両耳聴信号処理モデルに基づいた音場の可聴化方法に関する二,三の発展的考察

概要

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The authors have indicated the possibility of auralization for a sound field consisting of only discrete reflections based on the running interaural cross-correlation (RCC) model, which is regarded as one of the mechanisms in binaural signal processing. In this paper, further experiments were performed to apply the RCC method to the auralization of a sound field which includes non-discrete reflections of 2 s long, such as a concert hall. The results show that the sound image perceived in the simulated sound field by the RCC method using 10 ms long temporal window with the inner ear mechanism is indistinguishable from the perceived one in the original sound field which is used in this paper. Moreover, all reflections of the impulse response must be reproduced for an auralization of a sound field which includes non-discrete (reverberant) reflections, though all reflections are not necessarily reproduced for the sound field which consists of only discrete reflections.
社団法人日本音響学会の論文