Music enjoyment in SSD pa2ents:

the synergis2c effect of electric and acous2c s2mula2on

DavidM.Landsberger

KatrienVermeire,NataliaStupak,Anne<eM.Zeman,PaulVandeHeyning,MarioA.Svirsky

Music percep2on by CI users

• MusicpercepConistypicallymuchworsethanspeechpercepConforCIusers.• Buthowgood(orhowbad)ismusicwithaCI?• MusicsoundqualitywithaCIishardtoevaluatewithoutareference.

•  Forexample,scalingqualityofmusicrelaCvetonormalhearingdependsonmemoryofwhatmusicsoundedlikewithnormalhearing.

Single-sided deafness (SSD) CI users

•  SSDCIusers,whohavenormalcontralateralhearingpresentauniqueopportunitytoassessmusicenjoymentquanCtaCvelyinCIusers•  SSDsubjectsallowcomparingsoundqualityofelectricalorelectroacousCcsCmulirelaCvetoanormalear.• Allowscomparingacrosssubjects(asallofthemhavethesamenormalhearingfixedreferencepoint)

Defined a scale with a normal ear against which electrical s2mula2on can be compared

SongUnprocessedto1NormalHearingEar?

SongVocoded(6channelwith6.5mmshiW)toNormalHearingEar.

WhereisSongplayedonlytoaCI

onthisscale?

WhereisSongplayedtoNormalEarandCI

onthisscale?

We quan2fied music with a CI rela2ve to music with a Normal Ear.

Onascaleofunprocessed(100)to6channelvocoded(0)totheNormalEar• RingOfFire:ElectricsCmulaConis22• RhapsodyinBlue:ElectricsCmulaConis11

MusicEnjoymentwithElectricOnlywassimilartoAcousCcOnlywithLowPassFilterat250Hz

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)

Music enjoyment in SSD pa2ents: the synergis2c effect of electric and acous2c s2mula2on

Poster 86

• QuanCfiedmusicwithaCIrelaCvetomusicwithaNormalEar.• AddingthepoorqualityelectricalsCmuluscontralaterallytoanormalearIMPROVESmusicenjoyment• Createdatestthatallowscomparingsoundqualityacrosssubjects!