US Patent 11032610 Methods and apparatus to determine engagement levels of audience members

Methods and apparatus to determine engagement levels of audience members are disclosed. An example computer readable storage medium includes computer readable instructions that, when executed, cause a processor to at least analyze image data from a sensor to determine whether an environment in which media is to be presented by a first device includes a second device with an illuminated display, and when the environment includes the second device with the illuminated display, determine whether the illuminated display of the second device is associated with a media presentation by the second device.