16.1. General Aspects
This section addresses some general aspects related to any listening test, including the criteria and procedure to select the test material and the test subjects, the definition of the laboratory setup, the specification of the test plan, and the procedures to train the subjects before the test.
16.1.1. Selection of Test Material
MPEG has gathered a large library of audio excerpts to be used for developing and testing its standards [M3598]. During the preparation of the verification tests, whenever the experts recognized a lack of suitable material, either in terms of the type of content or in terms of the level of criticality, they issued a call for new test material [N2168], specifying the desired characteristics. In this ...