US Patent 11282349 Device, system and method for crowd control

A device, system and method for crowd control is provided. An aural command is detected at a location using a microphone at the location. A computing device determines, based on video data received from one or more multimedia devices, whether one or more persons at the location are not following the aural command. The computing device modifies the aural command to generate a second version of the aural command based on one or more of the video data and multimedia data associated with the location. The computing device causes the second version of the aural command to be provided, to the one or more persons who are not following the aural command at the location, using one or more notification devices.