A Brief History of Video Compression

Some of you who know me know that I used to write software for digital movie recording and playback, with some hardware assisted magic.  It's been a while since I've been active in that space, so I'm a little rusty when it comes to the recent history of compression standards for dealing with high quality digital video.

I ran across this article that does a nice job of summarizing the evolution and improvement of video compression over the last 10 to 15 years.  If I had to "bottom line" it, I'd say this: if you're using some kind of computer to watch movies and other video content, your best bet is to create H.264, and it's going to get even better pretty soon.  If you're using a set top box from your cable or sattelite provider, you're probably going with the older-and-less-efficient MPEG-2 standard, and you should write to them and tell them to hurry up and upgrade your set top box to be H.264-compatible.  It's in their best interest to do that in the long term; it'll just cost a bit of capital cost up front.  That's okay, they'll make that money back soon enough.

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There has been lot of changes

There has been lot of changes and some notable improvements in the field of video processing especially in the compression techniques over the last decade. These include both software and hardware. Good to know about the history behind the same from here. makeup artist

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Open your raw video file in a video editing program. There are free solutions available online, as well as professional products such as After Effects, Early Child Development Final Cut, and more. The specific menus will vary between programs, but the settings are universal across all programs.

Understand how compression works

Understand how compression works. Video is typically filmed with 24 or 30 frames per second. www.researchpaperpal.com That means that every second, 24 or 30 still images are displayed to give the illusion of movement. Because the images are so closely linked, not everything in the image moves from frame to frame. Compression stores the changes in the frames as opposed to storing entire frames.

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Video pressure is an empowering innovation for cutting edge purchaser electronic items and write my assignment administrations. Standard definition (SD) and superior quality (HD) video, in uncompressed frame, require bit rates in the range 125–750 Mb/s.

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Prosper is accurate that

Prosper is accurate that video compression has definitely someone write my research paper revolutionized amusement over the past decade, but the knowledge has a longer history than you may think.


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