diff --git a/regex_patterns/Dolby Digital +.yml b/regex_patterns/Dolby Digital +.yml
index 634add8..06e59d8 100644
--- a/regex_patterns/Dolby Digital +.yml	
+++ b/regex_patterns/Dolby Digital +.yml	
@@ -1,6 +1,16 @@
 name: Dolby Digital +
-pattern: \bDD[P+]|\b(e[-_. ]?ac3)\b
+pattern: \bDD(?:[+.]\d+|\d+\.\d+|P)?\b|\bE[-_. ]?AC3\b
 description: ''
 tags:
 - Audio
-tests: []
+tests:
+- expected: true
+  id: 1
+  input: Parks.and.Recreation.S03E16.Lil.Sebastian.1080p.AMZN.WEBRip.DD5.1.x264-NTb
+  lastRun: '2025-07-07T09:08:40.984150'
+  matchSpan:
+    end: 65
+    start: 60
+  matchedContent: DD5.1
+  matchedGroups: []
+  passes: true
diff --git a/regex_patterns/Dolby Digital.yml b/regex_patterns/Dolby Digital.yml
index e93f77d..7e1be3b 100644
--- a/regex_patterns/Dolby Digital.yml	
+++ b/regex_patterns/Dolby Digital.yml	
@@ -1,6 +1,14 @@
 name: Dolby Digital
-pattern: \bDD[^a-z+]|(?<!e)ac3
+pattern: \bDD(?![0-9]\.[0-9])[^a-z+]|(?<!e)ac3
 description: ''
 tags:
 - Audio
-tests: []
+tests:
+- expected: false
+  id: 1
+  input: Parks.and.Recreation.S03E16.Lil.Sebastian.1080p.AMZN.WEBRip.DD5.1.x264-NTb
+  lastRun: '2025-07-07T09:08:01.702437'
+  matchSpan: null
+  matchedContent: null
+  matchedGroups: []
+  passes: true