1#tb 0: 1/8000
2#media_type 0: audio
3#codec_id 0: pcm_s16le
4#sample_rate 0: 8000
5#channel_layout_name 0: mono
60, 0, 0, 240, 480, 0xa697b314
70, 240, 240, 240, 480, 0x43c5dc5a
80, 480, 480, 240, 480, 0xd2438147
90, 720, 720, 240, 480, 0x3b1ead64
10