GB/T 14197-1993 Preferred matching values for the interconnection of sound system components

GB/T 14197-2012 Preferred matching values for the interconnections of audio,video and audiovisual systems

GB 5819.3 GB 9001 SJ/Z 9118.1(IEC 94-1) SJ/Z 9118.2(IEC 94-2) SJ/Z 9140.1(IEC 268-1) SJ/Z 9140.2(IEC 268-6) GB/T 2354-1993 General specification for analog audio disk players GB/T 6832-1986 Methods of measurement on headphones GB 8898-2001 Audio, video and similar electronic apparatus—Safety requirements GB 8898-2011 Audio,video and similar electronic apparatus—Safety requirements GB/T 9396-1996 Methods of measurement for main characteristics of loudspeakers GB/T 12060-1989 Sound system equipment explanation of general terms and calculation methods GB/T 12060.1-2017 Sound system equipment—Part 1:General GB/T 12060.2-2011 Sound system equipment—Part 2:Explanation of general terms and calculation methods GB/T 12060.3-2011 Sound system equipment—Part 3:Methods of measurement on audio amplifiers GB/T 12060.4-2012 Sound system equipment—Part 4:Methods of measurement for microphones GB/T 12060.5-2011 Sound system equipment—Part 5:Methods of measurement for main characteristics of loudspeakers GB/T 12060.7-2013 Sound system equipment—Part 7:Methods of measurement on headphones and earphones GB/T 12060.9-2011 Sound system equipment—Part 9:Methods of measurement for artificial reverberation,time delay and frequency shift equipment GB/T 12060.11-2012 Sound system equipment—Part 11:Application of connectors for the interconnection of sound system equipment GB/T 12060.13-2011 Sound system equipment—Part 13:Listening tests on loudspeakers GB/T 12060.16-2017 Sound system equipment—Part 16:Objective rating of speech intelligibility by speech transmission index GB/T 9401-1988 Methods of measurement for microphones GB/T 12060.21-2025 Sound system equipment—Part 21:Acoustical(output-based）measurements

IEC 268-15