BS 6840-13:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Sound system equipment Guide for listening tests on loudspeakers
Hardcopy , PDF
15-06-1998
English
30-04-1987
National foreword
Committees responsible
1. General
1.1 Scope
1.2 Object
1.3 Explanation of terms
2. Physical conditions
2.1 Listening room
2.2 Loudspeaker position and orientation
2.3 Listener position
2.4 Programme materials
2.5 Level setting
2.6 Electrical requirements
3. Experimental procedure and evaluation
3.1 Listeners
3.2 Test duration
3.3 Rating scales
3.4 Choice of test procedure
3.5 Instruction and preliminary trials
3.6 Number of judgements
3.7 Statistical treatment of the data
3.8 Contents of test report
Appendix A - Instructions for listening tests
Appendix B - Comparison of test length
Appendix C - Statistical treatment of data from
listening tests
Figure 1
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