In the fourth season of ‘Bruce’s Shorts’, Bruce Devlin takes a look at the Interoperable Master Format (IMF). IMF has a rich vocabulary. Episode 2 walks you through it including the all important composition and packaging. IMF is standardised by the SMPTE as ST 2067.
If you missed episode 1, What is IMF?, check this link: Bruce‘s Shorts | 4.1 - Why does IMF exist?
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Here we look at one of the first practical error-correcting codes to find wide usage. Richard Hamming worked with early computers and became frustrated when errors made them crash. The rest is history.
Error correction is fascinating not least because it involves concepts that are not much used elsewhere, along with some idiomatic terminology that needs careful definition.
Errors are handled in real channels by a combination of techniques and it is the overall result that matters. This means that different media and channels can have completely different approaches to the problem, yet still deliver reliable data.