diff --git a/mpd/mpd.go b/mpd/mpd.go
index 022cb45..a19850e 100644
--- a/mpd/mpd.go
+++ b/mpd/mpd.go
@@ -240,8 +240,14 @@ func (as *AdaptationSet) UnmarshalXML(d *xml.Decoder, start xml.StartElement) er
 					return err
 				}
 				representations = append(representations, rp)
+			case "Accessibility":
+				ac := new(Accessibility)
+				err = d.DecodeElement(ac, &tt)
+				if err != nil {
+					return err
+				}
 			default:
-				return errors.New("Unrecognized element in AdaptationSet")
+				return errors.New("Unrecognized element in AdaptationSet: " + tt.Name.Local)
 			}
 		case xml.EndElement:
 			if tt == start.End() {
@@ -411,7 +417,7 @@ type SegmentTemplate struct {
 	AdaptationSet          *AdaptationSet   `xml:"-"`
 	SegmentTimeline        *SegmentTimeline `xml:"SegmentTimeline,omitempty"`
 	PresentationTimeOffset *uint64          `xml:"presentationTimeOffset,attr,omitempty"`
-	Duration               *int64           `xml:"duration,attr"`
+	Duration               *float64         `xml:"duration,attr"`
 	Initialization         *string          `xml:"initialization,attr"`
 	Media                  *string          `xml:"media,attr"`
 	StartNumber            *int64           `xml:"startNumber,attr"`
@@ -435,6 +441,11 @@ type Representation struct {
 	SegmentTemplate           *SegmentTemplate           `xml:"SegmentTemplate,omitempty"`
 }
 
+type Accessibility struct {
+	SchemeIdUri *string `xml:"schemeIdUri,omitempty"`
+	Value       *int64  `xml:"value,omitempty"`
+}
+
 type AudioChannelConfiguration struct {
 	SchemeIDURI *string `xml:"schemeIdUri,attr"`
 	// Value will be an int for non-Dolby Schemes, and a hexstring for Dolby Schemes, hence we make it a string
@@ -923,9 +934,9 @@ func (as *AdaptationSet) AddContentProtection(cp ContentProtectioner) error {
 // media - template string for media segments.
 // startNumber - the number to start segments from ($Number$) (i.e. 0).
 // timescale - sets the timescale for duration (i.e. 1000, represents milliseconds).
-func (as *AdaptationSet) SetNewSegmentTemplate(duration int64, init string, media string, startNumber int64, timescale int64) (*SegmentTemplate, error) {
+func (as *AdaptationSet) SetNewSegmentTemplate(duration float64, init string, media string, startNumber int64, timescale int64) (*SegmentTemplate, error) {
 	st := &SegmentTemplate{
-		Duration:       Int64ptr(duration),
+		Duration:       Float64ptr(duration),
 		Initialization: Strptr(init),
 		Media:          Strptr(media),
 		StartNumber:    Int64ptr(startNumber),