2026-10-23T03:33:44.554834+00:00 test_material 53 2 2 Channel-based 22.2 /ADM/ 248837388 true 2020-06-30T13:41:41.886720+00:00 WAV+ADM (V) false This ADM test file contains 24 tracks with 22.2 channels. The audio contains spoken idents saying "M+060", "M-060", etc. 22.2 ADM WAV