TD_DFFT2CONV ( { ART_SPEC | MATRIX_SPEC }) , [ FUNC_PARAMS ( [ CONV ( { RAW_TO_HR | HR_TO_RAW } ) ,] [ HERTZ_SAMPLE_RATE ( float ) ,] [ FREQ_STYLE ( {K_INTEGRAL | K_SAMPLE_RATE | K_RADIANS | K_HERTZ} ) ] ) ] [ , OUTPUT_FMT ( CONTENT ( { COMPLEX | AMPL_PHASE_RADIANS | AMPL_PHASE_DEGREES | AMPL_PHASE | MULTIVAR_COMPLEX | MULTIVAR_AMPL_PHASE | MULTIVAR_AMPL_PHASE_RADIANS | MULTIVAR_AMPL_PHASE_DEGREES | MULTIVAR_AMPL_PHASE } ) ) ] ) ;