I.S. EN 61120-4:1993
Current
The latest, up-to-date edition.
DIGITAL AUDIO TAPE RECORDER REEL-TO-REEL SYSTEM, USING 6,3 MM MAGNETIC TAPE, FOR PROFESSIONAL USE - PART 4: MAGNETIC TAPE PROPERTIES: DEFINITIONS AND METHODS OF MEASUREMENT
Hardcopy , PDF
English
01-01-1993
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Flux transitions
3.2 Physical recording density
3.3 Test density
3.4 Recording current wave form
3.5 Recording current peak-to-peak value
3.6 Recommended recording current
3.7 Reference recording current
3.8 Test recording current
3.9 Average signal level
3.10 Standard reference level
4 Technical requirements and test conditions
4.1 Standard atmospheric conditions
4.2 Mechanical characteristics of test equipment
4.3 Electrical characteristics of test equipment
4.4 Reference tapes
4.5 Condition of the tape to be tested
5 Electrical parameters to be measured
5.1 Resolution
5.2 Overwrite characteristic
5.3 Drop-outs
5.4 Relative average signal level to noise ratio
5.5 Characteristics of the sub-tracks in case of bias-recording
6 Recommended parameters to be described in published data for
professional digital audio tapes
7 Mechanical parameters to be measured
Annex A - Name and address of the manufacturer of primary standard
IEC reference tapes
Annex ZA (normative) Other International Publications quoted in
this standard with the references of the
relevant European Publications
Figures
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