The audible threshold of TIM was determined for six most sensitive subjects of the previously reported test series of 68 listeners. Improved equipment, carefully controlled listening environment, a digital TIM generator, and five stereophonic music samples were used. The results show that in certain passages of music, 0.003% of distortion is clearly audible. Low distortion values were perceived only as changes in the sound character, and not as distortion.

Authors: Petri-Larmi, Margit; Otala, Matti; Lammasniemi, Jorma
Affiliations: University of Oulu, Oulu, Finland ; Technical Research Centre of Finland, Oulu, Finland(See document for exact affiliation information.)
AES Convention: 61 (November 1978) Paper Number: 1392
Publication Date: November 1, 1978

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