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Researchers
and developers in the hearing aid industry have made significant progress
towards improving communication in difficult circumstances, but many listening
situations still cause difficulties for hearing aid users. Environmental
noise often constitutes a problem in regards to communication and hearing
aid manufacturers are faced with a number of challenges :
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- Improve speech intelligibility
in noise
- Improve listening comfort
in difficult listening situations
- Reproduce nature's sounds
- Make weak sounds audible
- Ensure that loud sounds
are never uncomfortable
- Ensure optimum music reproduction
- Control feedback
- Optimise the user's perception
of his/her own voice
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