IEC 60268-5 AMD 2 Sound-system equipment - Part 5: Loudspeakers; Amendment 2
IEC 60268-7 Sound system equipment - Part 7: Headphones and earphones
IEC/TR3 60268-13 Sound system equipment - Part 13: Listening tests on loudspeakers
IEC 60268-14 Sound system equipment. Part 14 : Circular and elliptical loudspeakers; outer frame
diameters and mounting dimensions
IEC 60327 Precision method for pressure calibration of one-inch standard condenser microphones by the reciprocity technique
IEC 60581-5 High fidelity audio equipment and systems; Minimum performance requirements. Part 5 : Microphones
IEC 60581-7 High fidelity audio equipment and systems; Minimum performance requirements. Part 7 : Loudspeakers
IEC 60581-10 High fidelity audio equipment and systems; Minimum performance requirements. Part 10 : Headphones
CCITT G SUP 25 III.1 Guidelines for placements of microphones and loudspeakers in telephone conference rooms
ITU-T T.120 Data protocols for multimedia conferencing
EIAJ CP-2903-1992 Classification and measuring method for low magnetic leakage flux loudspeaker systems
EIAJ RC-8124-1995 Loudspeaker systems
EIAJ RC-8125-1999 Piezoelectric loudspeakers
EIAJ RC-8140-1998 Headphones and earphones
EIAJ RC-8160-1988 Microphones
EIAJ RC-8162A-1996 Power supply feeding for microphones
EIAJ RC-8163-1996 Test methods of microphone or earphone cord
EIAJ RC-8180A-1994 Sounders and buzzers
EIAJ RCX-8101-1995 Electrodynamic loudspeakers
EIAJ RCX-8102-1996 Headphones for Hi-Fi listening
JIS C 5502-1991 Microphones
JIS C 5504-1992 Horn type loudspeakers
JIS C 5512-1986 Hearing aids
JIS C 5515-1981 Standard condenser microphones
JIS C 5532-1994 Loudspeakers for sound system equipment
JIS C 6020-1995 General rules and testing methods for intercommunication equipments
请提供一些国家标准的电子文档，包括包装，印刷，表面处理，磁性材料等
这些要去标准局查阅或购买！大一点的单位原来都有订的。