An acoustic characteristics setting apparatus for supporting setting of parameters defining acoustic characteristics of an audio apparatus, the device comprising: a shared data acquiring unit that is configured to access a server in which a plurality of pieces of shared data are registered, each of the plurality of pieces of shared data including parameter data and acoustic environmental data, the parameter data being a set of parameters for a plurality of acoustic characteristic items, the acoustic environmental data representing an acoustic environment in a form of a set of values of a plurality of acoustic environmental items, availability of the set of parameters of the parameter data being checked for the acoustic environment, and is configured to acquire the shared data from the server; characterized by a parameter-to-be-applied selecting unit (101, 202, 203) for selecting, as a parameter to be applied, a parameter for an acoustic characteristic item defined on the basis of an acoustic environment consistency pattern, which is a pattern of consistency or inconsistency of each acoustic environmental item between a value represented by the acoustic environmental data included in the shared data acquired by the shared data acquiring unit and a value under an acoustic environment of the audio apparatus from among parameters included in the parameter data included in the acquired shared data; and a parameter setting unit (101, 202, 203) for setting for the audio apparatus, as a parameter for an acoustic characteristic item corresponding to the parameter selected for the audio apparatus, the parameter selected by the parameter-to-be-applied selecting unit as a parameter to be applied. a shared data acquiring unit that is configured to access a server in which a plurality of pieces of shared data are registered, each of the plurality of pieces of shared data including parameter data and acoustic environmental data, the parameter data being a set of parameters for a plurality of acoustic characteristic items, the acoustic environmental data representing an acoustic environment in a form of a set of values of a plurality of acoustic environmental items, availability of the set of parameters of the parameter data being checked for the acoustic environment, and is configured to acquire the shared data from the server; characterized by a parameter-to-be-applied selecting unit (101, 202, 203) for selecting, as a parameter to be applied, a parameter for an acoustic characteristic item defined on the basis of an acoustic environment consistency pattern, which is a pattern of consistency or inconsistency of each acoustic environmental item between a value represented by the acoustic environmental data included in the shared data acquired by the shared data acquiring unit and a value under an acoustic environment of the audio apparatus from among parameters included in the parameter data included in the acquired shared data; and a parameter setting unit (101, 202, 203) for setting for the audio apparatus, as a parameter for an acoustic characteristic item corresponding to the parameter selected for the audio apparatus, the parameter selected by the parameter-to-be-applied selecting unit as a parameter to be applied.