Abstract: A sound collection apparatus A server (10) causes a terminal device (30) to display a setting user interface, and receives a prohibition time zone setting command. Server sets a prohibition time zone for a target device based on the prohibition time zone setting command. Server (10) causes the target device to utter, when a time for causing the target device to utter is determined not to correspond to the prohibition time zone.

Abstract: A presentation system includes a server, a presentation device, and an information terminal. The server includes: a first communicator that communicates with the presentation device; a first controller that sends, to the presentation device, a notification that has been associated in advance with a condition satisfied by an operation state obtained from the appliance; and a storage that stores a history of the sent notification. The presentation device presents the notification. The information terminal includes: a display; an acceptor that accepts an operation; a second communicator that communicates with the server; and a second controller that creates a user interface (UI) for accepting the operation, and causes the display to display the UI. The second controller obtains the history from the server via the second communicator. The UI includes the obtained history and accepts turning off the notification included in the history.

Abstract: A voice control method according to the present disclosure includes: judging, for each of a plurality of utterance objects capable of outputting voice, whether the utterance object is outputting voice; and based on a result of the judging, causing one or more of the plurality of utterance objects to output voice at one of a timing of immediately outputting voice and a timing of outputting voice after an end of outputting voice by an utterance object which is outputting voice among the plurality of utterance objects.