Evaluation of a frequency transposition algorithm using wearable hearing aids.

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1、OriginalArticleInternationalJournalofAudiology2009;48:384
393JoannaD.RobinsonEvaluationofafrequencytranspositionThomasH.StainsbyThomasBaeralgorithmusingwearablehearingaidsBrianC.J.MooreDepartmentofExperimentalAbstractSumarioPsychology,UniversityofCambri

2、dge,TranspositionofacousticinformationfromhighertoLatransposicio´ndelainformacio´nacu´sticadesdelasUKlowerfrequenciesmayhelppeoplewithsevereorfrecuenciasma´saltasalasma´sbajaspuedeayudaraprofoundhigh-frequencyhearingloss,especiallywhenapersonasconpe´rdi

3、dasauditivasseverasoprofundasendeadregionispresent.Previously,we(Robinsonetal,lasaltasfrecuencias,especialmentecuandoesta´presenteKeyWords2007)evaluatedthebenefitofanFFT-basedtransposi-unaregio´nmuerta.Previamente,nosotros(RobinsonTranspositiontionalgor

4、ithminalaboratorystudy.Althoughresultsycol,2007)evaluamoselbeneficiodeunalgoritmodewerepromising,wehypothesizedthatfurthertrainingtransposicio´nbasadoenFFTenunestudiodeHearinglossandexposurewouldbeneededtogainthefullbenefit.laboratorio.Aunquelosresultad

5、osfueronpromisorios,DeadregionThiswastestedherebyimplementingthealgorithminplanteamoslahipo´tesisdequeentrenamientoyHearingaidwearabledigitalhearingaids.Fivesubjectswithhigh-exposicio´nadicionalserı´annecesariosparaobtenerelfrequencydeadregionsusedtheai

6、dsforfiveweeks.beneficiocompleto.Estoseevaluo´enestaoportunidadConsonantrecognitionPerformanceonthetransposingandcontrolconditionsimplementandoelalgoritmoenauxiliaresauditivoswascomparedobjectivelyusingspeechtests(vowel-digitalesconvencionales.Cincosuje

7、tosconregionesconsonant-vowel,sdetection,andspeechinnoise)andmuertasenlasaltasfrecuenciasusaronestosauxiliaresAbbreviationssubjectivelyusingquestionnaires.Overall,theresultsporcincosemanas.Eldesempenoenlascondicionesdeshowednobenefitwiththetransposition

8、evenaftertransposicio´nycontrolsecomparo´objetivamenteusandoASL:Adaptivesentencelistexperience.Subjectivepreferencewasgenerallyforthepruebasdelenguaje(vocal-consonante-vocal,deteccio´nDR:Deadregioncontrolcondition.dela?s?ylenguaj