みかけの音源の幅 (ASW) の予測手法 : II. 隣接する2個の1/3オクターブバンドノイズのバンドレベルが異なる場合

概要

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The authors have proposed a technical prediction model of auditory source width (ASW). In this model, ASW for any stimulus can be estimated by summing up the 1/3 octave band ASW multiplied by the weighting factor W. In the previous paper, the validity of the model was confirmed for the condition that the number of adjacent bands was two and each band had equal band levels. In this paper, the validity of the model is examined when the number of adjacent bands is two and each band has different band levels. The results of the psychological experiments show that the model is valid even when the level of each band is different. It is also shown that W depends on the combination of the band levels of the stimuli. Both W for the higher band and W for the lower band change monotonously with the level difference between the bands.
社団法人日本音響学会の論文