GB/T 33723-2017
ActiveGrade requirements of subjective evaluator for the acoustic quality of musical instrument
乐器声学品质主观评价人员等级规范
Application Summary AI generated
This standard defines the classification and qualification requirements for individuals who subjectively evaluate the acoustic quality of musical instruments. It is applied in the musical instrument manufacturing industry, particularly during product development, quality inspection, and final tuning processes where human hearing is used to assess timbre, balance, and overall sound character. The standard ensures that evaluators meet consistent competency levels, supporting reliable subjective testing for both domestic and export markets.
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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.