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How Integrating ANSI Ambient Noise Monitoring Requirements into Audiometry Products Facilitates Clinically Valid Results

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1.  What can be added to ANSI MPANLs base levels (ears uncovered)? Noise-canceling values Transducer attenuation values Masking level values Interaural attenuation values

2.  How often do MPANLs need to be measured according to ANSI? At minimum once per testing day Once per testing week Once per testing month Once per testing year

3.  How often does a Class 2 microphone need to be re-calibrated? Every 3 months Every 6 months Every 12 months Every 24 months

4.  What is the starting default MPANL presentation level according to ANSI/ASA Standards? 0 dB HL 5 dB HL - 10 dB HL 10 dB HL

5.  What type of microphone should be used for ambient noise monitoring in order to be ANSI-compliant? Any external microphone A Class B microphone A microphone with a windscreen A Class 2 microphone