Hearing enhancement systems

摘要: A hearing enhancement system that enhances a user's is disclosed. For example, the can include an interface unit has directional speaker and microphone. The microphone captures input audio signals are transformed into ultrasonic signals. transmits signals, which output by interaction with air. At least portion of modified to enhance user. Based on system, ear remains free from any inserted objects thus annoying occlusion effects. Compared existing aids, relatively inexpensive. In another embodiment, also be used as phone. yet access other portable or non-portable instruments, wired wirelessly, such home entertainment units, phones, microphones at conference speakers movie theater.