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hoangcv18

ImgBurn reading recordable discs to images

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I have a question about how ImgBurn, or I guess reading in general, is done with recordable discs that have images written to them.

 

 

Hypothetical: say you have a recordable disc, CD, DVD, BD, I don't think it matters.  And you've written an image that takes up half of the available space on the media.  The other remaining half is unburned dye/media.  Let's say a deep scratch occurs in the unburned area that does not go into the recorded area.  When ImgBurn/anything goes to read the disc to an image file, would this scratch prevent ImgBurn from reading the disc? 

 

 

Does ImgBurn only "scan" the burned area to determine what is burned on the disc and thus what to read?

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Now, I don't know this for sure, but any application that would read a disc to an image I think would only read the burned area.  It would scan from the start of the disc and read until it found the end of data indicator on the disc.  I can't think of a reason why ImgBurn would read the unburned area.

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The drive reports how much has been recorded to the disc and ImgBurn only tries to read that amount.

Any attempt to read beyond that would simply fail, without the drive actually 'trying' to read it.

The drive knows best :)

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