IEC 60268-4 PDF

UZ Узстандарт 4 Приказом Федерального агентства по техническому регулированию и метрологии от 30 сентября г. Часть 1. Общие положения , включая его технические поправки Amd , Amd В стандарт внесено следующее редакционное изменение: раздел 1 дополнен информационными сведениями о действующих международных стандартах, вошедших в серию стандартов IEC после его официального издания. Перевод с английского языка en.

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Full Description IEC specifies methods of measurement for the electrical impedance, sensitivity, directional response pattern, dynamic range and external influences of sound system microphones, and also details the characteristics to be specified by the manufacturer. It applies to sound system microphones for all applications for speech and music. It does not apply to measurement microphones, but it does apply to each audio channel of microphones having more than one channel, for example for stereo or similar use.

It is also applicable to flush-mounted microphones and to the analogue characteristics of microphones with digital audio output. For the purposes of this International Standard, a microphone includes all such devices as transformers, pre-amplifiers, or other elements that form an integral part of the microphone, up to the output terminals specified by the manufacturer.

The major characteristics of a microphone are considered in Clauses 6 to Additional characteristics are considered in Annex A and Annex C. IEC cancels and replaces the fifth edition published in This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous edition: a subclause

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ГОСТ IEC 60268-1-2014 Оборудование звуковых систем. Часть 1. Общие положения

The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC specifies methods of measurement for the electrical impedance, sensitivity, directional response pattern, dynamic range and external influences of sound system microphones, and also details the characteristics to be specified by the manufacturer. It applies to sound system microphones for all applications for speech and music. It does not apply to measurement microphones, but it does apply to each audio channel of microphones having more than one channel, for example for stereo or similar use. It is also applicable to flush-mounted microphones and to the analogue characteristics of microphones with digital audio output. For the purposes of this International Standard, a microphone includes all such devices as transformers, pre-amplifiers, or other elements that form an integral part of the microphone, up to the output terminals specified by the manufacturer. The major characteristics of a microphone are considered in Clauses 6 to

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