Policy on Intellectual Property Right (IPR)
Annex 1
1 General
2 References
3 Experimental design
4 Selection of the listening panel
5 Test method
5.1 Grading scales
5.2 Test procedure
5.2.1 Paired comparisons
5.2.2 Multiple comparisons
6 Attributes
6.1 Basic audio quality
6.2 Attributes specifying the quality of two-channel stereophonic
and multichannel sound in detail
6.2.1 Two-channel stereophonic sound system
6.2.2 Multichannel stereophonic sound system
6.2.3 Advanced sound system
6.3 Attributes specifying the relationships between sound and
accompanying picture
6.4 Main attributes for the absolute assessment of sound quality in
detail
6.5 Attributes specifying quality of digital transmitted/coded
sound in detail
6.6 More general attributes for sound quality in detail
7 Programme material
8 Reproduction devices
8.1 Tests which do not include the loudspeakers (or headphones) as
part of the system under test
8.1.1 Reference monitor loudspeaker
8.1.2 Reference monitor headphones
8.2 Tests which include the loudspeakers (or headphones) as part of
the system under test
9 Listening conditions
10 Statistical treatment of data
11 Presentation of results
11.1 General
11.2 Mean value
11.3 Significance level and confidence interval
12 Contents of test reports
Attachment 1 to Annex 1 (informative) Main attributes, sub-attributes and
examples of common descriptive terms for the absolute assessment of sound
quality in detail
Attachment 2 to Annex 1 (informative)