CONTENTS

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)