問題一覧
1
Absorbed
2
Reflected
3
Transmitted
4
Diffracted
5
Focusing
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Creep
7
1
reflected
8
2
transmitted
9
3
absorbed
10
4
diffracted
11
1
near field
12
2
free field
13
3
reverberant field
14
?
useful reflector
15
1
echo zone
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2
7-10m
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Sound diffusion shape
horizontal flat
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Sound diffusion shape
inclined flat
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Sound diffusion shape
convex
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In room acoustics we are mainly concerned with three types of sound sources:
Human voice, Musical Instrument, Technical and other miscellaneous noise sources
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The actual design of music performance space is a very complex procedure involving extensive calculations of
absorption, reverberation time, ray diagramming, juggling materials, dimensions, and wall angles
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An auditorium is a room, usually large, designed to be occupied by an audience which includes any room intended for:
1.Listening to music including theaters 2.Churches 3.Classrooms 4.Meeting halls
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Hearing conditions in any auditorium are considerably affected by purely architectural considerations like:
1.Shape 2.Layout of boundary surfaces 3.Dimensions 4.Seating arrangements 5.Volume 6.Audience Capacity
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Types of absorbers
Porous absorber, panel absorber, resonator
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Main types of auditorium
For speech, for music, multi-purpose
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For speech
law court, lecture theatre, conference hall
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For music
concert hall, Music practice room
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Multi-purpose
town hall