GB/T 3451-1982
ActiveStandard tuning frequency
标准调音频率
Application Summary AI generated
This standard specifies a standard tuning frequency of 440 Hz for the musical note A4, ensuring consistent pitch reference across audio equipment and musical instruments. It is applied in the manufacturing, calibration, and testing of electronic audio devices, such as synthesizers, tuners, and sound systems, to guarantee uniform pitch in music production and telecommunications audio applications.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.