The purpose of this article is to highlight challenges in HiFi testing. Many a time the time involved in switching the equipment is too high. This cannot be used reliable to test subtle differences between two equipments because our auditory retention is poor. Also our auditory recognition memory is inferior to our visual recognition memory. Then there are other issues like reliablity and consistency of hearing. Read this article on how to address these challenges
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Challanges in HiFi Testing - Article at Audio Nostalgia
Comprehensive article describing common challenges in HiFi equipment testing and description of potential solutions to overcome them.
