1METADATA block #0 2 type: 0 (STREAMINFO) 3 is last: false 4 length: XXX 5 sample_rate: 8000 Hz 6 channels: 1 7 bits-per-sample: 8 8 total samples: 80000 9 MD5 signature: a042237c5493fdb9656b94a83608d11a 10