HEARING AID DEVICES

The invention relates to a hearing aid device in which the slices (s1, x2) of the electrical signal corresponding to each acoustic signal comprised respectively between 1500 and 3500 Hz and between 5000 and 7000 Hz, are transposed into compensation signals (S1, S2) comprised within two coupled range...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LAFON, JEAN-CLAUDE, GHARBI, TIJANI
Format:	Patent
Sprache:	eng ; fre
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:	The invention relates to a hearing aid device in which the slices (s1, x2) of the electrical signal corresponding to each acoustic signal comprised respectively between 1500 and 3500 Hz and between 5000 and 7000 Hz, are transposed into compensation signals (S1, S2) comprised within two coupled ranges of separate low frequencies above the range 60 to 800 Hz, alone preserved without compensation. To preserve the timbres of the transposed sounds, the compensation signals are obtained by multiplying each slice (x1, x2) by itself or by a signal (x'1, x'2) deduced from this slice by amplitude equalization.