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Normas BSI – AENOR
BS EN IEC 61938:2018

BS EN IEC 61938:2018

Multimedia systems. Guide to the recommended characteristics of analogue interfaces to achieve interoperability (GMT)

Fecha:
2018-04-13 /Definitive
Comité:
EPL/100
Equivalencias internacionales:

EN IEC 61938:2018

IEC 61938:2018

Relación con otras normas BSI:

Reemplaza a: BS EN 61938:2013

Resumen:
IEC 61938:2018 is available as IEC 61938:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 61938:2018 gives guidance on current practice for the characteristics of multimedia analogue interfaces to achieve interoperability between equipment from different manufacturers. It is not a performance standard. Recommendations for interfaces for equipment used in vehicles, and for analogue video interfaces for broadcast and similar equipment, are not given. Refer to IEC 60958 for the interconnection of digital signals. This third edition cancels and replaces the second edition published in 2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) electric tolerance is standardized;
b) recommended value of output source impedance is adjusted;
c) value of 6 Ohms is additionally recommended to impedance-defined loudspeaker systems;
d) values in each table are chosen with respect to the state of the art and representative of best practice in industry.
Keywords:
Signal level, Gramophone pick-ups, Marking, Electric power systems, Audio systems, Output impedance, Electric cables, Video tape recorders, Audio amplifiers, Rated voltage, Inductance, Ratings, Electrical tolerances, Electrical impedance, Amplifiers, Microphones, Video signals, Standardized parameters, Audiovisual materials, Interfaces, Analogue signals, Radio receivers, Control signals, Electric conductors, Electrical insulation, Headphones, Electrical resistance, Audio equipment, Voltage, Acoustic signals, Loudspeakers, Network parameters, Source impedance
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