#extradata 0: 2, 0x0030001c
#tb 0: 1/1000
#media_type 0: audio
#codec_id 0: aac
#sample_rate 0: 16000
#channel_layout 0: 4
#channel_layout_name 0: mono
0, 0, 0, 64, 156, 0x867d4f3a
0, 64, 64, 64, 201, 0x62745ff9
0, 128, 128, 64, 137, 0x90c639e0