3
votes
What causes audio sync drift when digitizing VHS?
Audio drift can have a couple of causes, dropped frames (which a TBC can help with), and unstable clocks, where the audio isn't recorded at quite the precise rate it should be, causing drift, as ...
- 610
3
votes
Accepted
Calculate coaxial cable type/grade to transfer digital video signals to a known distance/length
Major cable suppliers such as Belden and GEPCO publish guides that correlate at least two factors:
Signal bandwidth or SMPTE standard (standard def, HD, 3G, etc)
Cable length
There are three other ...
- 4,720
3
votes
Accepted
Can I digitalize a video with a RCA-Jack adapter?
The cable in the picture is an analogue cable, so it's getting an analogue signal from your camera. It's just a cable, so the signal at one end is exactly(ish) the same as the other. To digitise it ...
- 13.3k
3
votes
What is the technical advantage of celluloid film over digital?
Film may have better long-term archival stability.
For theatrical exhibition, 35mm film still has a more uniform distribution and exhibition system outside the US and Europe.
People like Chris Nolan ...
- 213
3
votes
What is the technical advantage of celluloid film over digital?
The quality of the image is a big part of why film has been preferred for so long. This Wikipedia article (http://en.wikipedia.org/wiki/Digital_versus_film_photography) really outlines well the ...
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3
votes
How can I record audio & video synced with another audio file?
You are over thinking it. Edit a quick beep in before the audio starts on the song, play the song aloud while you are recording the drums. Hit one of your drums so that you can see and hear it ...
- 19.2k
2
votes
Accepted
Can i record continuously, keeping just the last N minutes?
Short answer: no.
Long answer, maybe. You have very limited scripting ability via the auto update function of the camera. You simply drop a text file called "autoexec.sh" on the SD card before turning ...
- 7,079
2
votes
short Train movie for school
AJ Henderson and Craig have excellent answers. I'd just like to add my own knowledge about making miniatures look full-size. As far as I can tell, there are 4 factors that make a miniature look, well, ...
- 1,589
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
Recording 720p source with 1080p
It is best to match the source dimensions with your recoding dimensions. Using a larger number of pixels requires more data or bandwidth to encode the scaled source. You wont be able to make a sharper ...
- 411
2
votes
Accepted
Is coaxial cable an option for distances of around 150 m to transfer SDI digital signals
300 Feet is about as far as you can take SDI or HD-SDI; before it needs to be reclocked. So no, 150 M is too far. Also the quality of cable; and if it's being run in parallel with other cables that ...
- 2,457
2
votes
What causes audio sync drift when digitizing VHS?
No, a TBC won't solve an audio-video sync problem. Most likely the sync problem is coming from a shortcut in the capture device or driver that samples the audio and video with separate and/or unstable ...
- 2,338
1
vote
Is there a way to screen record with 1000fps?
You don't have to be mad, we're only helping :D
Yes, there is software out there that does that. Try:
Open Broadcast (obs)
Fraps (although I personally hate it)
Streamlabs (basically obs but in a ...
- 2,627
1
vote
Recording 720p source with 1080p
While it is true that you can sometimes gain additional sharpness by recording at higher resolution and then downsampling after you have finished any other changes you plan to make, that isn't ...
- 19.2k
1
vote
Best quality conversion from VHS to digital domain (USA)
Please tell me you didn't spend thousands of dollars. You can get the hardware you need in under 50.
I rip my VHS tapes with a PVR card as well, the Hauppauge (WinTV) are good ones.
I just use an ...
- 111
1
vote
Started to record over AVI file
When overwriting happens, usually old file is removed. So, new file size is around 0 bytes. Here nothing to rescue.
If you realized your mistake ASAP, in a few seconds, you can press RESET button. ...
- 635
1
vote
Accepted
VHS to digital, flickering, lack of video and good sound
If you are using old VHS player, then its head can be dirty
Also VHS cassettes' tape can be dirty, but how I understand you using new cassettes.
So, try to connect your VHS player to TV. If signal ...
- 1,729
1
vote
deinterlace on the fly with an external recorder
The Blackmagic Design Tenarex 2D will convert a signal from interlaced to progressive on the fly: https://www.blackmagicdesign.com/products/teranex/processing
It doesn't record, but there are very ...
- 4,720
1
vote
Accepted
What is the significance of this "RED, Digital, and Film Format Size Chart"?
Based on this illustration, you are able to compare the sensor sizes of red cameras with film formats like 16mm, 35mm or 70mm imax and so on.
- 2,259
1
vote
Determining original resolution of an upscaled digital image?
Here is an interesting article that goes into detail on how to recognize an upscale, specifically for anime: https://ultimatemegax.wordpress.com/2015/04/24/photography-and-resolution-of-anime/
- 111
1
vote
Live video and sound recording (NOT from a security camera) sent to a remote server
All newer camcarders have wifi and can stream directly to a computer or even the internet.
Here is a simple example
http://shop.panasonic.com/support-only/HC-V250K.html
scroll down to Real Time ...
- 494
1
vote
What is the technical advantage of celluloid film over digital?
Quite simply, the quality of digital only recently overtook film. Film is capable of capturing both high resolution (due to it's large size) and high dynamic range (due to it's chemistry). It ...
- 19.2k
1
vote
What is the technical advantage of celluloid film over digital?
The digital chain has so many advantages unrelated to quality that as soon as it reached a 'good enough' level for capture the playing field tilted for good in its favor. And of course it didn't stop ...
- 4,654
1
vote
Accepted
How to capture / upload videos at scheduled times
The more I thought about my requirements the more I was convinced that I needed a wifi enabled "security" camera setup than an action cam setup.
I'm giving dropcam a try. It seems to satisfy all my ...
- 197
1
vote
short Train movie for school
I like Henderson's answer. I'll add two suggestions: consider using stock footage of the 'real' train. I don't think that would be cheating -- even pro filmmakers use stock footage frequently. The ...
- 276
1
vote
short Train movie for school
The easiest way to make it look real would be to film a real train and then use a model of the same kind of train engine. You could use a macro lens to try and get a good shot, but the camera ...
- 19.2k
1
vote
Why is Audio and Video out of Sync during recording?
The quick answer that worked for me: do NOT save your captured video to a drive on the computer, save it to an external drive that runs at 7200 RPM (many are 5400).
This problem was driving me ...
- 11
1
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Recording Video From one PC to Another
Depending on the resolution you need, I would use something like an Elgato HD 60 S to do this.
Your second PC would then only need to be fast enough to capture the data rate generated by this box - it ...
- 6,287
Only top scored, non community-wiki answers of a minimum length are eligible