7
votes
Accepted
SDI - serial digital interface
General SDI vs. HDMI Information
SDI is easier to connect to other professional equipment than HDMI. It is an all purpose signal, as opposed to HDMI that was originally intended only to connect to ...
- 2,404
6
votes
Corrupt MP4 [recording interrupted]
I recently encountered this exact problem and I was able to repair the file using Untrunc, a program created specifically to solve this problem, as suggested by sparrowt on SuperUser:
For this ...
- 161
5
votes
Why Camtasia always produce video with a low quality, even if I record in 1280p, for example?
The quality of the images you posted look completely normal to me for what you are doing. You're taking a screenshot and scaling it down. That means that anything drawn as a single pixel in the user ...
- 2,156
4
votes
Digital TV SCTE 35 signal
To determine if a channel has SCTE-35, you will need to have the Program Map Table (PMT) recorded. From the PMT, you should be able to find the Packet Identifiers (PIDs) of all of the streams ...
- 2,404
4
votes
Accepted
Does using an S-Video output via a SCART connector improve the output quality of a VCR?
The answer is probably no, unless the SCART socket on your VCR is labeled specifically as "S-VIDEO". The fact that SCART connector has S-Video pins does not guarantee that your VCR provides ...
4
votes
Accepted
How do I improve sharpness of foliage and distant objects during video recording?
You are most likely observing Optical Aberration - see https://en.wikipedia.org/wiki/Optical_aberration and also https://en.wikipedia.org/wiki/Defocus_aberration. Haze is also likely a contributing ...
- 697
3
votes
How should I mic dance instructors when video recording?
There is another option that is good to know about, the Crown PCC-160 boundary mic. This is a standard mic to put at the edge of a stage to get good quality sound from actors in plays.
"Supercardioid ...
- 71
3
votes
Accepted
How do I replace my organisation's event video camera?
Firstly, that camera has a 29 minute 59 second recording limit. If your speaker goes for longer than this it may not be suitable. Apparently this is due to some countries charging higher import duties ...
- 13.8k
3
votes
Accepted
Blackmagic setup: How do I record all cameras in a multicam broadcast?
You can use an SDI Distribution Amplifier ("DA") (one SDI input, and two or more SDI outputs) for each camera so you can "duplicate" the camera video to send to both the production switcher and to ...
- 686
3
votes
Accepted
Does 60 fps make sense for YouTube?
Google has supported 60fps video since 2014. YouTube has a page that talks about video formats, codecs, framerates, etc., here. It is up to the Browser and YouTube to negotiate what format, frame ...
- 4,730
3
votes
Accepted
How do you dramatically reduce the size of a video while keeping the quality as much as possible?
I'm not familiar with handbrake, but this is basically a math problem.
First, you have to decide on a codec. One of the 'best' codecs in regards to quality/filesize-ratio as well as device-...
- 5,452
3
votes
Can I zoom in, manual focus, then zoom out?
To answer your second question:
You can only use the zoom in, focus, zoom out if the lens is parfocal. Normally a parfocal zoom lens starts at 3000-4000 USD, thus I highly doubt the lens in this ...
3
votes
Accepted
What are a Gimbal and Tripod used for?
Gimbals are good for adding movement without shake, they're brilliant for run-n-gun documentary work where lugging a tripod slows you down. They're perfect when you're in the thick of things, using a ...
- 13.8k
3
votes
How can I replicate C-LOG in a Canon DSLR?
The Magic Lantern firmware transforms Canon DSLR cameras into RAW-capable video cameras that are not half bad. The native Canon video codecs are universally among the worst of any current DSLR, not ...
- 4,730
3
votes
Sharpness of Canon 80d
If the stills look sharp and detailed, then the sensor and optics are not to blame. I would blame the encoder and whatever sacrifices Canon made for the video mode. The 80d has the same Digic 6 ...
- 494
3
votes
Accepted
Prime or Zoom for Video (Micro Four Thirds)
For most people, the first workhorse lens will be a zoom, because of the versatility.
Sharpness in lenses isn't a huge factor for video; at HD resolution and below, lenses that photographers turn ...
- 13.8k
3
votes
Prime or Zoom for Video (Micro Four Thirds)
I have that camera. Here are a few things to consider:
The camera doesn't have any in-body stabilization, so the footage can be very shaky unless you're prepared. In my situation, I knew I wanted ...
- 4,534
2
votes
Set file size limit for video on Canon 5D mark iii
The 4 gig limitation is there cause most memory cards are formatted with FAT32 which can't handle files larger than 4 gig.
Refer to Manual page 234, http://gdlp01.c-wss.com/gds/8/0300007348/05/eos5d-...
- 226
2
votes
Does the GoPro Hero 5 Black have improved video quality over the GoPro Hero 4 Black?
They added a few bells and whistles, but the video quality remains the same
http://vegasaur.com/gopro-hero5-hero4-comparison
- 1,139
2
votes
Accepted
How can I play a file created in OBS?
OBS is a video streaming and recording software, not a video player. You will need either find a video player that will play an .flv file, or switch your settings in OBS to record to a different ...
- 829
2
votes
Suggestion to record video from TV
Personally I use Pinnacle Studio to record the TV shows. I have used it to record over a 100 hours of TV footage till now and I'm pretty happy with it.
What You Need
TV Tuner
Software to record.
...
- 225
2
votes
Improve video quality by lowering framerate
Theoretically it IS possible, and there are working, practical, proof-of-concept research on the subject.
A couple of examples:
Learning to Extract Flawless Slow Motion from Blurry Videos
Blurry ...
- 121
2
votes
Accepted
How to capture documentary quality footage of tiny subjects
Up until the high-frame rate (HFR) section of the video I would have said that all you need is a Canon MP-E 65mm Macro Lens, a nice LED light (so as not to fry the poor bugs with all the IR radiation ...
- 4,730
2
votes
GoPro Hero 5 Session camera for long shot (crowd shot)
Yes, useful for wide crowd shots.
Yes, you can crop down/scale up 1080p selections from the 4K to simulate additional camera angles.
Consider using the gopro app or a wifi remote to stop/start the ...
- 703
2
votes
Converting a Video from 1600 * 1200 to 1200 * 900
Use ffmpeg with -vf scale=1200:900 option. For example
ffmpeg -i input.mp4 -vf scale=1200:900 -c:a copy output.mp4
- 21
2
votes
How should I light two people teaching a dance video tutorial?
I've been in similar situations/venues in the past. It reads to me like you have little to no budget and no crew to speak of, since you are asking the question yourself which suggests that you are ...
- 686
2
votes
SDI - serial digital interface
In short; HD-SDI and SDI are the industry standard for professional applications; and HDMI is for consumers.
HDMI is highly limited in terms of length; you will need a very high quality cable to go ...
- 2,487
2
votes
SDI - serial digital interface
SDI is a professional, locking video connection system over coax cable. SDI itself has more expensive licensing costs associated with it than HDMI, so hardware that supports it will generally be more ...
- 19.4k
2
votes
Accepted
Screen capture at more than 1000 FPS
I can't rule out specialized hardware devices that might be able to, but 1080p video at 1000fps produces 6GBps of raw data at 8 bit color. That's 48 gbps, which exceeds the highest standards of most ...
- 19.4k
2
votes
Accepted
What is the maximum length of Portable Recorder to Camera cable that is safe to use?
Without more detail this is not directly answerable. The short answer is, the shorter the better, but the long answer depends on many factors.
The amount of electromagnetic noise in a room will ...
- 19.4k
Only top scored, non community-wiki answers of a minimum length are eligible