IEC 60569:1977
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Informative guide for subjective tests on television receivers
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
07-23-2013
English - French, Russian
01-01-1977
Specifies procedure for determining the image quality of television receivers by subjective viewing tests. Gives requirements for programmes, the test room and viewing conditions, number and qualification of panellists and the conditions in which they work.The viewing tests are carried out by comparison against a reference television receiver. The subjective evaluation based on this guide consists of the average judgements of several persons on a given subject. Has the status of a technical report.
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