Electroacoustics. Measurement microphones - Absolute pressure calibration of microphones at low frequencies using calculable pistonphones
Electroacoustics. Measurement microphones - Absolute pressure calibration of microphones at low frequencies using calculable pistonphones
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1 Scope
This part of IEC 61094
• is applicable to laboratory standard microphones meeting the requirements of IEC 61094‑1 and other types of measurement microphones,
• describes one possible absolute method for determining the complex pressure sensitivity, based on a device capable of generating a known sound pressure, especially at low frequencies, and
• provides a reproducible and accurate basis for the measurement of sound pressure at low frequencies.
All quantities are expressed in SI units.
Упомянутые в описании и другие стандарты PD