Larry D. White |
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JPEGs: When Does Loss of Quality Occur?
Can anyone tell me if there is loss involved with copy and paste in Windows XP when moving JPEG images from an SD card to a hard drive? Also, is there any loss involved when JPEGs are moved from one directory to another on the same drive? Thanks
September 28, 2008
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Alan N. Marcus |
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No loss involved in the copy-paste operation. This is true regardless of operating system - regardless of location ... i.e. one director to another of one drive to another or SD to another SD or SD to hard drive.
September 27, 2008
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Richard Lynch |
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Just to expand on Alan's correct response:
Saving is when JPEG files have loss. In the process of encoding the file is evaluated, and that is when the loss occurs. In other words, you can copy the files and even view them without saving and you will not harm the image content.
September 28, 2008
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Larry D. White |
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Thank you Alan and Richard, It was something I was trying to get an answer to on the internet without any success.
Larry
September 28, 2008
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