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FORUMS Post Processing, Marketing & Presenting Photos Video and Sound Editing 
Thread started 21 Feb 2012 (Tuesday) 08:37
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Containers and Compression

 
D. ­ Vance
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Feb 21, 2012 08:37 |  #1

Hello all, I am thinking of doing a video documentary on a bird nest, but I have a slight problem - an hour of video is 32 GB! That may be fine for short video, but I am talking hours on hours on hours of video here, and I don't have THAT much space... Which got me to thinking; what kind of compression do television crews use? Surely they don't use regular compression at over 5 Terrabytes a week per camera!
What kind of compression is best for keeping quality, but taking down file size?

Also, can someone explain "Containers" to me? I am guessing they are like a folder that the file sits in, but how they work, I have no idea.

Thanks!


I wonder if the video editors on The Titanic ever went, "Sorry, I can't right now. I'm busy synching the Titanic..."

  
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Channel ­ One
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Feb 26, 2012 10:35 |  #2

CameraClicker wrote in post #13935177 (external link)
Which got me to thinking; what kind of compression do television crews use? Surely they don't use regular compression at over 5 Terrabytes a week per camera!



Depends on the format, DV, DVCAM and DVCPRO run at 25Mbps, DVCPRO runs at 50Mbps, DVCPRO HD runs at 100Mbps and HDCAM runs at 140Mbps.

What kind of compression is best for keeping quality, but taking down file size?



That’s a variable, kinda like asking which is better Canon or Nikon, each form of compression has its advantages and disadvantages based on the quality required and the processing power needed to execute the compression and the required end file size.

Also, can someone explain "Containers" to me? I am guessing they are like a folder that the file sits in, but how they work, I have no idea.



Traditionally a container is the combination of the video and audio CODEC’s wrappers that are utilized to perform the compression, in some containers multiple CODEC’s are supported, while others only support a single CODEC for each.

Wayne


Do what you love and you will love what you do, that applies to both work and life.

  
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Containers and Compression
FORUMS Post Processing, Marketing & Presenting Photos Video and Sound Editing 
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