Auditory Perception Clinical Trial
— COMPRESSEDOfficial title:
Users of Remote Conferencing and Compression of Sound Dynamics : Auditory Effects
The COMPRESSED project is a descriptive, bi-centric and non-invasive study carried out by the CERIAH - IDA - Institut Pasteur and the Haute École Léonard de Vinci in Brussels on volunteer participants identified in two groups : - be subject to high exposure to compressed sound, as defined by professional participation in events on broadcast platforms using sound signal processing systems, over the last 3 years, - be subject to moderate or limited exposure to compressed and manipulated sound, equivalent to that of a student following certain distance learning courses. on a videoconferencing platform, alternating with other face-to-face courses, with the ability to listen during breaks, which have been taught for a maximum of 2 years. The main objective of the COMPRESSED study is to evaluate the auditory effects of exposure to manipulated sounds (compression, filtering, equalisation, accentuation, etc.) from sound distribution platforms on the auditory system of participants who are regularly exposed to these sounds as a result of their professional activity.
Status | Not yet recruiting |
Enrollment | 200 |
Est. completion date | January 15, 2025 |
Est. primary completion date | January 15, 2025 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: For all participants: - Age 18 or over, - Work with platforms using sound signal processing systems, - Fluent in English, - Fluent in French, - Declare that they have no hearing loss. For participants in the high exposure group: - Have had a professional activity over the last three years using broadcasting platforms with sound signal processing systems, For participants in the moderate or limited exposure group: - Have worked between one semester and two years with platforms using sound signal processing systems. Exclusion Criteria: - Conductive or mixed hearing loss, i.e. where the hearing loss affects both the outer and/or middle ear and the inner ear. - Have an asymmetric hearing loss, i.e. a difference in average hearing loss between the left and right ear of more than 20 dB, - Have a history of otitis and/or an ENT disease that permanently affects hearing (vestibular schwannoma, Ménière's disease, sudden or fluctuating deafness, congenital hypoacusis), - Not fluent in English - Be under guardianship, - Deprived of liberty by judicial or administrative decision, or subject to legal protection. |
Country | Name | City | State |
---|---|---|---|
Belgium | Haute Ecole Léonard De Vinci | Bruxelles | |
France | CEntre de Recherche et d'Innovation en Audiologie Humaine | Paris |
Lead Sponsor | Collaborator |
---|---|
Institut Pasteur | Institut de l'Audition |
Belgium, France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Hearing assessments of participants exposed to manipulated sounds after and before exposure | Measurement of the difference between the hearing assessments of participants exposed to manipulated sounds after and before exposure | 2 weeks | |
Secondary | Audiometric thresholds in pure tone from 125 to 8000 Hz in the subject's exposed ear before and approximately one hour after exposure, | Measurement of the difference between audiometric thresholds in pure tone from 125 to 8000 Hz in the subject's exposed ear before and approximately one hour after exposure, | 2 weeks | |
Secondary | Difference between the threshold of the protective reflex of the auditory pathways (middle ear muscles) measured by impedancemetry in the exposed ear when a contralateral noise is presented for a few seconds. | A contralateral noise is a low-pass filtered white noise with a cut-off at 3 kHz. | 2 weeks | |
Secondary | Levels of otoemissions in acoustic distortion products in the exposed ear in response to pure tone sound stimuli | Comparison of the levels of otoemissions in acoustic distortion products in the exposed ear in response to pure tone sound stimuli at 65 dB SPL around 1, 2, 3 and 4 kHz, before and approximately one hour after exposure. | 2 weeks | |
Secondary | Tinnitus or auditory distortion (hyperacusis) reported by participants before and after exposure. | Measurement of the difference in the perception of tinnitus or auditory distortion (hyperacusis) reported by participants before and after exposure. | 2 weeks | |
Secondary | Effectiveness of the protective auditory reflexes (or acoustic reflexes), obtained by impedancemetry and derived from the reading of the otoemissions for each participant. | Measurement of the difference of the effectiveness of the protective auditory reflexes (or acoustic reflexes), obtained by impedancemetry and derived from the reading of the otoemissions for each participant. | 2 weeks |
Status | Clinical Trial | Phase | |
---|---|---|---|
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