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CD-R writing/reading speed? (Resolved)

cd-r

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#1
Thil

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I have come across this text regarding the value of x speed of CD-R:

 

"Speed Rating: The speed rating of a CD-R is the amount data that can be written

to it within a unit period of time. The speeds are usually indicated in a value which
is a multiple of 1.2Mb. If the data writing speed is 1.2Mb then it has a 1x writing

speed, if it is 59.5093MiB it has a 52x writing speed."

 

It says 1x is 1.2MB, but when I searched for it, everywhere it says 1x is 150kbps. 

So is this text wrong?

 

Also, how do you calculate maximum data written per second when the writer and CD-R have different speeds?

Please help.


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#2
Fusionbomb

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Hello Thil... and :welcome:


The text is correct.  I think you're confused about the labeling of the speed(s).  If you see a "b", that stands for "bit".  If you see a "B", that stands for "Byte".

1kbps   !=   1kBps


Click here for a visual table representation.


As far as the maximum data written per second, this is what is known as a "bottleneck".  A bottleneck occurs when there are differing speeds, but the input/output speed (of anything) is always going to be the slowest variable in the equation.


I hope I am clear in my explanation.  Good luck!


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#3
Thil

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Hey, thanks so much... :D

 

Yeah I didn't think about that,

I looked through the conversion charts.

1x = 1.2 Mbps=150 kBps, right?

 

Thanks for clearing it up. :geek:


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#4
Fusionbomb

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Correct.

Glad I could help.  :spoton:


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