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BS 5817-17:1990
Specification for audiovisual, video and television equipment and systems, Methods for specifying and measuring the performance characteristics of audio-learning systems
20 стр.
Отменен
Печатное изданиеПечатная копия
196.56 £ (включая НДС 20%)
Разработчик:
Зарубежные/BSI
ICS:
33.160.30 Audio. Including tape recorders, records, magnetic tapes, cassettes, CDs, etc. / Аудиосистемы. Включая магнитофоны, пластинки, магнитные ленты, кассеты, компакт-диски и т.д.
Ключевые слова:
Tape recorders|Teaching aids|Teaching machines|Audio equipment|Rated frequencies|Educational equipment|Voltage|Marking|Signal-to-noise ratio|Language laboratories|Testing conditions|Electrical impedance|Frequency response|Performance|Signal distortion|Headphones|Attenuation|Microphones|Sensitivity|Sound intensity|Audio systems