Filters for the measurement of audible sound in the presence of ultrasound
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StandardIEC standard
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IEC 61012:1990
Filters for the measurement of audible sound in the presence of ultrasound
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This standard specifies the electrical characteristics of a U-weighting filter mainly for use with sound level meters meeting the requirements of IEC 651 for the measurement of audible sound in the presence of ultrasound.
Filters for the measurement of audible sound in the presence of ultrasound
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