i have a camera that shoots at 60fps and want to slow it down to ...
2
votes
1answer
40 views

What are the main limitations on using the following setup to boost frames per second capturing?

Suppose I have two identical cameras, a red camera and a blue camera, that can both shoot videos at 1000 frames per second. If I set them up in the following set up, using a half-silvered mirror to ...
2
votes
1answer
47 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
votes
1answer
54 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
votes
2answers
171 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
votes
3answers
77 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
votes
2answers
64 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
votes
0answers
53 views

CMOS readout time, frame rate, and delay between frames?

I know that in CMOS sensor, the exposure is perform in line by line. I can assume that the delay between the exposure of two consecutive lines is equal the readout time for one line. So the readout ...
2
votes
0answers
163 views

Extract the frame (in image format) at exactly every minute (or second) from a video (by ffmpeg)

Motivation: I would like to seek the frame, then take high quality and exact time screenshots (images) from a video. The video is length is 00:48:43.71 and 23.98 fps (we can think it is 24 fps, isn't ...
2
votes
0answers
30 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
votes
0answers
30 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
votes
0answers
75 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 ...
1
vote
1answer
219 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 ...
1
vote
2answers
157 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 ...
1
vote
2answers
396 views

47.952 instead of 48 fps?

I work with some clips, all taken from the same camera, which have the exact following characteristics (apart from the duration of course): Video: 00:03:21.806, 47.952 fps progressive, 1920x1440x12, ...
1
vote
1answer
177 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 ...
1
vote
2answers
132 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)?