US Patent 11188953 Product suggestion system, product suggestion method, and program

A speech output system includes a directional loudspeaker configured to produce a speech output directed to at least one audible area. The at least one audible area is defined by at least one of a presence area of a customer or a selling space as a unit in a premise in which a plurality of kinds of products are displayed. A control system is configured to control the speech output system. The control system is configured to cause the directional loudspeaker to produce a speech output of product information regarding a target product based on supply information, the supply information being information which is acquired from a supply status management system and which represents a supply status of the target product.