| 11. | Winner is chosen via a sound level meter ( in a live match ) or voting ( online ).
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| 12. | Even the most accurate approved sound level meter must be regularly checked for sensitivity what most people loosely call'calibration '.
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| 13. | Sound level meters and dosimeters are two types of devices that are used to measure sound levels in the workplace.
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| 14. | The audio units each hold two back-up audiometers and sound level meters which are operated by qualified occupational health specialists.
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| 15. | After complaints from the public, in September 2006 the agency purchased fifteen sound level meters for distribution to its regional offices.
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| 16. | This is defined in IEC 61012 as AU weighting and while very desirable, is rarely fitted to commercial sound level meters.
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| 17. | Similarly, the American National Standards Institute ( ANSI ) specifies sound level meters as three different Types 0, 1 and 2.
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| 18. | Other sound level meters can be used to double check dosimeter measurements, or used when dosimeters cannot be worn by the employees.
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| 19. | :: : The above proposals to use a calibrated sound level meter to calibrate a home-brew combination of microphone and amplifier is flawed.
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| 20. | Until 2003 there were separate standards for exponential and linear integrating sound level meters, but since then IEC 61672 has described both types.
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