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7
votes
6answers
6k views

Screen refresh rate above 100 Hz noticeable?

Is a refresh rate higher than 100 Hz still noticeable for the human eye? Tv manufacturers are still taking these refresh rates to new heights, but is there really a noticeable difference between a ...
7
votes
3answers
1k views

Do video formats support colour profiles?

Recently, I was reading a wiki, dedicated to one popular cartoon show and stumbled upon an interesting problem: From left to right: frames from the US iTunes, Australian iTunes and US iTunes version ...
7
votes
1answer
775 views

What codecs/formats are appropriate for full motion video recording for youtube?

I'm recording video game footage via lossless methods, after which I need to compress them and upload them to youtube. I'm not sure which format and/or codecs are best for this. I've been ...
6
votes
1answer
324 views

What equipment do I need to be able to produce 'HD quality' videos?

For starters, please forgive me if this question is very amateurish - if they sound that way, that's because I am an amateur. I would like to start shooting some webisodes in my garage and want to ...
6
votes
3answers
19k views

Looking for an 80's VHS effect!

I'm looking for a way to turn an HD video clip into 80's style VHS low-quality. Here is an example of the look I'm desperately looking for: Thank you!!!
6
votes
2answers
320 views

What video codecs can provide “adaptive quality”?

Background: I am trying to compress lossless bluray tracks to a more storage friendly size without a huge loss in quality. What I've been doing thus far: Exploring compression options with ffmpeg. ...
5
votes
3answers
2k views

Can Sony Vegas Pro be used or compared to the output produced by Final Cut Pro for professional use?

I am a PC user and use Sony Vegas Pro. I really like it for editing purposes. I do not like Adobe Premier or Avid which work on Windows and believe that the top 3 tools are AVID, Sony Vegas, and ...
5
votes
3answers
125 views

What's the best way to record a skype conversation?

I need to record a skype conversation and upload it to youtube (it's a live conference and the other party asked for it). Can I record a skype conversation? What would be the best way in terms of ...
5
votes
3answers
718 views

How to digitise old NTSC home videos for highest quality (with PAL player)?

I have some old VHS home videos that I'd like to digitise to preserve them, and I'm looking for the "best" way to do that with my setup. The videos were recorded around 1990, in the USA. I'd say they ...
5
votes
1answer
525 views

QoS for video streaming

What are the most used metrics to evaluate the QoS of a video streaming session? I am looking for tutorials, papers, lecture notes, ppt, anything of that kind, or your own answer.
4
votes
6answers
107 views

Does repeatedly saving a video degrade its quality?

I take a video file, let's say an mp4, and use, let's say Windows Movie Maker, to repeatedly just save it, with no edits. Every time, the software has to convert the video into a format it can edit, ...
4
votes
1answer
89 views

Is it possible that the actual video resolution of the t2i/550d is not 1920x1080

I don't know if i'm doing something wrong or this is the way my camera (550d/t2i) works. It seems to me that the video is softer than it should be. To test this I made a picture and video using the ...
4
votes
1answer
5k views

Why is my video alternating between blurry and sharp?

I notice this on a regular basis while watching videos I've downloaded. The image will alternate pretty quickly between blurry and sharp and sometimes the effect is quite drastic. Below is an example ...
4
votes
1answer
44 views

Is it better to scale video or images when doing time-lapse?

Without caring for speed of processing, extra disk space needed, and other such factors, which of the following two is better (i.e. produces higher quality/better compressed video). Scale each ...
3
votes
2answers
476 views

Smartphone vs camcorder

Okay, so I'm a young A/V tech, and I'm looking into picking up some equipment for video recording. The guy who is mentoring me said that for the kind of work I do, which is primarily speaking events ...
3
votes
2answers
386 views

1080p60 recording has very strong compression artifacts, default Neat Video not reducing them much

In attempting to record in the highest quality on a JVC GC-PX100 camcorder, I've been recording 1080p video. Unfortunately, viewing the video upon edit shows very strong compression artifacts, which ...
3
votes
1answer
55 views

Bluray I/O speed

I don't know if this is the correct place to ask this type of question, but here is it. I wanted to find a ball park size of each blu-ray frame size in bytes. This is my calculation which cannot be ...
3
votes
1answer
3k views

What CRF or settings I should choose for h265 in order to achieve a similiar quality of h264?

I'm doing some experiments with HEVC x265. I have a raw footage and the quality of details of h264 with same CRF setting looks better than h265. Shouldn't be the opposite? Maybe my setup isn't the ...
3
votes
2answers
531 views

DSLR RAW video: 1080p or 720p?

This question has probably been asked before, but could not find it. With the possibility of recording RAW video on a DSLR, file size matters because CF cards are limited. File size can be reduced by ...
3
votes
2answers
275 views

T5i video quality doesn't even match smartphone camera? Where can I improve?

A friend wanted to make some professional looking videos for a weekly vlog type of thing for his church. We went into this planning to buy a better camera and lights etc as we go. We filmed a video ...
3
votes
1answer
516 views

How does YouTube convert between different videos resolutions?

What algorithm does YouTube follow to convert between different formats? Does YouTube store different videos (for different formats) on disk or store only 1 and convert from this to appropriate format ...
3
votes
1answer
198 views

Blocky video artifact problem on Canon 600D

When shooting video with my Canon 600D I get artefacts like the following in the pictures: (not throughout the whole video but only for a second and then its gone again, but comes back after a few ...
3
votes
1answer
374 views

Camcorder pass-through or stand alone capture box for VHS source

What would yield better quality: camcorder pass-through or buying a more recent dedicated capture box? I have a Canon Elura 65 that I've used in the past to capture video from VHS sources. It ...
3
votes
1answer
124 views

How do I prevent Quality loss in the beginning of a video?

My company transcodes videos sent in by users (recorder by our own screenrecording software) I use FFMpeg to do the work using this command: /ffmpeg/ffmpeg -i in.mov -vcodec libx264 -fpre ...
3
votes
1answer
148 views

Reasons for using DNxHD instead of ProRes?

I often use ProRes or DNxHD codec without any thoughts, because the quality is very similar, even though the code and the compression algorithm certainly is very different. I would like to know in ...
3
votes
2answers
318 views

After Effects quality drops

I am trying to make a animation. There is a 3D animation which is sharp, I need to put some layers over it with descriptions about some parts that are shown. The original video is extremly sharp, but ...
3
votes
1answer
205 views

Using h264 in loseless mode brings small unexpected results

I got curious on ffmpeg screen capture capabilities and started messing around with a simple realtime capture test in h264. ffmpeg -f dshow -i video="screen-capture-recorder" -video_size 1920x1080 ...
2
votes
4answers
1k views

Does HD necessarily mean clear, high quality images?

I recently purchase an AXIS network camera that will be used at a scrap metal yard to photograph truck license plates. While the camera is probably sufficient for my purposes I was a bit confused ...
2
votes
3answers
226 views

How can 1080p films be so disproportionally lightweight?

I calculated that for a film of 2 hours with 30 fps, over a 1920*1080 (16:9) display with 32 bps (True Colour) had to weight : 2×3600×30×1920×1080×4 Bytes which is 1,7915904×10¹² so 1,8 TB... Is ...
2
votes
2answers
100 views

How can I make a video such that the quality degrades if someone tries to record it using screen recording software?

How can I make a video such that the quality degrades if someone tries to record it using cam-studio or similar software? We create music videos which are often subjected to piracy. Although the CDs ...
2
votes
1answer
275 views

How to Record a Dark scene without any Noise?

I am using Nikon D3200, I am trying to shoot a dark scene. The scene is so dark and there is minimal amount of light. I am shooting in manual mode and these are my settings. ISO 200, f/5.2, Shutter ...
2
votes
3answers
2k views

For a given bitrate, what video resolution is perceived as the highest quality?

I'd like to achieve certain approximate bitrate for video encoding. If I use higher resolution like 720p, I'll get more fine-grained image, but more encoding artifacts. If I use smaller resolution ...
2
votes
1answer
44 views

White Balance/ Filters

I have a silly question: Do I have to the WB before or after choosing a Color filter? If I do it after, then the camera will "see" white and the filter wouldn't make sense. If I do it before, why just ...
2
votes
1answer
131 views

What does it mean to “check a waveform monitor to make sure that my highlights weren't clipping too much”?

In this article Roger Deakins talks about how he would "check a waveform monitor to make sure that my highlights weren't clipping too much". What does he mean by this?
2
votes
3answers
209 views

HQ screen video capture

I'm trying to create a video out of what's shown on the computer's screen. Unfortunately, I can't seem to get it in high quality, and since there are small fonts on the screen - the HQ is important. ...
2
votes
1answer
102 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
827 views

Avconv rotating mpeg4 - video loses quality

I'm a newbie in video editing on linux and am trying to rotate a video I took with my phone using AVCONV on an Ubuntu 12.04 machine. It all seems to go honky dory except the output is losing quality. ...
2
votes
1answer
21 views

Optimal brightness for multiple screens

I am currently editing a video, and I have three screen I'm testing the video with. One new and one older connected to my PC, and a larger 42" LCD. The new has a good brightness and color ...
2
votes
1answer
185 views

Loss of quality in after effects 3D layer

I have a 2D image layer that looks great as a 2D layer. Both .png and .eps files are (near) pixel perfect. However when I convert the layer to 3D, there is a massive loss in quality. Is there a ...
2
votes
1answer
311 views

Why does compressor output 960x540 when frame size is specified “up to 1280x720”?

Is there any way to produce output video at 1280x720 resolution using the "Apple Devices HD (Most Compatible)" setting in Compressor? When I specify a frame size of "up to 1280x720", the output ...
2
votes
1answer
873 views

Export high bitrate video in lightworks

My goal is to get a high bitrate video to a friend of mine, so he can then use the video and edit it for another use. I am to the point where i need to export the video. What export option is going ...
2
votes
2answers
213 views

What can cause poor quality video in Canon point&shoot camera?

I recorded some videos from my superzoom compact camera Canon Powershot SX150 IS. When I run these videos on camera itself, they run fine. But when I move them on PC and run it, I can see it being ...
2
votes
2answers
144 views

Encoding Video For Archiving Using Premiere Pro CS6

I have a set of videos created in Premiere Pro C6 and currently I am encoding them in h264 for YT upload. The raws were taken using a Canon 700D @ 720p60. I was wondering what is the best encoding ...
2
votes
1answer
1k views

Rendering without quality loss in Kdenlive

I've used SimpleScreenRecorder for screencasting. The settings are shown below. This file is of very good quality. I've then added this clip to the Kdenlive project with the same settings as the ...
2
votes
1answer
148 views

Are mp4 bit rates the same as Flash bytes per frame?

I'm converting Flash movies to Mp4 (and webm) and having to learn lots about web video. The process starts with MOVs exported from Flash. For example, I have a MOV of 640px x 290px, 1m 58s, 2843 ...
2
votes
1answer
9k 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 ...
2
votes
2answers
3k views

How to fix choppy/lagging video from Canon t3i?

I recently started using a Canon t3i to record video. When I upload the files to my computer (PC), however, the video is very choppy-- it lags even more dramatically when I try importing it into my ...
2
votes
1answer
78 views

Using 1080i on a 720P monitor will produce better image/video quality?

I have a LCD monitor which only has resolution of 1366 x 768, and it can support 1080i So, Should I output 1080i video to this monitor, or should I just use 720p? Which one is better? I have ...
2
votes
1answer
673 views

Poor and low quality on import/render Adobe Premiere

I record a video step-by-step using Microsoft Expression Encoder 4, encode the file with 'Best Quality' preset, the result info in file its: ID : 2 Format ...
2
votes
1answer
185 views

Reduce quality percentage wise

I have several movie files in a mkv container. ffmpeg -i filename gives me the following output: Stream #0.0(eng): Video: h264 (High), yuv420p, 1280x720, PAR 1:1 DAR 16:9, 23.98 fps, 23.98 tbr, 1k ...