- published: 27 Jul 2012
- views: 73998
Interlaced video is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth. The interlaced signal contains two fields of a video frame captured at two different times. This enhances motion perception to the viewer, and reduces flicker by taking advantage of the phi phenomenon.
This effectively doubles the time resolution (also called temporal resolution) as compared to non-interlaced footage (for frame rates equal to field rates). Interlaced signals require a display that is natively capable of showing the individual fields in a sequential order. Only CRT displays and ALiS plasma displays are capable of displaying interlaced signals, due to the electronic scanning and lack of apparent fixed-resolution.
Interlaced scan refers to one of two common methods for "painting" a video image on an electronic display screen (the other being progressive scan) by scanning or displaying each line or row of pixels. This technique uses two fields to create a frame. One field contains all odd-numbered lines in the image; the other contains all even-numbered lines.
This week, Russell goes over the difference between progressive and interlaced video, and discusses the various frame rates most video is shot at. He also explains the best method for slow motion with 60p footage, and recommends a free, yet very powerful editing program! If you have a question, are seeking advice (FILMMAKING advice, Russ is NOT, in fact, a licensed therapist), or were just wondering about anything at all film or video related, send an email to: FRIDAY101MAIL@Gmail.com Even quick, simple questions will do. If you have made a movie and want advice as to how it could be better, send a Youtube link, listed or unlisted, to: FRIDAY101MAIL@Gmail.com and let Russell know you want your movie put on THE CHOPPING BLOCK! Intro Video by Anthony De Coninck (aka Stylow) http://www.yo...
What's the difference between 1080i and 1080p? Does it actually matter? TunnelBear message: TunnelBear is the easy-to-use VPN app for mobile and desktop. Visit http://tunnelbear.com/linus to try it free and save 10% when you sign up for unlimited TunnelBear data. Follow: http://twitter.com/linustech Join the community: http://linustechtips.com License for animation used: https://creativecommons.org/licenses/by/3.0/legalcode
Why do computers have such a hard time showing TV footage? Dr Steve Bagley unlaces the problem. WARNING There is a short sequence in this film with flashing images. EXTRA BITS: https://youtu.be/SFfKW8FqenQ FPS & Digital Video: https://youtu.be/yniSnYtkrwQ Gamer's Paradise: https://youtu.be/HZzdXR0bV8o Computing Aladdin's Cave: https://youtu.be/zFb4tilDmBg http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com
There's no experience quite like sitting in a movie theater and watching a film. Since it's inception, film has had a special look and feel to it that many video producers have tried to emulate. In this segment, you'll learn about interlaced footage, progressive footage, frame rates, and footage conversion. A solid understanding of these key concepts will help make your video, look like film. For more information on the Film Look and other video production tips, visit us at videomaker.com.
InterlacingInterlacing is a type of linear horizontal scanning in which every television frame is composed of two half-frames.Let's consider the formation principle of an ordinary television frame.An entire picture frame consists of 625 horizontal lines transmitted in two attempts. This scanning mode is based on scanning of 2 sets of alternating lines. The lines are displayed not sequentially but next nearest - odd-numbered lines are displayed in the first field, and even-numbered lines are displayed in the second field.Therefore, a frame is divided into two half-frames consisting of even-numbered and odd-numbered lines. Every half-frame is called a field. Every field is a raster with twice as few lines incorporating a half of visual data of a picture displayed.And the field consisting of ...
Interlacing - What is it, and why does it exist? How do you work with it? In this two-part series, we answer all your questions!
Hey guys, in this video we talk about what Progressive and Interlaced Scanning is. We also go over their pros and cons. Enjoy! If you learned something from this video, leave a like and make sure to hit that subscribe button down below. It really helps me out a lot. Facebook page: http://goo.gl/jRPSez Twitter page: https://twitter.com/frenchtoastphil Intro Music: Dance - Bensound.com Outro music: Funky Element - Bensound.com
Some slow motion cameras shoot interlaced video and some shoot progressive scan. I think interlaced video looks smoother than progressive scan when played at less than 30 frames per second. Some cameras define their high-speed frame rates in fields per second and some specify frames per second, and both are sometimes abbreviated as fps which only adds to the confusion. Fields per second refers to interlaced video, in which a frame of video is recorded in two separate scans of even rows and odd rows. Although this difference is not normally noticeable, the effect is especially visible in the still frames at the end of this video. A standard video camera shoots 30 frames per second (60 fields per second), and Sony HD cameras have a high-speed mode that allows you to record 240 fields ...
Fundamental tutorial for film makers! I am discussing progressive vs interlaced video modes and explain what pixel aspect ratio is and why it is important. Video Modes: 0:31 Pixel Aspect Ratio: 2:17 You can find a detailed written version of this tutorial on my Surfaced Studio website here: http://www.surfacedstudio.com/tutorials/video-modes-and-pixel-aspect-ratio I love making complicated VFX tutorials, but decided that it was worth making this tutorial to explain a few very basic video terminology. Do let me know if anything is unclear or you have any suggestions for future videos! Any feedback is always welcome! :) You can follow me here: http://www.twitter.com/surfacedstudio http://www.surfacedstudio.com Video and Music - Copyright © 2012 SurfacedStudio