engine you only need to consider the LHV1 form:
</p><pre>
Private Type BE_CONFIG_FORMAT_LHV1
   dwStructVersion As Long
   dwStructSize As Long
   dwSampleRate As ELameSampleRate
   dwReSampleRate As Long
   nMode As ELameOutputModeOption
   dwBitRate As ELameBitRate
   dwMaxBitrate As Long
   nPreset As ELamePresetEncodingOption
   dwMpegVersion As ELameMP3Version
   dwPsyModel As Long
   dwEmphasis As Long
   bPrivate As Long
   bCRC As Long
   bCopyright As Long
   bOriginal As Long
   bWriteVBRHeader As