Sound Field Audiometry Calibration

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Audiometric Test Booth Certification Form

https://phc.amedd.army.mil/PHC%20Resource%20Library/AudiometricTestBoothCertification.pdf#:~:text=Record%20the%20sound%20pressure%20level%20at%20125%20Hertz,post-measurement%20field%20calibrations%20of%20the%20sound%20level%20meter.

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Sound Field Measurement Tutorial

https://www.asha.org/policy/RP1991-00025/

Ideally, sound field calibration should not be dependent on any particular earphone standard; data reported in the future should be based on the independent measurement of threshold levels in the sound field without …

Appendix F: Sound Field Calibration Instructions

http://www.frye.com/wp/wp-content/uploads/2013/08/fa10calibration.pdf

1. Place the sound level meter three feet away from the tested speaker. 2. Make sure that Pulse is off. 3. Press the Warble button to turn on warble. 4. Set the Output switch to Speaker. 5. Set the Hearing Level switch to 70 dB. 6. Choose the ﬁrst frequency to be calibrated 7. Press and hold the Stimulus switch down to present the sound.

Sound field measurement tutorial. Working Group on …

https://pubmed.ncbi.nlm.nih.gov/1672069/

An FM signal is best for assessing threshold of hearing. The examiner should measure the SPL and verify the spectral characteristics of the signal. The frequency of calibration measurements should be identical to that used for earphones, generally once every 3 months.

Research on calibration method for sound field audiometric ...

http://apmpweb.org/fms/get_file.php?index=NDA0OA==

Lf= L80–80 + LFRTSPL –K. If the “80 dB” is the value. of sound pressure level. LFRTSPL is defined in ISO 389-7. L80is get from microphone using 1/3 octave analyzer. The average time is longer than 10 s. Warble tone signal withintervals. 1000Hz …

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