Why does conversion take so long?

posted in Encoding

If a webcam can encode a wmv or avi file in real-time and viewer software can read them in real-time. Then why does converting a 10 minute file from wmv to avi take 1.5 hours on my laptop? Surely it should take 20 minutes or less? reply

it’s because the computer is taking one file type writen in a certain code and converting it into another code/file and it involves compression and expansion of a file a lot of the time. reply


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