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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 ...
Michael Liebman's user avatar
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 ...
Ajedi32's user avatar
  • 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 ...
user1118321's user avatar
  • 2,156
4 votes

Corrupt MP4 [recording interrupted]

Updated: this tool can now recover files from more sources. Try with recover_mp4_to_h264. It's a command line program, and will require a good reference file. Usage as indicated: recover_mp4 ...
Gyan's user avatar
  • 33.3k
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 ...
Michael Liebman's user avatar
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 ...
Michael Yutsis's user avatar
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 ...
Peter Barton's user avatar
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 ...
Richard Crowley's user avatar
3 votes

How should I encode my 4K video stream?

As mentioned by @Mulvya, I think the issue is the "slow" preset. One option is encoding a compressed stream that is also lossless. For example, the x264 encoder can do this using "-preset ultrafast -...
Michael Steinberg's user avatar
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 ...
Michael Tiemann's user avatar
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-...
MoritzLost's user avatar
  • 5,412
3 votes
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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 ...
stib's user avatar
  • 13.7k
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 ...
bigO's user avatar
  • 71
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 ...
Kristian Kalvå's user avatar
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 ...
stib's user avatar
  • 13.7k
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 ...
Michael Tiemann's user avatar
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 ...
Rusty Core's user avatar
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 ...
stib's user avatar
  • 13.7k
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 ...
Jason Conrad's user avatar
  • 4,504
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-...
Anuga's user avatar
  • 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
altarvic's user avatar
  • 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 ...
John Barton's user avatar
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. ...
Macindows's user avatar
  • 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 ...
Vinícius M's user avatar
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 ...
Michael Tiemann's user avatar
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
kep0p's user avatar
  • 21
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 ...
alexh's user avatar
  • 703
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 ...
CyanideBaby's user avatar
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 ...
McFlySoHigh's user avatar
  • 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 ...
AJ Henderson's user avatar
  • 19.4k

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