name: Dolby Digital +
pattern: \bDD(?:[+.]\d+|\d+\.\d+|P|\+)?(?!A)\b|\bE[-_. ]?AC-?3\b
description: ''
tags:
- Audio
tests:
- expected: true
  id: 1
  input: Parks.and.Recreation.S03E16.Lil.Sebastian.1080p.AMZN.WEBRip.DD5.1.x264-NTb
  lastRun: '2025-07-07T13:36:04.211480'
  matchSpan:
    end: 65
    start: 60
  matchedContent: DD5.1
  matchedGroups: []
  passes: true