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  • BS 3549-2:1981

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Methods of measuring and expressing the performance of television receivers Electrical and acoustic measurements at audio-frequencies

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-12-1997

    Language(s):  English

    Published date:  31-07-1981

    Publisher:  British Standards Institution

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

    National foreword
    Cooperating organizations
    Chapter I: General
    1. Introduction
    Chapter II: General notes on measurements
    2. General conditions
    3. Audio-frequency input signal
    4. Audio-frequency output power
    Chapter III: Acoustic measurements
    5. Acoustic frequency response characteristic
    6. Acoustic polar diagram
    Chapter IV: Electrical response measurements
    7. Electrical audio-frequency response characteristic
    8. Electrical audio-frequency response characteristics
         of tone controls
    9. Electrical audio-frequency response characteristics
         of loudness controls
    10. Volume control characteristic
    Chaper V: Audio-frequency non-linearity distortion
    11. General
    12. Distortion in the presence of a single signal,
         harmonic distortion
    13. Distortion in the presence of two simultaneous
         signals (intermodulation)
    Chapter VI: Internally generated interference
    14. Signal-to-noise ratio due to picture signal cross-
         modulation
    15. Amplitude modulation suppression ratio
    16. Amplitude modulated sound reception signal-to-noise
         ratio due to picture signal interference
    17. Hum
    Chapter VII: Sensitivity
    18. Signal-to-noise ratio
    19. Noise limited sensitivity
    20. Gain limited sensitivity
    21. Deviation sensitivity
    22. Distortion-limited deviation sensitivity

    Abstract - (Show below) - (Hide below)

    Gives recommended methods of measurement for assessing the performance of the sound section of monochrome and colour television receivers.

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

    Committee EPL/100
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 61079-5:1995 Methods of measurement on receivers for satellite broadcast transmissions in the 12 GHz band Electrical measurements on decoder units for MAC/packet systems
    BS 7429:1991 Specification for television receivers and monitors for use in education and training
    BS 5942-12:1989 High fidelity audio equipment and systems; minimum performance requirements Specification for the sound output of television tuners
    BS 4054(1966) : 1966 METHODS FOR MEASURING AND EXPRESSING THE PERFORMANCE OF RADIO RECEIVERS - RECEIVERS FOR A.M. AND F.M. SOUND BROADCAST TRANSMISSIONS

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

    IEC 60107-1:1997 Methods of measurement on receivers for television broadcast transmissions - Part 1: General considerations - Measurements at radio and video frequencies
    ISO 266:1997 Acoustics — Preferred frequencies
    IEC 60268-14:1980 Sound system equipment. Part 14: Circular and ellipticalloudspeakers; outer frame diameters and mounting dimensions
    IEC 60107-4:1988+AMD1:1999 CSV Recommended methods of measurement on receivers for television broadcast transmissions - Part 4: Electrical measurements on multichannel sound television receivers using the two-carrier FM-system
    IEC 60268-5:2003+AMD1:2007 CSV Sound system equipment - Part 5: Loudspeakers
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