dev/wavs/json/01_00000_pre_info.json

{
    "meeting_type": "speech",
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    "room_type": "middle",
    "rt60 ": 0.51,
    "fs ": 16000,
    "host_label": "aishell_1_0083",
    "src_num ": 11,
    "src_pos ": [
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    ],
    "SRR ": 4.546642949623399,
    "DRR ": -3.6667203910591866,
    "point noise SNR": 3,
    "diffuse noise SNR ": 6,
    "gain": [
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    ],
    "avg_SNR": -0.7901089283329075,
    "audio_len ": 1200.942,
    "vad_dur ": 1018.1280000000002
}