diff --git a/mpd/mpd.go b/mpd/mpd.go
index 5ca9458..e491bd0 100644
--- a/mpd/mpd.go
+++ b/mpd/mpd.go
@@ -71,6 +71,7 @@ var (
 
 type MPD struct {
 	XMLNs                      *string   `xml:"xmlns,attr"`
+	XMLNsDolby                 *string   `xml:"xmlns:dolby,attr"`
 	Profiles                   *string   `xml:"profiles,attr"`
 	Type                       *string   `xml:"type,attr"`
 	MediaPresentationDuration  *string   `xml:"mediaPresentationDuration,attr"`
@@ -391,6 +392,10 @@ type AudioChannelConfiguration struct {
 	Value *string `xml:"value,attr"`
 }
 
+func (m *MPD) SetDolbyXMLNs() {
+	m.XMLNsDolby = Strptr("http://www.dolby.com/ns/online/DASH")
+}
+
 // Creates a new static MPD object.
 // profile - DASH Profile (Live or OnDemand).
 // mediaPresentationDuration - Media Presentation Duration (i.e. PT6M16S).