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BS EN 62122:2002

Current
Current

The latest, up-to-date edition.

Methods of measurement for consumer-use digital VTRs. Electronic and mechanical performances
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-07-2002

1 Scope and object
2 Normative references
3 Terms and definitions
4 Measuring conditions
  4.1 General
  4.2 Environmental conditions
  4.3 Power supply
  4.4 Test signal
       4.4.1 Video test signal
       4.4.2 Colour bar signal
       4.4.3 Video input signal for measuring audio
             characteristics
  4.5 Measuring instruments
       4.5.1 Noise meter
       4.5.2 Audio signal generator
       4.5.3 Audio level meter
       4.5.4 Audio mixed frequency oscillator
       4.5.5 Audio harmonic distortion meter
  4.6 Video test tape
5 Methods of measurement for mechanical characteristics
  5.1 General
  5.2 Tape speed
       5.2.1 Test signal
       5.2.2 Measurement
       5.2.3 Presentation of the results
  5.3 Flatness of the RF envelope
       5.3.1 Test signal
       5.3.2 Block diagram
       5.3.3 Measurement
       5.3.4 Presentation of the result
  5.4 Linearity
       5.4.1 Test signal
       5.4.2 Measurement
       5.4.3 Presentation of the results
  5.5 Effective area starting position
       5.5.1 Test signal
       5.5.2 Measurement
       5.5.3 Presentation of the results
  5.6 Track displacement measurement by image processing
       5.6.1 Measurement system
       5.6.2 Image processing technique
       5.6.3 Measuring results
6 Video characteristics (analogue input/output)
  6.1 General
  6.2 Luminance amplitude frequency response
       6.2.1 Test signal
       6.2.2 Block diagram
       6.2.3 Measurement
       6.2.4 Presentation of results
  6.3 Chrominance amplitude frequency response
       6.3.1 Test signal
       6.3.2 Block diagram
       6.3.3 Measurement
       6.3.4 Presentation of results
  6.4 Luminance diagonal resolution
  6.5 Luminance frequency characteristics of diagonal
       resolution (i)
  6.6 Luminance frequency characteristics of diagonal
       resolution (ii)
  6.7 Luminance non-linear distortion
  6.8 Luminance waveform distortion (linear distortion)
  6.9 Chrominance waveform distortion
       6.9.1 Test signal
       6.9.2 Block diagram
       6.9.3 Measurement
       6.9.4 Presentation of results
  6.10 Luminance vertical waveform distortion
  6.11 Chrominance vertical waveform distortion
  6.13 Chrominance to luminance horizontal displacement
  6.14 Chrominance to luminance vertical displacement
  6.15 Luminance signal-to-noise ratio
       6.15.1 General
       6.15.2 Test signal
       6.15.3 Block diagram
       6.15.4 Measurement
       6.15.5 Presentation of the results
  6.16 Chrominance signal-to-noise ratio
       6.16.1 General
       6.16.2 Test signal
       6.16.3 Block diagram
       6.16.4 Measurement
       6.16.5 Presentation of the results
7 Composite signal decoding characteristics (luminance
  and chrominance separation)
  7.1 Luminance signal separation (general)
  7.2 Luminance signal separation at colour change points
  7.3 Chrominance signal separation
  7.4 Chrominance signal separation with three dimensional
       processing
       7.4.1 Test signal
       7.4.2 Block diagram
       7.4.3 Measurement
       7.4.4 Presentation of results
  7.5 Luminance signal separation with three dimensional
       signal processing
       7.5.1 Test signal
       7.5.2 Block diagram
       7.5.3 Measurement
       7.5.4 Presentation of results
8 Audio characteristics (analogue input/output)
  8.1 General
  8.2 Audio operational output voltage (with AGC)
       8.2.1 Test signal
       8.2.2 Block diagram
       8.2.3 Measurement
       8.2.4 Presentation of results
  8.3 Audio operational input voltage (without AGC)
       8.3.1 Test signal
       8.3.2 Block diagram
       8.3.3 Measurement
       8.3.4 Presentation of results
  8.4 Audio maximum output voltage
       8.4.1 Test signal
       8.4.2 Block diagram
       8.4.3 Measurement
       8.4.4 Presentation of results
  8.5 Amplitude frequency response
       8.5.1 Test signal
       8.5.2 Measurement
  8.6 Phase difference between channels
       8.6.1 Test signal
       8.6.2 Measurement
       8.6.3 Presentation of results
  8.7 Signal-to-noise ratio
  8.8 Dynamic range
       8.8.1 Test signal
       8.8.2 Measurement
       8.8.3 Presentation of results
  8.9 Harmonic distortion
  8.10 Inter-modulation distortion
       8.10.1 Test signal
       8.10.2 Measurement
       8.10.3 Presentation of result
  8.11 Channel separation
       8.11.1 Test signals
       8.11.2 Measurement
       8.11.3 Presentation of results
  8.12 Wow-flutter
  8.13 Pitch difference between record and playback
       8.13.1 Test signal
       8.13.2 Measurement
       8.13.3 Presentation of results
9 Classification of the characteristics to be specified
Annex A (informative) Error rate
      A.1 Definition
      A.2 Block diagram
      A.3 Measurement
      A.4 Presentation of the results
      A.5 Example 1
      A.6 Example 2
Annex ZA (normative) Normative reference to international
                     publications with their corresponding
                     European publications
Bibliography
Figures
Tables

Specifies the basic methods of measurement for evaluating the electronic and mechanical performances of consumer-use digital VTRs.

Specifies the basic methods of measurement for evaluating the electronic and mechanical performance of consumer-use digital VTRs. Enables checks of the interchangeability and characteristics of the equipment under test and enables evaluation of the quality of image and sound.

Committee
EPL/100
DevelopmentNote
Supersedes 00/202172 DC (07/2002)
DocumentType
Standard
Pages
52
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
I.S. EN 62122:2002 Identical
NF EN 62122 : 2004 Identical
EN 62122:2002 Identical
IEC 62122:2002 Identical
DIN EN 62122:2002-11 Identical
NBN EN 62122 : 2003 Identical

IEC 60883:1987 Measuring method for chrominance signal-to-random noise ratio for video tape recorders
EN 61041-5:1997 Non-broadcast video tape recorders - Methods of measurement - Part 5: High-band video tape recorders, including those equipped with Y/C video connectors (NTSC/PAL)
IEC 61041-1:1990 Non-broadcast video tape recorders. Methods of measurement - Part1: General, video (NTSC/PAL) and audio (longitudinal)characteristics
IEC 61041-5:1997 Non-broadcast video tape recorders - Methods of measurement - Part 5: High-band video tape recorders, including those equipped with Y/C video connectors (NTSC/PAL)
EN 60094-3:1996/A3:1996 MAGNETIC TAPE SOUND RECORDING AND REPRODUCING SYSTEMS - PART 3: METHODS OF MEASURING THE CHARACTERISTICS OF RECORDING AND REPRODUCING EQUIPMENT FOR SOUND ON MAGNETIC TAPE
EN 61041-1 : 1995 Non-broadcast video tape recorders - Methods of measurement - Part 1: General video (NTSC/PAL) and audio (longitudinal) characteristics
HD 527 : 200S1 MEASURING METHOD FOR CHROMINANCE SIGNAL-TO-RANDOM NOISE RATIO FOR VIDEO TAPE RECORDERS
IEC 60094-3:1979 Magnetic tape sound recording and reproducing systems - Part 3: Methods of measuring the characteristics of recording and reproducing equipment for sound on magnetic tape

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