Read Access & Presentation Rate in Multimedia

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shivajikobardan
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source-: http://ce.sharif.ir/courses/84-85/2/ce342/resources/root/BOOK/Multimedia/215814- Chapter 16.pdf
page number 7

Questions-:

1) What is read access?

2) What is presentation rate?

3) In fast forward, some data units are skipped but the valid life span for each frame is not changed.
what does this highlighted line signify?

4) In the slow forward process, presentation of individual frame occurs twice or several times. Does it really? Aren't they different frames when we do 0.5x? Are they really same frames?
 
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