[cleanup] accept FIX_337_TDREND_INTP

#define SFX_SPAT_BIN_NUM_SUBSAMPLES             64

#define ITD_MEM_LEN                             (MAX_ITD + SFX_SPAT_BIN_SINC_M)

#define L_SUBFRAME5MS_48k                       (L_FRAME48k/4)

#ifdef FIX_337_TDREND_INTP

#define MAX_ANGULAR_STEP                        (1.0f)

#else

#define MAX_ANGULAR_STEP                        (15.0f)

#endif

#define MAX_ANGULAR_STEP_INV                    ( 1.0f / MAX_ANGULAR_STEP )

#define MAX_INTERPOLATION_STEPS                 12

#ifndef FIX_310_TD_REND_DELAY

#define FIX_197_CREND_INTERFACE 

#define FIX_337_TDREND_INTP                             /* Issue 337: TD renderer interpolation threshold set too low */

#define FIX_MEMORY_COUNTING_HRTF_BINARY_FILE

#define FIX_310_TD_REND_DELAY                           /* Adding HRTF delay being read from ROM/Binary file, fix rounding for delay compensation in renderer */