Info classes

Name	Description
AudioTrack	Class that extends Track to define the audio track abstraction.
ClosedCaptionsTrack ClosedCaptionsTrack	Class that extends Track to define the closed caption abstraction. Class that defines the ClosedCaptions abstraction. A closed captions track is defined uniquely by its name AND it's service type. Different service types can share the same name.
Profile	Class that contains media profile information, such as the height, width, and bit rate.
Track	Class that defines the track abstraction to use in defining AudioTrack and ClosedCaptionsTrack.