diff --git a/AUTHORS b/AUTHORS
index 7175039e7f..d2b47ebb5a 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -88,3 +88,4 @@ Wayne Morgan <wayne.morgan.dev@gmail.com>
 Raymond Cheng <raycheng100@gmail.com>
 Blue Billywig <*@bluebillywig.com>
 Koen Romers <koenromers@gmail.com>
+Xperi <*@xperi.com>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 89f53f47e0..826f6c6fb6 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -128,3 +128,4 @@ Yohann Connell <robinconnell@google.com>
 Raymond Cheng <raycheng100@gmail.com>
 Janroel Koppen <j.koppen@bluebillywig.com>
 Koen Romers <koenromers@gmail.com>
+Ashley Manners <ashley.manners@xperi.com>
diff --git a/lib/media/media_source_engine.js b/lib/media/media_source_engine.js
index 5361dc2f29..bd7d8b36d3 100644
--- a/lib/media/media_source_engine.js
+++ b/lib/media/media_source_engine.js
@@ -192,6 +192,9 @@ shaka.media.MediaSourceEngine = class {
       'audio/mp4; codecs="ec-3"',
       'audio/mp4; codecs="opus"',
       'audio/mp4; codecs="flac"',
+      'audio/mp4; codecs="dtsc"', // DTS Digital Surround
+      'audio/mp4; codecs="dtse"', // DTS Express
+      'audio/mp4; codecs="dtsx"', // DTS:X
       // WebM types
       'video/webm; codecs="vp8"',
       'video/webm; codecs="vp9"',
diff --git a/lib/util/manifest_parser_utils.js b/lib/util/manifest_parser_utils.js
index dcc90178d8..33c9b31775 100644
--- a/lib/util/manifest_parser_utils.js
+++ b/lib/util/manifest_parser_utils.js
@@ -185,8 +185,7 @@ shaka.util.ManifestParserUtils.AUDIO_CODEC_REGEXPS_ = [
   /^mp4a/,
   /^[ae]c-3$/,
   /^ac-4$/,
-  /^dts[cx]$/, // DTS Surround Sound
-  /^[du]dts$/, // DTS Surround Sound
+  /^dts[cex]$/, // DTS Digital Surround (dtsc), DTS Express (dtse), DTS:X (dtsx)
 ];