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    BS EN 50849 - SOUND SYSTEMS FOR EMERGENCY PURPOSES

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1. Scope
    2. Normative references
    3. Definitions
    4. General system requirements
    5. System technical requirements
    6. Installation requirements
    7. System operation
    Annex A (informative) - Measurement of speech intelligibility
    Annex B (normative) - Intelligibility measurement methods
    Annex C (normative) - Attention-drawing audible signals
    Annex D (informative) - Bibliography

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee EPL/100
    Document Type Draft
    Publisher British Standards Institution
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 60065:2014/AC:2017-01 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS (IEC 60065:2014/COR2:2016)
    EN 54-16:2008 Fire detection and fire alarm systems - Part 16: Voice alarm control and indicating equipment
    EN 60068-1:2014 Environmental testing - Part 1: General and guidance
    ISO/TR 4870:1991 Acoustics The construction and calibration of speech intelligibility tests
    EN 60268-16:2011 SOUND SYSTEM EQUIPMENT - PART 16: OBJECTIVE RATING OF SPEECH INTELLIGIBILITY BY SPEECH TRANSMISSION INDEX
    EN 54-24:2008 Fire detection and fire alarm systems - Part 24: Components of voice alarm systems - Loudspeakers
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