BS EN IEC 63296-2. Portable multimedia equipment – Determination of battery duration Part 2. Headphones and earphones with active noise cancelling functions
€23.00
BS EN IEC 60268-7. Sound system equipment Part 7. Headphones and earphones
Specification for measurement microphones. Primary method pressure calibration of laboratory standard microphones by the reciprocity technique
€316.00
Sound system equipment Methods for specifying and measuring the characteristics of loudspeakers
Sound system equipment Guide for listening tests on loudspeakers
€269.00
Sound system equipment Guide for circular and elliptical loudspeakers; outer frame diameters mounting dimensions
€165.00
Sound system equipment Methods for specifying and measuring the characteristics of microphones
Specification for audiovisual, video and television equipment systems connectors automatic slide projectors with built-in triacs audiovisual application
Method (precision) for free-field calibration of one-inch standard condenser microphones by the reciprocity technique
Specification for values for the difference between free-field and pressure sensitivity levels for one-inch standard condenser microphones
€95.00
Specification for cordless audio transmission devices using infra-red radiation
Fibre optic active components and devices. Reliability standards Laser modules used for telecommunication
€193.00
Sound system equipment Microphones
€374.00
Portable multimedia equipment - Determination of battery duration Part 3: Wearable powered loudspeaker
Sound system equipment. Headphones and earphones associated with portable audio Maximum sound pressure level measurement methodology limit considerations General method for "one package equipment"