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| BS 5677:1979* IEC 60327:1971 | Method (precision) for pressure calibration of one-inch standard condenser microphones by the reciprocity technique |
| BS 5679:1979* IEC 60486:1974 | Method (precision) for free-field calibration of one-inch standard condenser microphones by the reciprocity technique |
| BS 5817-18:1989* IEC 60574-18:1987 | Specification for audiovisual, video and television equipment and systems. Specification for connectors for automatic slide projectors with built-in triacs for audiovisual application |
| BS 5941:1980* IEC 60655:1979 | Specification for values for the difference between free-field and pressure sensitivity levels for one-inch standard condenser microphones |
| BS 5942-5:1983* IEC 60581-5:1981 | High fidelity audio equipment and systems; minimum performance requirements. Specification for microphones |
| BS 5942-7:1987* IEC 60581-7:1981 | High fidelity audio equipment and systems; minimum performance requirements. Specification for loudspeakers |
| BS 6353:1983 | Specification for underground loudspeaker communication systems in coal mines |
| BS 6418:1983* IEC 60764:1983 | Specification for cordless audio transmission devices using infra-red radiation |
| BS 6840-13:1998* IEC 60268-13:1998 | Sound system equipment. Listening tests on loudspeakers |
| BS 6840-14:1987* IEC 60268-14:1980 | Sound system equipment. Guide for circular and elliptical loudspeakers; outer frame diameters and mounting dimensions |
| BS 6840-4:1997* IEC 60268-4:1997 | Sound system equipment. Microphones |
| BS 6840:Part 13:1987* IEC 60268-13:1985 | Sound system equipment. Guide for listening tests on loudspeakers |
| BS 6840:Part 4:1987* IEC 60268-4:1972 | Sound system equipment. Methods for specifying and measuring the characteristics of microphones |
| BS 6840:Part 5:1990* IEC 60268-5:1989 | Sound system equipment. Methods for specifying and measuring the characteristics of loudspeakers |
| BS 7693:1993* IEC 61147:1993 | Guide to uses of infra-red transmission and the prevention or control of interference between systems |
| BS 7947:1997* IEC 61602:1996 | Connectors used in the field of audio, video and audiovisual engineering |
| BS EN 50332-1:2000 | Sound system equipment. Headphones and earphones associated with portable audio equipment. Maximum sound pressure level measurement methodology and limit considerations. General method for ""one package equipment"" |
| BS EN 50332-2:2003 | Sound system equipment. Headphones and earphones associated with portable audio equipment. Maximum sound pressure level measurement methodology and limit considerations. Matching of sets with headphones if either or both are offered separately |
| BS EN 60268-4:2004 | Sound system equipment. Microphones |
| BS EN 60268-5:1997 | Sound system equipment. Loudspeakers |
| BS EN 60268-5:2003 | Sound system equipment. Loudspeakers |
| BS EN 60268-7:1996* BS 6840-7:1996* IEC 60268-7:1996 | Sound system equipment. Headphones and earphones |
| BS EN 61094-1:1995* IEC 61094-1:1992 | Specification for measurement microphones. Specifications for laboratory standard microphones |
| BS EN 61094-1:2001* IEC 61094-1:2000 | Specification for measurement microphones. Specifications for laboratory standard microphones |
| BS EN 61094-2:1994* IEC 61094-2:1992 | Specification for measurement microphones. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique |
| BS EN 61094-3:1996* IEC 61094-3:1995 | Specification for measurement microphones. Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique |
| BS EN 61094-4:1996* IEC 61094-4:1995 | Specification for measurement microphones. Specifications for working standard microphones |
| BS EN 61094-5:2002* IEC 61094-5:2001 | Measurement microphones. Methods for pressure calibration of working standard microphones by comparison |
| BS EN 61305-5:2003 | Household high-fidelity audio equipment and systems. Methods of measuring and specifying the performance. Loudspeakers |
| BS EN 61842:2002 | Microphones and earphones for speech communications |
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