Tiêu chuẩn quốc tế

Số hiệu

Standard Number

HD 549 S1:1989
Năm ban hành 1989

Publication date

Tình trạng A - Còn hiệu lực

Status

Tên tiếng Anh

Title in English

Conference systems - Electrical and audio requirementsIEC 60914:1988
Giá:

Price

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Phạm vi áp dụng

Scope of standard

Applies to conference systems and to parts of which they are composed or which are used as auxiliaries to such systems (headphones, microphones, amplification equipment). Describes the different types of conference systems with both wired and wireless systems, and specifies the basic electrical requirements of audio equipment for conference systems. Prescribes the minimum requirements for conference systems in order to ensure interchangeability and optimum performance under conditions of normal operation.