Text and graphs describe the Dynamic Range Configuration audiogram developed at the Central Institute for the Deaf in St. Louis, Missouri. The audiogram displays the portion of the average speech spectrum audible to the child, with and without amplification, and can be effective in counseling parents and planning appropriate amplification.…

Installation of a test room and associated equipment for testing hearing represents a major financial investment. A room that is improperly selected or installed will not meet accepted standards for work with hearing impaired clients. Characteristics which must be considered are degree of residual noise, physical configuration, and hearing test…