itsPerSample As Integer
   
   '// data chunk header
   cDataHeader As String * 4
   nDataBytes As Long
End Type

Public Enum EMacCompressionLevel
   COMPRESSION_LEVEL_FAST = 1000
   COMPRESSION_LEVEL_NORMAL = 2000
   COMPRESSION_LEVEL_HIGH = 3000
   COMPRESSION_LEVEL_EXTRA_HIGH = 4000
End Enum

Private Const MAC_FORMAT_FLAG_8_BIT As Long = 1           '// is 8-bit
Private Const MAC_FORMAT_FLAG_CRC As Long = 2                 '// uses the new
 CRC32 error detection
Private Const MAC_FORMAT_FLAG_HAS_PEAK_LEV