headLocked
Indicates if the perceived location of the audio element is locked to the head or not locked
(element name)
element is present (extra spec name if needed)
(Dolby Atmos Master ADM Profile addition)
(subelement name)
subelement count (subelement count)
is not permitted, (min or max)
is (max count)
(extra spec name if needed)
(Dolby Atmos Master ADM Profile addition)