Annex 1
1 General
2 Experimental design
3 Selection of the listening panel
4 Test method
4.1 Grading scales
4.2 Test procedure
5 Attributes
5.1 Basic audio quality
5.2 Attributes specifying the quality of two-channel stereophonic and multichannel
sound in detail
5.2.1 Two-channel stereophonic image quality
5.2.2 Multichannel stereophonic image quality
5.3 Attributes specifying the relationships between sound and accompanying
picture
5.4 Main attributes for the absolute assessment of
sound quality in detail
5.5 Attributes specifying quality of digital transmitted/coded sound in
detail
6 Programme material
7 Reproduction devices
7.1 Tests which do not include the loudspeakers (or headphones) as part of
the system under test
7.1.1 Reference monitor loudspeaker
7.1.2 Reference monitor headphones
7.2 Tests which include the loudspeakers (or headphones) as part of the
system under test
8 Listening conditions
9 Statistical treatment of data
10 Presentation of results
10.1 General
10.2 Mean value
10.3 Significance level and confidence interval
11 Contents of test reports
Appendix 1 to Annex 1 Main attributes, sub-attributes and examples
of common descriptive terms for the absolute assessment of sound quality in
detail
Attributes category
Explanation
Attributes category
Explanation
Appendix 2 to Annex 1