Google Answers: DVD Video DACs and Key Frames

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Q: DVD Video DACs and Key Frames ( No Answer, 0 Comments )

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Subject: DVD Video DACs and Key Frames
Category: Computers > Hardware
Asked by: cjsweeney-ga
List Price: $15.00

Posted: 28 Dec 2002 20:46 PST
Expires: 27 Jan 2003 20:46 PST
Question ID: 134497

I have several questions regarding DVD video DACs.

What does the MHz rating for video DACs represent?  

What does the Bit rating for video DACs represent?

What do these do to the Video signal?

What are the perceived differences that these ratings will result in
IE real world difference between a 27MHz video DAC vs 54MHz/108MHz or
10 bit video DAC vs 12/14 bit video DAC? I am interested in noticable
visual differences between these ratings.

What is the Video DAC rating info (MHz/Bit) for the Cyberhome
CH-DVD-500?

How many frames are between keyframes for the MPEG2 encoding
on DVDs?

Thanks,

Chris

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