To associate a PA, used to expose broadcast Audio Stream parameters, with a
broadcast Audio Stream, the Broadcast Source shall transmit EA PDUs that
include the following data. This struct represents the AD data value
excluding the 2-octet Service UUID. See BAP v1.0.1 Section 3.7.2.1 for more
details.
A single subgroup in a Basic Audio Announcement as outlined in
BAP spec v1.0.1 Section 3.7.2.2. Each subgroup is used to
group BISes present in the broadcast isochronous group.