1. Design and evaluation of tinnitus synthesis methods: From spectral to spatial matching
- Author
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Alexis Baskind, Isabelle Viaud-Delmon, Stephanie Bertet, Alain Londero, Laure Bonfils, Olivier Warusfel, Espaces acoustiques et cognitifs (EAC), Sciences et Technologies de la Musique et du Son (STMS), Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche et Coordination Acoustique/Musique (IRCAM)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Sonic Arts Research Laboratory, Queen's University [Belfast] (QUB), SRH Hochschule der populären Künste (hdpk), Centre d'étude de la SensoriMotricité (CESEM - UMR 8194), Université Paris Diderot - Paris 7 (UPD7)-Université Paris Descartes - Paris 5 (UPD5)-Centre National de la Recherche Scientifique (CNRS), Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris (AP-HP), Equipe Espaces acoustiques et cognitifs, Sciences et Technologies de la Musique et du Son ( STMS ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -IRCAM-Centre National de la Recherche Scientifique ( CNRS ) -Université Pierre et Marie Curie - Paris 6 ( UPMC ) -IRCAM-Centre National de la Recherche Scientifique ( CNRS ), Queen's University [Belfast] ( QUB ), SRH Hochschule der populären Künste ( hdpk ), Centre d'étude de la SensoriMotricité ( CESEM - UMR 8194 ), Université Paris Diderot - Paris 7 ( UPD7 ) -Université Paris Descartes - Paris 5 ( UPD5 ) -Centre National de la Recherche Scientifique ( CNRS ), and Université Pierre et Marie Curie - Paris 6 (UPMC)-IRCAM-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-IRCAM-Centre National de la Recherche Scientifique (CNRS)
- Subjects
Adult ,Male ,medicine.medical_specialty ,Synthesis methods ,Audiology ,Pitch Discrimination ,Tinnitus ,03 medical and health sciences ,0302 clinical medicine ,spectral matching ,otorhinolaryngologic diseases ,Humans ,Medicine ,Computer Simulation ,[ SDV.IB ] Life Sciences [q-bio]/Bioengineering ,Auditory threshold ,[SDV.MHEP.OS]Life Sciences [q-bio]/Human health and pathology/Sensory Organs ,MESH : Auditory Threshold, Pitch discrimination, tinnitus/therapy ,030223 otorhinolaryngology ,business.industry ,Pure tone ,[SCCO.NEUR]Cognitive science/Neuroscience ,spatial matching ,MESH: Auditory Threshold, Pitch discrimination, tinnitus/therapy ,Middle Aged ,Otorhinolaryngology ,[ SDV.MHEP.OS ] Life Sciences [q-bio]/Human health and pathology/Sensory Organs ,[ SCCO.NEUR ] Cognitive science/Neuroscience ,Spectral matching ,Female ,[SDV.IB]Life Sciences [q-bio]/Bioengineering ,Contralateral ear ,medicine.symptom ,Percept ,business ,Merge (version control) ,030217 neurology & neurosurgery - Abstract
International audience; PURPOSE: This study was designed to investigate methods to help patients suffering from unilateral tinnitus synthesizing an auditory replica of their tinnitus.MATERIALS AND METHODS: Two semi-automatic methods (A and B) derived from the auditory threshold of the patient and a method (C) combining a pure tone and a narrow band-pass noise centred on an adjustable frequency were devised and rated on their likeness over two test sessions. A third test evaluated the stability over time of the synthesized tinnitus replica built with method C, and its proneness to merge with the patient's tinnitus. Patients were then asked to try and control the lateralisation of this single percept through the adjustment of the tinnitus replica level.RESULTS: The first two tests showed that seven out of ten patients chose the tinnitus replica built with method C as their preferred one. The third test, performed on twelve patients, revealed pitch tuning was rather stable over a week interval. It showed that eight patients were able to consistently match the central frequency of the synthesized tinnitus (presented to the contralateral ear) to their own tinnitus, which leaded to a unique tinnitus percept. The lateralisation displacement was consistent across patients and revealed an average range of 29dB to obtain a full lateral shift from the ipsilateral to the contralateral side.CONCLUSIONS: Although spectrally simpler than the semi-automatic methods, method C could replicate patients' tinnitus, to some extent. When a unique percept between synthesized tinnitus and patients' tinnitus arose, lateralisation of this percept was achieved.
- Published
- 2013