Delay tower / 延時塔 — theatre and live events glossary

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Delay tower 延時塔

audio

A loudspeaker position deep in a large audience area, fed the same mix delayed to match the arrival of sound from the main PA, so distant listeners get level without echo. The delay time is distance over the speed of sound: the maths in the speaker delay tool.

中文

大型場地觀眾區後方的補聲塔，訊號按與主 PA 的距離加延時，遠處觀眾有音量而無回聲。延時就是距離除以聲速。

Next to this

Front fill前區補聲Small loudspeakers along the stage edge covering the first rows, which sit under the main PA's coverage. Time…

Sources

Theatrecrafts glossary of technical theatre terms — Theatrecrafts / ABTT heritage primary

Understand the mechanism

Measuring and aligning sound Numbers that stand for signals

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