{
  "slug": "bd-r-htl",
  "term": "BD-R HTL",
  "aliases": [
    "high-to-low BD-R"
  ],
  "definition": "BD-R HTL is a recordable Blu-ray type whose written marks have lower optical reflectivity than the unrecorded material.",
  "note": "JVC describes the conventional inorganic recording approach as high-to-low, contrasting it with organic-dye LTH [jvc]. HTL is not a brand, an archival certification or a quantified lifetime.",
  "status": "unknown",
  "advantages": [],
  "limitations": [],
  "related": [
    "bd-r-lth",
    "blu-ray-archive",
    "m-disc"
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "updated": "2026-10-15",
  "citations": [
    {
      "id": "jvc",
      "title": "JVC (7 October 2008): BD-R LTH TYPE announcement, terminology and compatibility notes.",
      "url": "https://www3.jvckenwood.com/press/2008/bv-r130lw.html",
      "accessed": "2026-10-15"
    },
    {
      "id": "analysis",
      "title": "Hesela: optical-disc lifetime estimates and format-specific evidence",
      "url": "https://hesela.com/analyses/optical-disc-lifetime-estimates/",
      "accessed": "2026-10-15"
    }
  ]
}