General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 31109-2014
Scope
This standard specifies the terms and definitions, evaluation principles, requirements, evaluation items and evaluation procedures for sound quality evaluation in the acoustic quality of musical instruments. This standard applies to the subjective evaluation of sound quality in the acoustic quality of musical instruments. This standard does not apply to the objective detection of physical quantities of the acoustic quality of musical instruments.
GB/T 31109-2014 Referenced Document
GB/T 2900.86-2009 Electrotechnical terminology-Acoustics and electroacoustics