Listening Tests: Turning Opinion into Fact
Listening tests of many kinds take place regularly in the audio industry. Most of them lack the necessary psychological and acoustical controls to produce results that are of real significance, yet the course of audio is regularly influenced by opinions of this sort. This paper reviews some familiar and some not so familiar sources of variability in subjective evaluation of sound quality and proposes a move to standardize certain basic technical factors currently being decided on arbitrary bases.
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