data.json

[
  {
    "Modes": ["Basic", "Vowels", "Animals", "Musical instruments"],
    "Labels": [
      [
        "2000",
        "4000",
        "6000",
        "8000",
        "10000",
        "12000",
        "14000",
        "16000",
        "18000",
        "20000"
      ],
      ["S Letter", "T Letter", "G Letter"],
      ["Owl", "Wolf", "Dog", "Horse", "Duck", "Monkey", "bat"],
      ["Bass", "Xylophone", "Trombone", "Triangle"]
    ],

    "freq_ranges": [
      [
        [0, 2000],
        [2000, 4000],
        [4000, 6000],
        [6000, 8000],
        [8000, 10000],
        [10000, 12000],
        [12000, 14000],
        [14000, 16000],
        [16000, 18000],
        [18000, 20000]
      ],
      [
        [5000, 10500],
        [100, 200],
        [3500, 10000]
      ],
      [
        [430, 1118],
        [170, 1290],
        [187.5, 1300],
        [1300, 3300],
        [1300, 7500],
        [1200, 7500],
        [3300, 6000]
      ],
      [
        [0, 350],
        [350, 1000],
        [860, 4000],
        [4200, 22000]
      ]
    ]
  }
]