{
    "inputs": [
        {
          "reader_config": {
            "audio_samplerate": 44100,
            "audio_channels": 2,
            "audio_sample_depth": "s16"
          }
        },
        {},
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          "reader_config": {
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            "audio_channels": 2,
            "audio_sample_depth": "s16"
          }
        },
        {}
    ]
}