#tb 0: 1/8000
#media_type 0: audio
#codec_id 0: pcm_s16le
#sample_rate 0: 8000
#channel_layout_name 0: mono
0, 0, 0, 240, 480, 0xa697b314
0, 240, 240, 240, 480, 0x43c5dc5a
0, 480, 480, 240, 480, 0xd2438147
0, 720, 720, 240, 480, 0x3b1ead64