text: export const MetaTypes = {
    NUMBER: 0,
    BOOLEAN: 1,
    STRING: 2,
    OBJECT: 3,
    MIX_ARRAY: 8,
    OBJECT_END: 9,
    STRICT_ARRAY: 10,
    DATE: 11,
    LONE_STRING: 12
  }
  
  export const EventTypes = {
    DATA_READY: 'data_ready',
    META_DATA_READY: 'meta_data_ready',
    TRACK_META_READY: 'track_meta_ready',
    MEDIA_INFO_READY: 'media_info_ready',
    META_END_POSITION: 'meta_end_position',
    ERROR: 'error'
  }
  
  export const soundRateTypes = [
    5500,
    11000,
    22000,
    44000
  ]
  
  export const AudioObjectTypes = {
    0: 'Null',
    1: 'AAC Main',
    2: 'AAC LC',
    3: 'AAC SSR(Scalable Sample Rate)',
    4: 'AAC LTP(Long Term Prediction)',
    5: 'HE-AAC / SBR(Spectral Band Replication)',
    6: 'AAC Scalable'
  }
  
  export const samplingFrequencyTypes = [
    96000, 88200,
    64000, 48000,
    44100, 32000,
    24000, 22050,
    16000, 12000,
    11025, 8000
  ]
  
  export const browserTypes = {
    IE: 'ie',
    FIRE_FOX: 'firefox',
    CHROME: 'chrome',
    OPERA: 'opera',
    SAFARI: 'safari'
  }
  
  export const mp3Versions = {
    V25: 0,
    RESERVED: 1,
    V20: 2,
    V10: 3
  }
  
  export const audioSampleRate = {
    V10: [44100, 48000, 32000, 0],
    V20: [22050, 24000, 16000, 0],
    V25: [11025, 12000, 8000, 0]
  }
  
  export const mp3BitRate = {
    Layer1: [0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, -1],
    Layer2: [0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, -1],
    Layer3: [0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, -1]
  }
  