{
  "authored_segments": [
    {
      "duration_seconds": 2,
      "bit_rate_bits_per_second": 64000
    },
    {
      "duration_seconds": 2,
      "bit_rate_bits_per_second": 192000
    }
  ],
  "illustrative_non_audio_bytes": 12000,
  "real_mp3_created_or_parsed": false
}