• NF EN 61606-1 : 2005

    Current The latest, up-to-date edition.

    AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENT METHODS OF AUDIO CHARACTERISTICS - PART 1: GENERAL

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    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

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

    1 Scope
    2 Normative references
    3 Terms, definitions, explanations and rated values
    4 Measuring conditions
       4.1 Environmental conditions
       4.2 Power supply
           4.2.1 Supply voltage
           4.2.2 Frequency(ies)
           4.3.3 High-frequency and harmonic components
                  (or ripples) in the power supply output
       4.3 Test signal frequencies
       4.4 Standard setting
           4.4.1 Standard input conditions for EUT
           4.4.2 Standard output conditions for the EUT
           4.4.3 Standard setting of controls input terminals,
                  and output terminals
       4.5 Preconditioning
       4.6 Measuring instruments
           4.6.1 Signal generator
           4.6.2 Filter
           4.6.3 Level meter
           4.6.4 Distortion meter
           4.6.5 Frequency meter
           4.6.6 Group delay meter
           4.6.7 Analogue spectrum analyser
           4.6.8 Digital waveform monitor
           4.6.9 Voltage amplifier
           4.6.10 Standard digital player
    5 Methods of measurement (digital-in/analogue-out)
       5.1 Input/Output characteristics
           5.1.1 Maximum output amplitude
           5.1.2 Gain difference between channels and tracking error
       5.2 Frequency characteristics
           5.2.1 Frequency response
           5.2.2 Group delay (phase linearity)
       5.3 Noise characteristics
           5.3.1 Signal-to-noise ratio (idle channel noise)
           5.3.2 Dynamic range
           5.3.3 Out-of-band noise ratio
           5.3.4 Channel separation
       5.4 Distortion characteristics
           5.4.1 Level non-linearity
           5.4.2 Distortion and noise
           5.4.3 Intermodulation
    6 Methods of measurement (analogue-in/digital-out)
       6.1 Input/output characteristics
           6.1.1 Analogue to digital level calibration
           6.1.2 Maximum allowable input amplitude
           6.1.3 Gain difference between channel and tracking error
       6.2 Frequency characteristics
           6.2.1 Frequency response
           6.2.2 Group delay
       6.3 Noise characteristics
           6.3.1 Signal-to-noise ratio (idle channel noise)
           6.3.2 Dynamic range
           6.3.3 Folded noise
           6.3.4 Cross-talk
           6.3.5 Channel separation
       6.4 Distortion characteristics
           6.4.1 Level non-linearity
           6.4.2 Distortion and noise
           6.4.3 Intermodulation
    Figures
    Tables
    Annex ZA (normative) Normative references to international
                         publications with their corresponding
                         European publications

    Abstract - (Show below) - (Hide below)

    Specifies the basic methods of measurement of the audio characteristics of the digital audio part of audio and audiovisual equipment for both consumer and professional use.

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

    Development Note Indice de classement: C97-210-1. PR NF EN 61606-1 September 2002. (10/2002) Supersedes NF EN 61606. (05/2005)
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Current
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