Download PDF by Yoichi Ando: Architectural Acoustics: Blending Sound Sources, Sound
By Yoichi Ando
Continuing from simple idea to layout experiences of live performance and a number of function halls, the writer introduces a impressive seat choice process for the research of latest and latest halls, and proposes a diagnostic process for checking out the actual homes and calculating the mental attributes at any seat after a corridor is equipped. The e-book additionally offers a concept of subjective personal tastes, in accordance with a version of the auditory cognitive approach within the mind. Readers can therefore stick with the temporal and spatial values which may be linked to the left and correct cerebral hemispheres in hearing tune and speech, respectively, in a room. From the result of calculating subjective choice at each one seat, for instance, architects, musicians, and acoustical engineers taken with the layout and use of live performance and multi-use halls may possibly confirm the simplest situation to accomplish a undeniable kind of song at the level, in addition to the simplest seats from which to pay attention.
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Additional resources for Architectural Acoustics: Blending Sound Sources, Sound Fields, and Listeners (AIP Series in Modern Acoustics and Signal Processing)
Preferred Delay Time of a Single Reflection The sound field consists of the direct sound ~o = 0°(170 = 0°) and a single reflection from a fixed direction ~1 = 36°(171 = 9°). These angles were selected since they are typical in a concert hall. The delay time ~tl was adjusted in the range of6 ms to 256 ms. 1). 1 (Ando, 1977; see also Kang and Ando, 1985). Obviously, the most preferred delay time, with the maximum score, differs greatly between the two motifs. When the amplitude of reflection A I = I, the most preferred delays are around 130 ms and 35 ms for motifs A and B, respectively.
5. The vibration on the malleus is transmitted to the incus and the stapes. 5. Contour lines of equal amplitude of human eardrum vibration at 525 Hz (121 dB SPL). Each value should be multiplied by 10- 5 em (Tonndorf and Khanna, 1972).
I(a ~. x o I:!. [ L1 t,J p Scale values of the subjective preference obtained forthe simulated sound field in an anechoic chamber. Different symbols indicate scale values obtained by different source signals (Ando, 1985). Even if different signals are used a consistency of scale values as a function of each factor is observed, fitting a single curve. (a) As a function of the listening level, LL. tdp. 8A. B. 4. Theory of Calculating Scale Values of Subjective Preference o 1 ""6'"'b c ... 8c, D. Scale values of the subjective preference obtained for the simulated sound field in the anechoic chamber.
Architectural Acoustics: Blending Sound Sources, Sound Fields, and Listeners (AIP Series in Modern Acoustics and Signal Processing) by Yoichi Ando