Méthode de mesures terrain de l'atténuation F-MIRE de protecteurs auditifs durant un quart de travail
Bibliographic record
Abstract
Nowadays, hearing protection devices (HPD) are widely used to protect workers against industrial noise, however, a question worth examining is: "Is the worker truly provided with, at all times, protection that is as effective as what the manufacturer is advertising, based on standardized testing?"It is a commonly known and well documented fact that compared to values obtained from various existing field studies laboratory-measured noise attenuation values overestimate the actual protection being provided to workers.Too few studies are available on this topic, and the issues concerning HPD field measurement are still far from being resolved.Even if several field measurement methods have been developed, none has succeeded in being recognized as a standard.Therefore, the need for a new field measurement method, one which could become a recognized reference, is as relevant as ever.This paper presents a new field measurement method developed to quantify the in-field attenuation HPDs provide to workers.This method is designed to take ongoing measurements during a complete work shift (8 hours) and enable the measurement of the actual attenuation being provided to the worker in his work environment, for different types and levels of industrial noise.The measurement method is based on the F-MIRE protocol using a miniature double microphone that allows for simultaneous measurement of the sound pressure inside the protector and the sound field surrounding the worker.The time signals recorded are then analyzed in order to determine the overall protection, and also, to assess performance over time.Results from preliminary measurements obtained from factory workers are presented in order to fully illustrate the range of analysis possibilities of this new field measurement method.s o m m a i r e L 'usage des protecteurs auditifs est rpandu comme moyen de protger les travailleurs en milieu bruyant, mais, une question quant leur usage mrite d 'tre pose : Est-ce que le travailleur bnficie en tout temps d 'une protection aussi efficace que celle annonce lors des mesures normalises?.Il est connu et accept que la certification des protecteurs auditifs, en comparaison avec les diffrentes tudes terrain disponibles, survalue l'attnuation relle obtenue par les travailleurs.Trop peu d 'tudes traitant de ce sujet sont disponibles et la problmatique des mesures terrain de l'attnuation, malgr ces donnes, reste entire ce jour.Mme si plusieurs mthodes de mesures ont t dveloppes, aucune n'a encore russi s'imposer pour devenir un standard reconnu et le besoin de dveloppement d 'une mthode de mesures terrain qui pourrait s'imposer comme rfrence en la matire est encore bien actuel.Cet article vise prsenter une nouvelle mthode de mesures terrain qui permet de quantifier l'attnuation relle que procurent les protecteurs auditifs en milieu industriel.Les mesures se font en continu sur un quart de travail (8 heures) et permettent de mesurer l 'attnuation en situation relle de travail, pour diffrents types de protecteur dans diffrents types de bruits industriels.Le systme utilise la mthode F-MIRE doublets microphoniques miniatures et permet ainsi la mesure simultane de la pression sonore l'intrieur du protecteur ainsi que le champ sonore dans lequel le travailleur se trouve, cela pour les 2 oreilles.Les signaux temporels enregistrs sont ensuite analyss afin de dterminer la protection globale, mais aussi l 'volution de la protection en fonction du temps.Des rsultats de mesures prliminaires ralises en usine sont prsents afin de permettre de bien visualiser toutes les possibilits d 'analyse que la nouvelle mthode de mesure offre.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.003 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".