Bilateral synchronized channel selection for cochlear implants

A bilateral hearing implant system has a left side and a right side. Left and right side filter bank pre-processors preprocess left and right microphone signals to generate band pass signals for each side. A bilateral signal processing arrangement processes the band pass signals in a time sequence o...

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Bibliographische Detailangaben
Hauptverfasser:	Schleich, Peter, Meister, Dirk
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROTHERAPY HUMAN NECESSITIES HYGIENE LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE PUBLIC ADDRESS SYSTEMS RADIATION THERAPY ULTRASOUND THERAPY
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Beschreibung
Zusammenfassung:	A bilateral hearing implant system has a left side and a right side. Left and right side filter bank pre-processors preprocess left and right microphone signals to generate band pass signals for each side. A bilateral signal processing arrangement processes the band pass signals in a time sequence of stimulation frames. The signal processing module includes a bilateral channel selection module synchronously selects for each stimulation frame a set of stimulation channels for each side based on spectral content of the band pass signals. Left and right side signal processing submodules process for each stimulation frame a limited subset of each side band pass signals corresponding to the selected stimulation channels to generate electrical stimulation signals.