Sound transmission rate - onkyo to karitsu

Japanese: 音響透過率 - おんきょうとうかりつ
Sound transmission rate - onkyo to karitsu


[Sound insulation design]
To make a building soundproof against noise from outside or from adjacent rooms, walls and other structures must have sufficient sound insulation. The ratio of transmitted sound energy to incident sound energy is called sound transmittance (τ), and the reciprocal of this ratio multiplied by 10 is called sound transmission loss (abbreviated as TL). TL = 10log 10 (1/τ) and the unit is dB. …

*Some of the terms that refer to "acoustic transmittance" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[遮音設計]
 建物外部の騒音や隣室の音に対しての防音構造とするためには,壁などに十分な遮音性能が要求される。入射音エネルギーに対する透過音エネルギーの割合を音響透過率(τ)といい,その逆数の常用対数を10倍した値を音響透過損失transmission loss(略称TL)と呼ぶ。TL=10log10(1/τ)で,単位はdBである。…

※「音響透過率」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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