CHARACTERISTICS ADJUSTING SYSTEM FOR HEARING AID

PROBLEM TO BE SOLVED: To perform adjustment without changing the loudness even when frequency characteristics are arbitrarily changed from high frequency emphasis to low frequency emphasis regardless of the characteristics of the ears of a user who wears a heating aid. SOLUTION: This hearing aid has...

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Bibliographische Detailangaben
Hauptverfasser:	OGUSHI MASAHIKO, AOKI KIKUO, NAKAHARA YOSHIFUMI
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To perform adjustment without changing the loudness even when frequency characteristics are arbitrarily changed from high frequency emphasis to low frequency emphasis regardless of the characteristics of the ears of a user who wears a heating aid. SOLUTION: This hearing aid has a function of continuously varying the frequency characteristics from monotone high frequency emphasis is proportion to frequency to monotone low frequency emphasis in inverse proportion to frequency with a reference frequency fo as the center without changing the level of this point and further has a function of setting the reference frequency fo to an arbitrary point independently of the variation of the frequency characteristics.