Urgent.News

What's breaking now, across thousands of outlets.

Tech

Beauty in DVD Menus

Many early DVD releases featured interactive menus, a notable improvement over VHS which lacked menus altogether. However, not all DVDs had such menus, and some cheaper releases still started straight into the content. DVD menus are a testament to the format's capabilities, first introduced in late 1996 and truly gaining traction in the 2000s.

NTSC and PAL regions have specific resolutions due to the D-1 digital recording standard, which was a significant leap for real-time, high-quality recording when it debuted in 1986. DVD menus can vary widely, from simple lists with static backgrounds to complex, animated designs packed with hidden features. They're constrained by technical limitations, with subpictures and subtitles displayed using 2-bit graphics, only supporting a pool of 16 colors.

Despite these constraints, DVD menus have remained a popular design consideration even as television and display standards have evolved to 16:9 aspect ratios.

Written by urgent.news from Hacker News's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.

Read the original at vale.rocks →

More in Tech

DER SET ordering: enforce it in the walk, not in a check afterwards

A SET in ASN.1 is unordered by definition: the arrangement of its components carries no meaning. DER still fixes exactly one arrangement on the wire, ascending by encoding, compared as octet strings.

  • DER SET ordering enforces specific component arrangement in SET structure
  • DER strict enforces rule during walk over SET children, rejects non-compliant encodings

More from Thursday 8 October →