Handheld apparatus ( 100 ), and method for comprehensive hearing testing with pass/refer results applicable for large scale neonatal screening, adult screening, full hearing diagnostic is disclosed. The apparatus ( 100 ) contains a signal processor ( 1 ), integral ear probe ( 150 ), and remote ear, and scalp probes ( 104 ) all packaged as a single handheld battery operated device ( 100 ). The apparatus ( 100 ) preferably performs a battery of tests, either independently or combined: oto-acoustic measurements utilizing a novel digital signal processing method for evoked oto-acoustic signal processing, auditory brain stem response test, tympanometry, and oto-reflectance. Algorithms for automatic test sequence, and pass/refer indication for the tests are provided.
Handheld audiometric device and method of testing hearing