An audio device comprising: a speaker array aligning a plurality of speaker units; an audio signal processing section comprising: a sound volume control for controlling input audio signals in volume; a main processing section for controlling timings of supplying first audio signals to the speaker units of the speaker array , so that the speaker array outputs at least one sound beam emitted in a prescribed direction; a high-pass filter for producing second audio signals by extracting high-frequency components from the volume-controlled input audio signals; a high-band control for controlling the second audio signals to be emitted with directivity characteristics distributed in an area; and an adder for adding the first and second audio signals and for supplying the resulting audio signals to the speaker array ; and a control section for controlling an output level of the high-band control , wherein the volume-controlled input audio signals are branched into the main processing section and a sub-processing section, the sub-processing section comprising the high-pass filter and the high-band control , wherein the first audio signals are the volume-controlled input audio signals branched into the main processing section and the sub-processing section; wherein the control section is configured for controlling the output level of the high-band control in response to the volume of the first audio signals and/or an emission direction of the at least one sound beam. a speaker array aligning a plurality of speaker units; an audio signal processing section comprising: a sound volume control for controlling input audio signals in volume; a main processing section for controlling timings of supplying first audio signals to the speaker units of the speaker array , so that the speaker array outputs at least one sound beam emitted in a prescribed direction; a high-pass filter for producing second audio signals by extracting high-frequency components from the volume-controlled input audio signals; a high-band control for controlling the second audio signals to be emitted with directivity characteristics distributed in an area; and an adder for adding the first and second audio signals and for supplying the resulting audio signals to the speaker array ; and a sound volume control for controlling input audio signals in volume; a main processing section for controlling timings of supplying first audio signals to the speaker units of the speaker array , so that the speaker array outputs at least one sound beam emitted in a prescribed direction; a high-pass filter for producing second audio signals by extracting high-frequency components from the volume-controlled input audio signals; a high-band control for controlling the second audio signals to be emitted with directivity characteristics distributed in an area; and an adder for adding the first and second audio signals and for supplying the resulting audio signals to the speaker array ; and a control section for controlling an output level of the high-band control , wherein the volume-controlled input audio signals are branched into the main processing section and a sub-processing section, the sub-processing section comprising the high-pass filter and the high-band control , wherein the first audio signals are the volume-controlled input audio signals branched into the main processing section and the sub-processing section; wherein the control section is configured for controlling the output level of the high-band control in response to the volume of the first audio signals and/or an emission direction of the at least one sound beam. <EOS>