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Relationship between Sound-Absorption Rate and Sound Level in a Room

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The Music Telegraph
Text 2020-02-26

 

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Relationship between Sound-Absorption Rate and Sound Level in a Room

(refer to this article)

 

 

Average Sound-Absorption Rate (α) Degree of Sound Reflections Examples
0.1 ~ 0.2

- Sound very reflective

- Can't hear in a remote place from the sound source 

Large-Size Church or Cathedral, 

Large-Size Indoor Gymnasium

0.2 ~ 0.25

- Sound reflective

- Suitable for listening to classical music 

Concert Hall
0.25 ~ 0.3

- Sound moderately reflective

- Easy to talk without recognizing sound reflections 

Multi-purpose Hall
0.3 ~ 0.35

- Sound slightly dry 

TV Studio
0.35 ~ 0.5

- Sound dry

- Slightly unnatural sound

Recording Studio
0.5 ~ 1.0

- Sound very dry

- Very unnatural sound

Semi-Anechoic Chamber, Anechoic Chamber

 

 

 

 

 

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