音質評価法の基本的考察

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To design a sound transmission system used mainly for the transmission of musical signals according to the specifications of the quality of reproduced sound required in the system, a consideration is given on the basic problems concerning the establishment of a comprehensive method for the evaluation of tone quality. From a standpoint that the main purpose of the transmissin of auditory information in this case, is the transmission of the emotional information, a discussion on the methodology of scaling the emotion arounsed by the sensation of reproduced sound has been made. As a result it was found that the variation of judgments of the listeners coming from the emotion evoked by listening to the reproduced sound can be reduced to the variation of the judgments on the preference or pleasantness of reproduced sound, and that it can be related stabely to the physical characteristics stabely of the transmission system by grouping the listeners according to the difference of their desire. Furthermore, as a clue of finding concrete methods of constructing a comprehensive system of evaluating tone quality, a model of the process of tone quality evaluation, in which the whole process is devided into two processes, the process of elementary sensation and that of emotion, is proposed. The former is an analytical process and rather invariant on person and on time, while the latter is a synthetic process and varies from person to person and time to time.
社団法人日本音響学会の論文
1965-07-30

音質評価法の基本的考察

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