- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT03686046
Evaluation of an Open-source Speech-processing Platform (EOSP)
Přehled studie
Detailní popis
Part 1 Speech perception tests. You will hear words and sentences under a variety of listening conditions and be asked either to either repeat them or to select what you heard from a set of options. You will also answer a few questions about the speech and the background noise. The goal is to determine the ability of the most recent version of the device to deliver good quality speech that is comfortable and understandable over a range of conditions that are representative of everyday listening.
Part 2. Suitability and Acceptability. You will be asked to respond to a short structured interview about the device. If the device has reached a wearable stage, you will wear it outside the laboratory while engaging in discussion with one of the researchers before completing the interview. The goal is to obtain the opinions of persons with hearing loss about the device itself, and about their willingness to wear it as a hearing aid in their everyday life, if they were to be involved in a research study.
Part 3 is a focus-group session with about 10 hearing-aid users, some of whom will have participated in Parts 1 and 2. Topics will deal with hearing aids in general and about the current version of the experimental device. Discussion will be recorded for later transcription and analysis. The goal is to gain the perspective of hearing-aid users about hearing aids, hearing-aid research, and the acceptability of this experimental device for field research.
Typ studie
Zápis (Očekávaný)
Kontakty a umístění
Studijní místa
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California
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San Diego, California, Spojené státy, 93402
- Nábor
- San Diego State University, Audiology Clinic
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Kontakt:
- Christine Kirsch, AuD
- Telefonní číslo: 619-594-4176
- E-mail: ckirsch@sdsu.edu
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Kontakt:
- Arthur Boothroyd, PhD
- Telefonní číslo: 6195508951
- E-mail: aboothroyd@sdsu.edu
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Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Metoda odběru vzorků
Studijní populace
Popis
Inclusion Criteria:
- Sensorineural hearing loss
Exclusion Criteria:
- Cognitively challenged
- Legally blind
Studijní plán
Jak je studie koncipována?
Detaily designu
Kohorty a intervence
Skupina / kohorta |
Intervence / Léčba |
|---|---|
|
Exploratory use
Brief (2 hour) exploratory use of prototype self-adjusted wearable Master Hearing Aid
|
Participants will be accompanied by a researcher while wearing the open-source speech processing platform as a hearing aid - adjusted to their needs using a widely accepted Fitting prescription.
Using a hand-held controller, they will readjust to their liking as the acoustic conditions change.
After returning to the laboratory, they will complete speech perception tests using under their self-selected amplification conditions and respond to a structured interview dealing with perceived performance of the device and its acceptability as a hearing aid during possible field studies.
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Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Response to structured interview
Časové okno: Approximately 2 weeks after last participant completes the exploratory use, estimated to be about 6 months.
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A wearable speech-processing platform for hearing-aid research
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Approximately 2 weeks after last participant completes the exploratory use, estimated to be about 6 months.
|
Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Electro-acoustic performance of the speech-processing platform
Časové okno: Approximately 2 weeks after last participant completes the exploratory use, estimated to be about 6 months.
|
Real-ear gain versus frequency curves of the speech-processing platform, before and after self-adjustment during the brief trial, will be obtained with the Verifit 2 hearing-aid test system - using standard audiological clinical procedures.
(Mackersie, Boothroyd and Lithgow, 2018).
|
Approximately 2 weeks after last participant completes the exploratory use, estimated to be about 6 months.
|
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Aided speech perception
Časové okno: Approximately 2 weeks after last participant completes the exploratory use, estimated to be about 6 months.
|
Participants will repeat prerecorded single syllable words presented at varying levels levels from a loudspeaker.
Performance will be assessed as the percentage of speech sounds correctly repeated and will be measured while wearing the speech-processing platform as set before and after self-adjustment.
(Boothroyd, 2008)
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Approximately 2 weeks after last participant completes the exploratory use, estimated to be about 6 months.
|
|
Pattern of user self-adjustments.
Časové okno: Approximately 2 weeks after last participant completes the exploratory use
|
Changes of gain and spectral slope initiated by participants in response to changing , estimated to be about 6 months.acoustic
conditions will be automatically logged by the self-adjustment software.
(Boothroyd and Mackersie (2017)
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Approximately 2 weeks after last participant completes the exploratory use
|
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Participant-specified issues, comments, and opinions
Časové okno: Approximately 2 months after last participant completes the exploratory use, estimated to be about 6 months.
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Focus group for all participants
|
Approximately 2 months after last participant completes the exploratory use, estimated to be about 6 months.
|
Spolupracovníci a vyšetřovatelé
Sponzor
Spolupracovníci
Vyšetřovatelé
- Vrchní vyšetřovatel: Arthur Boothroyd, Ph.D, San Diego State University
Publikace a užitečné odkazy
Obecné publikace
- Boothroyd A, Mackersie C. A "Goldilocks" Approach to Hearing-Aid Self-Fitting: User Interactions. Am J Audiol. 2017 Oct 12;26(3S):430-435. doi: 10.1044/2017_AJA-16-0125.
- Mackersie C, Boothroyd A, Lithgow A. A "Goldilocks" Approach to Hearing Aid Self-Fitting: Ear-Canal Output and Speech Intelligibility Index. Ear Hear. 2019 Jan/Feb;40(1):107-115. doi: 10.1097/AUD.0000000000000617.
- Lee CH, Kates JM, Rao BD, Garudadri H. Speech quality and stable gain trade-offs in adaptive feedback cancellation for hearing aids. J Acoust Soc Am. 2017 Oct;142(4):EL388. doi: 10.1121/1.5007278.
- Boothroyd A. The performance/intensity function: an underused resource. Ear Hear. 2008 Aug;29(4):479-91. doi: 10.1097/AUD.0b013e318174f067.
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Očekávaný)
Dokončení studie (Očekávaný)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
Klíčová slova
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