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Hearing Aids: Not Just Four Components Anymore

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1.  What are the main four components to a hearing aid? microphone, microphone, amplifier, receiver microphone, amplifier, filter, receiver microphone, amplifier, battery, receiver microphone, filter, battery, receiver

2.  What are the four main chapters to the new story? Model, Clean, Volume, Stabilize Model, Clean, Balance, Stabilize Model, Wash, Balance, Stabilize Model, Clean, Balance, Directionality

3.  What is the extra chapter? Volume Noise Reduction Optimize Connectivity

4.  Binaural Directionality provides the following directional characteristics: Omnidirectional in both ears Directionality in both ears Directional in one ear, Omnidirectional in the other ear All of the above depending on the listening environment

5.  What can the Environmental Optimizer II be used for? Automatic volume changes based on the environment Automatic noise reduction changes based on the environment Automatic environment changes for the listener a & b

6.  What directionality system uses device-to-device communication to steer the directional patterns? Binaural Directionality Natural Directionality Soft Switching Adaptive Directionality

7.  A good feedback cancellation system ensures Elimination of acoustic feedback Audibility of input signals across frequencies Audibility and feedback free when talking on the telephone All of the above

8.  About how long should a good demo take? 5 minutes 15 minutes 30 minutes 45 minutes

9.  What wireless hearing aids can be used in all environments and is globally accepted? NFMI (Near Field Magnetic Induction) 900 MHz 2.4 GHz a & b

10.  What technologies can provide more than 10dB SNR improvement? FM MiniMic Directional Microphones Both a & b