Policy on Intellectual Property Right (IPR)
Annex 1
1 Introduction
2 Terminology
3 General practices
4 Experimental parameters
4.1 Controlled experimental variables
4.1.1 Systems under evaluation
4.1.2 Programme material
4.1.3 Assessors
4.1.4 Replication
4.1.5 Additional controlled experimental variables
4.1.6 Response variables
4.1.7 Overall subjective sound quality
4.1.8 Attribute ratings
5 Test protocol
5.1 Design of experiment
5.1.1 Treatment design
5.1.2 Stimulus allocation design
5.1.3 Sub-dividing large experiments
5.2 Test administration
5.2.1 Optional procedure
5.3 Assessor instructions
6 Test environment
6.1 Listening environment
6.2 Reproduction devices
6.3 Calibration
6.3.1 Reproduction system calibration
7 Statistical analysis
8 References
Attachment 1 to Annex 1 (informative) –
Excel tool to estimate the test duration of an experiment
Attachment 2 to Annex 1 (informative) – Example
of assessor instructions
A2.1 General instructions
A2.1.1 Global quality rating
A2.1.2 Descriptive Attributes