5
votes
Accepted
By how much can video and audio be out of sync?
There are, in fact, several standards on audio/video or lip sync. The problem is, they can't all agree on what the acceptable error is. What is well understood is that if the audio lags the video it ...
- 2,405
4
votes
Accepted
Positioning subtitles in Premiere Pro CC
Do the math
If you want to align your text using percentage offsets or any other 'round' number in pixels, you just need to perform some simple calculations. For example, 10% from the bottom of a ...
- 5,412
3
votes
Accepted
Video production basics for a noob
I recommend you do a few things.
Take an online course in video editing. You can either sign up for one at something like linda.com, or even just go to YouTube and search for video editing. There are ...
- 2,156
2
votes
What approximate resolution did Beta SP correspond to?
The resolution is correct, but your understanding of how that is measured is confused.
Analog video consisted of a series of continuous horizontal lines. Don't confuse the number of vertical lines ...
- 13.7k
2
votes
Is a UK PAL video tape compatible with a continental Europe PAL VHS/S-VHS player in terms of video and sound
The UK PAL VHS tapes will play back in a German PAL deck. The actual method of audio recording is not related to the PAL specification. VHS records up to two linear audio tracks. HiFi capable decks ...
- 21
2
votes
MPEG - the maximum range for R,G,B?
Yes, MPEG-2 video is stored as YCbCr, but video editing programs (like Cinelerra) convert the samples to RGB for processing during editing. That range is 16-235.
From Wikipedia on YCbCr
Analog YPbPr ...
- 32.6k
2
votes
Black line in certain videos?
The first anime pic is throwing me off, but it seems to be an artifact of how interlaced analog signals were structured and displayed.
For analog NTSC there is a total of 525 scanning lines of ...
- 32.6k
1
vote
Using PTZ Optics 20x-IP with BlackMagic ATEM Studio 4k
The ATEM works with 29.98 fps. The PTX Optics camera is 30fps. You need one of this in between to fix the fps issue. http://www.bhphotovideo.com/bnh/controller/home?O=&sku=1091826&gclid=...
- 11
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