diff --git a/regex_patterns/Dolby Digital +.yml b/regex_patterns/Dolby Digital +.yml
index 5956e37..634add8 100644
--- a/regex_patterns/Dolby Digital +.yml	
+++ b/regex_patterns/Dolby Digital +.yml	
@@ -1,16 +1,6 @@
 name: Dolby Digital +
-pattern: \bDD(?:[+.]\d+|\d+\.\d+|P|\+)?(?!A)\b|\bE[-_. ]?AC-?3\b
+pattern: \bDD[P+]|\b(e[-_. ]?ac3)\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
+tests: []
diff --git a/regex_patterns/Dolby Digital.yml b/regex_patterns/Dolby Digital.yml
index be95ad8..e93f77d 100644
--- a/regex_patterns/Dolby Digital.yml	
+++ b/regex_patterns/Dolby Digital.yml	
@@ -1,32 +1,6 @@
 name: Dolby Digital
-pattern: (?i)(?<!E[-_. ]?)\bAC-?3(?:[\s._-]?\d+\.\d+)?\b
+pattern: \bDD[^a-z+]|(?<!e)ac3
 description: ''
 tags:
 - Audio
-tests:
-- expected: false
-  id: 1
-  input: Parks.and.Recreation.S03E16.Lil.Sebastian.1080p.AMZN.WEBRip.DD5.1.x264-NTb
-  lastRun: '2025-07-07T13:43:45.813684'
-  matchSpan: null
-  matchedContent: null
-  matchedGroups: []
-  passes: true
-- expected: false
-  id: 2
-  input: WALL-E.2008.2160p.UHD.BluRay.x265.HDR.DV.DD.7.1-Pahe.in
-  lastRun: '2025-07-07T13:43:45.813684'
-  matchSpan: null
-  matchedContent: null
-  matchedGroups: []
-  passes: true
-- expected: true
-  id: 3
-  input: Waynes.World.1992.720p.BluRay.x264.AC3.5.1-TBB
-  lastRun: '2025-07-07T13:43:45.813684'
-  matchSpan:
-    end: 42
-    start: 35
-  matchedContent: AC3.5.1
-  matchedGroups: []
-  passes: true
+tests: []