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How to Perform Masking in Audiology - eMoyo
https://blog.emoyo.tech/content/masking-in-audiology
A common issue with masking in audiometric testing is locating the masking plateau. This is called the masking dilemma and it occurs when there is moderate to severe bilateral conductive hearing loss. In this case, masking noise intensity presented in the non-test ear crosses over to the test ear and elevates the thresholds.
Audiometry: Masking - SAGE Journals
https://journals.sagepub.com/doi/pdf/10.1177/014556130608501009
Audiometers are calibrated so that a 10-dB masking noise will blocka 10-dB pure-tone signal. Maskingofthe nontest ear is achieved by using "effective masking" (i.e., 40 dB greater than the nontest-ear threshold) and/or by reaching a plateau of15 dB (in 5-dB increments), during which the test ear hears the pure tone at the same level.
Clinical masking: applicability of plateau and optimized ...
https://pubmed.ncbi.nlm.nih.gov/20098953/
Clinical masking: applicability of plateau and optimized methods in hearing thresholds testing The plateau method can be used for all patterns and the optimized method is the most effective for unilateral and bilateral patterns.
mBook - AudSim
http://www.audsim.com/mbook/c5.html
Quick Reference – AC Plateau Masking Steps Recognize the need for masking. Set the initial masking level at 10 dB above the non-test ear threshold. Re-obtain threshold. Increase the masking in 5 dB steps, obtaining threshold each time (or ensuring that threshold did not change).
Audiometric masking - SlideShare
https://www.slideshare.net/bethfernandezaud/audiometric-masking
the plateau method always start with the noise 10 db above the ac threshold of the nte with noise in the nte, present the tone in the test ear at threshold level if the patient hears the tone, increase the masking noise in the nte by 5 db if the patient does not hear the tone, increase the tone in the te until the patient responds after the …
PURPOSE - cshbc.ca
http://cshbc.ca/wp-content/uploads/2019/03/CSHBC-PROT-QA-03-Clinical-Masking-for-Audiometric-Testing-in-Adults.pdf
5. Continue this procedure until a plateau is observed – that is, when three consecutive 5-dB increases in masking are given without an observed shift in the response (threshold) of the Test Ear; 6. Record the masked threshold and the final level of masking used on the audiogram.
Masking Rules for Hearing Care Professionals
https://hearinghealthmatters.org/hearinginternational/2020/masking-rules-for-hearing-care-professionals/
One is when it is accompanied by another sound which obliterates or masks it; the other is when it is preceded by a sound which leaves the organism unresponsive or fatigued.” Previous and subsequent researchers spent substantial laboratory time explaining this concept to those that performed audiological assessments each day.
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