DefaultAudioChannelLayout 4294901760 data AAAAAAAAAAAAAAAuAAAAAD+AAAAAAAABAAAAAAAAAALBQAAAAAAAA0AAAAAAAAAEQdBB iQAAAAUAAAAAAAAABkBAAAAAAAAHAAAAAAAAAAgAAAAAAAAACQAAAAAAAAAKAAAAAAAA AAtCSAAAAAAADD+AAAAAAAANQAAAAAAAAA5B8AAAAAAADwAAAAAAAAAQwsgAAAAAABEA AAAAAAAAEkEgAAAAAAATAAAAAAAAABRBIAAAAAAAFUGgAAAAAAAWwsgAAAAAABcAAAAA AAAAGECAAAAAAAAZAAAAAAAAABpBIAAAAAAAGz+AAAAAAAAcwfAAAAAAAB1CcAAAAAAA HgAAAAAAAAAfP4AAAAAAACA/gAAAAAAAIQAAAAAAAAAiAAAAAAAAACMAAAAAAAAAJAAA AAAAAAAlAAAAAAAAACY/gAAAAAAAJwAAAAAAAAAoAAAAAAAAAClGnEAAAAAAKgAAAAAA AAArAAAAAAAAACwAAAAAc3ZvbAAAAAA= manufacturer 1634758764 name MPEGDefault12LKFSStandardV2 subtype 1818521197 type 1635083896 version 0