positionOffset
Apply an offset to all elements in the audioObjects
(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)