1#tb 0: 1/44100
2#media_type 0: audio
3#codec_id 0: pcm_s16le
4#sample_rate 0: 44100
5#channel_layout 0: 3
6#channel_layout_name 0: stereo
70,       4410,       4410,      441,     1764, 0x61e374f7
8