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Music enjoyment in SSD pa2ents:
the synergis2c effect of electric and acous2c s2mula2on
DavidM.Landsberger
KatrienVermeire,NataliaStupak,Anne<eM.Zeman,PaulVandeHeyning,MarioA.Svirsky
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Music percep2on by CI users
• MusicpercepConistypicallymuchworsethanspeechpercepConforCIusers.• Buthowgood(orhowbad)ismusicwithaCI?• MusicsoundqualitywithaCIishardtoevaluatewithoutareference.
• Forexample,scalingqualityofmusicrelaCvetonormalhearingdependsonmemoryofwhatmusicsoundedlikewithnormalhearing.
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Single-sided deafness (SSD) CI users
• SSDCIusers,whohavenormalcontralateralhearingpresentauniqueopportunitytoassessmusicenjoymentquanCtaCvelyinCIusers• SSDsubjectsallowcomparingsoundqualityofelectricalorelectroacousCcsCmulirelaCvetoanormalear.• Allowscomparingacrosssubjects(asallofthemhavethesamenormalhearingfixedreferencepoint)
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Defined a scale with a normal ear against which electrical s2mula2on can be compared
SongUnprocessedto1NormalHearingEar?
SongVocoded(6channelwith6.5mmshiW)toNormalHearingEar.
WhereisSongplayedonlytoaCI
onthisscale?
WhereisSongplayedtoNormalEarandCI
onthisscale?
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We quan2fied music with a CI rela2ve to music with a Normal Ear.
Onascaleofunprocessed(100)to6channelvocoded(0)totheNormalEar• RingOfFire:ElectricsCmulaConis22• RhapsodyinBlue:ElectricsCmulaConis11
MusicEnjoymentwithElectricOnlywassimilartoAcousCcOnlywithLowPassFilterat250Hz
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Adding the poor quality electrical s2mulus contralaterally to a normal ear IMPROVES
music enjoyment Onascaleofunprocessed(100)to6channelvocoded(0)totheNormalEar• AcousCc+Electricis131(RingofFire)• AcousCc+Electricis115(RhapsodyinBlue)
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Music enjoyment in SSD pa2ents: the synergis2c effect of electric and acous2c s2mula2on
Poster 86
• QuanCfiedmusicwithaCIrelaCvetomusicwithaNormalEar.• AddingthepoorqualityelectricalsCmuluscontralaterallytoanormalearIMPROVESmusicenjoyment• Createdatestthatallowscomparingsoundqualityacrosssubjects!