typedef struct _ModuleUpFIRDnConverter
{
    ModuleInstanceDescriptor instance;            // Common Audio Weaver module instance structure
    FLOAT32 gd;                                   // Group Delay or latency, calculated result
    INT32 KAISER;                                 // Filter type constant
    INT32 PARKS_MCCLELLAN;                        // Filter type constant
    INT32 CUSTOM;                                 // Filter type constant
    FLOAT32 fin;                                  // Input Sample Rate
    INT32 L;                                      // Interpolation factor
    INT32 D;                                      // Decimation factor
    INT32 filterType;                             // filter type of FIR
    INT32 ND;                                     // Integer multiplication factor
    INT32 N;                                      // length of FIR filter
    INT32 NQ;                                     // Size of QBUF, >= 2*Q, where Q = N/L (integer divide)
    INT32 IQ;                                     // QBUF index
    INT32 JQ;                                     // QBUF index, moving address index.
    INT32 NC;                                     // Size of array COFS
    INT32 NCOEF;                                  // Size of COEF array
    FLOAT32* QBUF;                                // Internal buffer for storage of state variables of FIR filter
    INT32* ICTR;                                  // Buffer for storing control data
    FLOAT32* COEF;                                // FIR symmetric filter coeffs
    FLOAT32* COFS;                                // scrambled coeffs for FIR filter
} ModuleUpFIRDnConverterClass;