When the NTSC format was first adopted in , there was little discussion of color transmissions. As technology for color television developed, however, engineers had to create a broadcast method that would still allow owners of monochrome television sets to receive a picture.
The PAL system, on the other hand, was created after the advent of color broadcasting, so color signals are much truer to the original image. This distinction often means that an unconverted signal being played on a TV of the other format might appear black and white, rather than in color.
To address this issue, there are a number of companies that offer conversion kits from one format to the other. Some of these conversion methods can be time-consuming and vary in quality, though there are companies that provide conversion services for a fee. Since audio and video data are often connected, the audio signal may also need to be sped up or slowed down to sound correct during playback. While the transition from analog to digital and HD televisions presented an opportunity to move away from the older formats, some limitations have remained.
TVs still have to display an image based on a certain number of frames each second, and so many HDTVs in the US or Europe continue to show in either 30 or 25 fps. Messages 48 Reaction score I think this is an interesting question, which has been an issue for many filmers.
I have tested many settings this year since I recently bought a new camera. I now always render my footage to p with 30fps. Whatever I convert to 24 fps looks terrible, very jerky, like it is skipping frames. Not smooth at all. My favorite setting is 2. It still looks sharp when you use lens correction etc, and you have a possibility to slow some shots down. I recently saw an underwater documentary on DVD here, and at some point they said they were filming at 60 fps.
So they must have converted it but it still looked good and smooth. Are there special programs to do this? I'm curious what settings other filmers use for filming underwater? Click to expand I used Adobe Premiere to convert my files so I doubt the conversion software was the problem since Premiere is a pretty advanced program. Editing 2.
The frame rate is the only difference. With any somewhat modern equipment, the screen refresh rate is either way higher than the video frame rate, or adjusts itself to match the video frame rate, so it doesn't really matter. Only if you want to play back the video on a screen with a fixed refresh rate that's somewhat close to but doesn't match exactly the video frame rate say, 60 Hz screen and a 50 fps video you may see some quality deterioration.
Otherwise it doesn't matter. Some HD video cameras can shoot interlaced video. Avoid that if at all possible. You must log in or register to reply here. Similar threads. Replies 13 Views 1, Jan 23, visualscuba. O-Rings , Understand the seal-eology.
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