Abstract: Devices, systems, and methods are described for authoring, producing, securing, and/or distributing multiple variations of an instance of a media presentation. For example, one device embodiment includes a processor and memory having instructions executable on the processor. The instructions can allow a producer of media content to define a number of variating dimensions for a media presentation, maintain subscriber variation database tables having records that define subscriber variations in terms of a set of variating dimensions from the number of variating dimensions, maintain media element database tables having records that define media elements in terms of a set of variating dimensions from the number of variating dimensions, and determine which elements and in what order the elements are to be included a variation of an instance of a media presentation.

Abstract: Embodiments of media assembly are disclosed. In one method embodiment, the method includes manipulating at least one textual script file representing a number of component performance elements of a media program, presenting a visual representation of at least one of the number of component performance elements, cueing the artist to begin performing a take of a component performance element, capturing an artist's performance of at least one of the number of component performance elements, indicating whether mistakes were made by the artist during the take of the component performance element, and storing at least one recorded artist performance in memory.

Abstract: A microprocessor-based audiometer for use with children. A color visual display unit is used to display an image digitally stored in memory or on disk drive to attract the childs attention and hold its concentration during testing.The child activates a response switch upon detecting the tones produced by audiometer to the generator. Correct responses are reinforced by progressive alteration of the displayed image to increasingly desirable states.