Sound system equipment - Part 4: Microphones (IEC 60268-4:2018); German version EN IEC 60268-4:2018
音响系统设备.第4部分:麦克风（IEC 60268-4-2018）；德文版EN IEC 60268-4:2018

2019-08-01

Sound system equipment - Part 21: Acoustical (output-based) measurements (IEC 60268-21:2018); German version EN IEC 60268-21:2018
音响系统设备.第21部分:声学（基于输出的）测量（IEC 60268-21-2018）；德文版EN IEC 60268-21:2018

2019-11-01

Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for cable networks (TA 5) (IEC 60728-3:2017); German version EN IEC 60728-3:2018
电视信号、声音信号和交互服务用电缆网络.第3部分:电缆网络用有源宽带设备（TA 5）（IEC 60728-3-2017）；德国版本EN IEC 60728-3:2018

2018-08-01

Household high-fidelity audio equipment and systems - Methods of measuring and specifying the performance - Part 3: Amplifiers (IEC 61305-3:1995); German version EN 61305-3:1995
家用高保真音频设备和系统.性能的测量和规定方法.第3部分:放大器（IEC 61305-3-1995）；德文版EN 61305-3:1995

1996-02-01

Methods of measurement for equipment used in digital microwave transmission systems - Part 3: Measurements on satellite earth stations; section 6: High-power amplifiers (IEC 60835-3-6:1996); German version EN 60835-3-6:1996
数字微波传输系统所用设备的测量方法.第3部分:卫星地面站的测量；第6节:高功率放大器（IEC 60835-3-6-1996）；德文版EN 60835-3-6:1996

1997-03-01

Magnetic tape sound recording and reproducing system - Part 3: Methods of measuring the characteristics of recording and reproducing equipment for sound on magnetic tape (IEC 60094-3:1979 + A1:1980 + A2:1988 + A3:1996); German version EN 60094-3:1996 + A3:1996
磁带录音和放音系统.第3部分:磁带录音和放音设备特性的测量方法（IEC 60094-3-1979+A1:1980+A2:1988+A3:1996）；德文版EN 60094-3:1996+A3:1996

1997-05-01