Seeing and Hearing Are Two Different Things

Seeing and hearing are two different things. A cross-section of an auditorium simultaneously marked with two types of analysis. One set of lines represents sightlines: drawn from the eyes of each row to the foremost edge of the stage, checking if the head of the row in front blocks the view; the other set represents sound paths: from the stage, reflected off side walls and ceiling to the seats. The two sets of geometries constrain each other, and the rising angle of the seats is a result of their compromise. Avoid: only drawing sightlines and ignoring acoustics, drawing the ceiling as a purely decorative shape, allowing the view of the back rows to be completely blocked by the front rows, drawing reflected paths as direct sound.

Translated from Chinese by AI.

一張同時標出兩種分析的觀眾席剖面。一組線是視線:從每一排的眼睛拉到舞台面的最前緣,檢查前一排的頭是否擋住;另一組是聲音路徑:從舞台經側牆與天花反射到座位。兩套幾何互相牽制,座位的升起角度是兩者妥協的結果。避免:只畫視線忽略聲學、把天花畫成單純的裝飾造型、讓後排的視線被前排完全遮住、把反射路徑畫成直達聲。