Analog Media are Redundant

It's interesting to compare the differences in corruption between analog and digital media.  A movie
on VHS tape can have a bad signal, but generally reveals itself as visual noise before disappearing.
A movie on DVD becomes much less pleasant whenever corruption occurs, with annoying skips, and bouts
of silence.  I realized this was because VHS tapes have no compression, whereas all DVDs feature it.

Compression generally weakens data to corruption, and compression generally needs greater complexity
to support it; more primitive formats lack compression solely due to their simplicity, but this also
makes them more resilient to most damage.  Another fine example would be how books survive blemishes
on their pages with no loss of information, whereas a data stream of their letter and formatting may
not have a single bit flipped without potentially catastrophic data loss.  I'm not familiar with any
digital formats that use compression to fit multiple copies of compressed data on themselves, but it
would be one way to gain back the redundancy required for resiliency to corruption, large or little.

This isn't the fundamental difference between analog and digital media but it's curious nonetheless.
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