The process of turning classics into HD

Master Remaster Steve Karp

the Blu-ray format stores and plays movies in high definition—easy for new flicks shot digitally in HD, but what about classics like Metropolis (due out on Blu-ray next year) that were shot on film? The trick is to make a small digital file without losing too much information in the process, which could yield a poor-quality image. Here’s how it works.

Instant Expert: Launch Your Quick and Easy Primer on Just About Everything at popsci.com/instantexpert.

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