Even though the correlation between multi-spatial amplitude response metrics and listener preferences has been established, most commercial loudspeaker crossover optimization tools operate on only a single axis of loudspeaker system’s amplitude response. This paper describes development of a software based crossover network optimizer that is capable of simultaneously optimizing the on-axis, as well as off-axis acoustic response of a loudspeaker system. Choice of off-axis acoustic metrics as well as a general description of software and implementation of numerical optimization algorithms will be briefly discussed. Several design examples are presented, and measured versus predicted results will be shown.
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