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missing samples
post Jun 11 2012, 14:25
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I have a question about missing samples, or non-uniform samples. I found out that audio samples can be reconstructed if they are oversampled. My question is can a 20 second oversampled audio file be reconstructed from the first or last 10s of the same recording, or recover a missing audio from what ever that you have. I know that this has something to do with Fourier transform, so, please, can someone explain me how it`s done, or can it be done? I suspect it is possible with simple uniform frequencies, but not with real life audio recordings.
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post Jun 12 2012, 12:27
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Plus I think the question was more general, referring to any given signal and the possible processing thereof, rather than to concepts specific to music and its interpretation; as you have said, that is a lot more complex and even subjective, not as simple as interpolation and other types of filters that work on the samples only without any care for how they do/will sound.

QUOTE (jensend @ Jun 12 2012, 06:42) *
If you had an algorithm which could reconstruct the last ten seconds of a twenty-second recording based on the first ten, you could use it to predict the future. With such an algorithm you could figure out what number would be called at the roulette wheel in time to place an absolutely sure bet.
Yeah, I just realised that was (or seems to have been) dave1ís question; before, I skim-read and presumed (generously?) that he meant something else. wacko.gif
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