Lecture I lhrieusttes ) Lecture 4 Ar tificial lighting]
→ Principles Of Sound Vision
Sound Transmission Sound Proof Materials → being able to s e e
Sound + Noise
sound
quality of
/
→ of
→ Quilted cur tain Presence light
within building → Airborne
↳ affects users in
Acoustic Screens
\ → Modular
amount of noise
-
propagation through air
→ Acoustical Pipe Light
radiates from sound source
Panel small portion of
-
Perforated Wall →
electromagnetic
sounds → waves
through air directly into ears
→ travels
→ Acoustic ceiling tiles through
→ form of
air , water , glass , vacuum .
energy causes
auditory sensation
- if energy strong , produce sound Acoustic Panels
→ → slower in denser
produced by transmitted through mediums
.
→ vibrations ,
on next room -
→
n Tiles
Lgas , liquid ,
solid )
fast ] Physics Of Light
(slow
⑧
Mod → Sail Cloth
E
, ,
• → →
transmitted wavelength nm craniometer)
sound through caused by pressure variations , Ear → =
→ air air source → Baffles
wall
perceived by ear
through vibrations at eardrum .
→ shortest -
violet 2380 nm )
Noise control
red ( 780hm)
-
use massive structures which absorb →
Longest -
Noise the energy before it produce sound Lecture 3
line
→ travels straight
→ undesired sound Eg :
from
→ direction can be changed
→ wrong moment / Place - sound next room
noise from vehicles Architectural Acoustics
-
passing .
→ Good speech intelligibility
Reflection
Sound Measurements
→ stuctuoebo.me Sound → Enhance music
quality bounce off
↳ Audiometer → light waves
retreating sur face + change direction
-
solid structures
→ suppress noise mirror
hearing → pool
-
acuity -
impact on solid material
,
Audiology
-
centers contact
direct mechanical Retraction
-
principles [good design ]
Audiogram → Trams
Eg :
→ from occupants one medium to another , change direction Cbending )
reasonable aceeugtyeaf gain
-
chart / table records subject 's
-
footsteps → Change of
speed tight
hearing threshold wave
in
level
→ low ambient noise level from in
by external
(
varying frequency / intensities)
door knocks sources minimal materials
w/ than air
'
-
→ water slower
→ adequate evenly distributed • reach all
parts of room .
avoid acoustical Diffraction
Human Hearing D defects .
out waves to 7 colours of spectrum
2000011£ → RT → spread light
→ Healthy : sites -
appropriate
sound Properties → Prism , water droplets
→ Middle : 7011£ - 1400hL 2-
↳ factors :
↳ Frequency
→ Piano : 31.511 2- -
8000M£ -
male + female
Periodic quantity of repetitive sound wave slow / fast
Artificidl↳ghting_
-
→
Human hearing :
400011£ -
language
µ
vocal / instrumental
of cycles / second B components
-
↳ mum complete → r & ↳ +
- hard rock / waltz
Acoustic C Colour / Tone 2 Shaded
complete
→
f Phrases masked lose
→ Hue
Noise Soured RT too long , syllables + , quality -
wheel
around
-
cycle → Hz
-
→ transportation - RT too shor t lose character , reduce quality
-
,
→ Value C Brightness 1 Darkness )
µ µ →
→
building
construction
Auditorium _
vertically 0 -
10 White)
how pitch
high pitch → listening place , from open air theatres .
industrial
/ intensity )
→
→ chroma ( saturation
→ consumer products
↳ wavelength → Types :
-
horizontally (0-10/18)
Hall
}
- Conference
distance between star t + end
Lecture Theatre speech
Hearing Loss
-
↳ distance between 2 peaks yo u r pomp .
- Law Cour t
- green
→
length I complete sound wave code → Effects ↳ Cool
_
→ ✗ Concer t Hall - healthcare purple blue
}
-
Difficulty
, Af
-
communication
music
practice room technology
-
→ meter -
music
-
Loneliness -
financial
→ ✗ =
¥ -
Depression school assembly hall #
yellow
}
◦
-
warm range
→
mum - ed
.
→ distance Purpose
_ town hall -
retail
fast food
I energy
f-
-
→
↑ wavelength ,
_ *
→
Warning signs condition
- industrial
talk
Factors hearing
- troubles hearing people
- Shape
↳ Amplitude
-
mumbling -
dimension → Candle = 1900K
↳↑ power , tamp .
- volume → Blue sky : 20000K
→ distance between mid § top / bottom
→ Tinnitus -
boundary sur face
→ &
seating arrangements C correlated colour temp )
( buzzing] → cos
-
-
constant ringing
→ meter - audience capacity _ warmth 1 coolness
→ loudness
of Loss Path Diff Reflected -
Direct → CRI C Colour Rendering Index)
causes Hearing Sound =
"
to
"
-
ability look natural
-
loud noise
sound wave
-
drugs
Types of lighting
ra aging
-
-
hereditary
Daylighting
- Sun Artifieialhighton.ge light
w¥ugh
Electric
- Natural light
- View + connection
-
supplementary to daylight
NHL Induced
worse
Hearing to outdoor
sound Level
Health
-
common work + leisure related illness _
_ + psych .
→ 120dB Painful - music benefrits
→ 10dB Barely Audible Auditorium Shapes _
small speech
→ 50dB Moderate
Primitive sources
Stone lamp
↳ Candle
Lecture 2 ↳
Sound Intensity Level CI)
lamp Torch
↳ Oil
→ watts per unit Area → Noise control Hand-held lantern
Gas lamp
→ source Power Cho ) = transmitted energy source
→ sky lantern
- ↳ campfire
I =
÷ b tur n down sound
listener 's location
Modern sources of
/ D- L
-
w/m2 wcm2
.
→ common measurement @ listener position ↳ walk away
Lamp
↳ Incandescent
( involves distance sound source listener )
✓
-
-
along path -
Halogen
- not suitable music
30° 60°
exposure
- -
limit
±=%÷i÷
→
greater sitting Emitting Diodes CLED]
↳ Light
_
capacity
Area ↳ Luminiscent Gaseous Discharge Lamp
,
-
high pressure -
high pressure
→ W transmitted
→ Within Built Environment / sodium
distance twice
music / \
far from source spread over - metal halide vapour
as
, mercury
Planning → Isolation _ strongest
4 times the area ,
# I ) - lateral reflection - low pressure - fluorescent
→ Procedure / \ low pressure
↳ ar we , Ar
,
Kr , Sodium UPS]
→ Maintenance ✗ e , He , CO2 .
→ Operation hour
Reverberation Time
consumption chrghest efficiency]
* LED saves ↳ 0%
nearly energy
Ear th
→ sit C IT , RT ↑) ✓ Berms
Construction Method → Screening _
→ Absorbent sur face [ ↑ absorbent, ↓ RT) roamers
( wait General Function
→ sunlight
→ Acoustical materials
Materials → Insulation living things properly
-
function
↳ Room volume → porous Panel
, → AL
Sizes
→
Long sound Path (↑ ↑ RT ) / ) Auditorium deco
room size
y
-
,
-
ambiance
Cover small near wall
Absorb
-
Block
→
f street
-
CWindow)
sur face
wall ) Large Side By Ceiling pavement
-
-
✓/A 0.1608 ↳ reduce size sports amenity
-
→ RT = ✗ -
* mass ,
+ air ads
space , closet seal -
↳
Room modes ~ length
wide space -
surgical task
between studs .
D increase thicken .
~
width
- -
light tunnel
height
( ceiling)
/
-
back lane light
reverberation Echo
-
suspended Large better acoustic than small -
-
signal light
ceiling spotlight
prolonged /
-
-
-
2 distinct
[Floor] 1.28 : -54
copies / pulse
'
ratio I I
i Ideal = =
"""" "ⁿᵈ
" "" " "" " " "
of original sound CG inch )
-
large mum of stab
floating floor
distinguished
-
waves can be
reflected Auditorium Materials
and heard as twice CD @cord
gasketeddoor _ Sound Absorption
reflected sounds
-
-
stops
heavier
- sound Retretor
distinctly from
solid
-
heard
Reflective ceiling
core
-
original sound -
Diffusers
→ Principles Of Sound Vision
Sound Transmission Sound Proof Materials → being able to s e e
Sound + Noise
sound
quality of
/
→ of
→ Quilted cur tain Presence light
within building → Airborne
↳ affects users in
Acoustic Screens
\ → Modular
amount of noise
-
propagation through air
→ Acoustical Pipe Light
radiates from sound source
Panel small portion of
-
Perforated Wall →
electromagnetic
sounds → waves
through air directly into ears
→ travels
→ Acoustic ceiling tiles through
→ form of
air , water , glass , vacuum .
energy causes
auditory sensation
- if energy strong , produce sound Acoustic Panels
→ → slower in denser
produced by transmitted through mediums
.
→ vibrations ,
on next room -
→
n Tiles
Lgas , liquid ,
solid )
fast ] Physics Of Light
(slow
⑧
Mod → Sail Cloth
E
, ,
• → →
transmitted wavelength nm craniometer)
sound through caused by pressure variations , Ear → =
→ air air source → Baffles
wall
perceived by ear
through vibrations at eardrum .
→ shortest -
violet 2380 nm )
Noise control
red ( 780hm)
-
use massive structures which absorb →
Longest -
Noise the energy before it produce sound Lecture 3
line
→ travels straight
→ undesired sound Eg :
from
→ direction can be changed
→ wrong moment / Place - sound next room
noise from vehicles Architectural Acoustics
-
passing .
→ Good speech intelligibility
Reflection
Sound Measurements
→ stuctuoebo.me Sound → Enhance music
quality bounce off
↳ Audiometer → light waves
retreating sur face + change direction
-
solid structures
→ suppress noise mirror
hearing → pool
-
acuity -
impact on solid material
,
Audiology
-
centers contact
direct mechanical Retraction
-
principles [good design ]
Audiogram → Trams
Eg :
→ from occupants one medium to another , change direction Cbending )
reasonable aceeugtyeaf gain
-
chart / table records subject 's
-
footsteps → Change of
speed tight
hearing threshold wave
in
level
→ low ambient noise level from in
by external
(
varying frequency / intensities)
door knocks sources minimal materials
w/ than air
'
-
→ water slower
→ adequate evenly distributed • reach all
parts of room .
avoid acoustical Diffraction
Human Hearing D defects .
out waves to 7 colours of spectrum
2000011£ → RT → spread light
→ Healthy : sites -
appropriate
sound Properties → Prism , water droplets
→ Middle : 7011£ - 1400hL 2-
↳ factors :
↳ Frequency
→ Piano : 31.511 2- -
8000M£ -
male + female
Periodic quantity of repetitive sound wave slow / fast
Artificidl↳ghting_
-
→
Human hearing :
400011£ -
language
µ
vocal / instrumental
of cycles / second B components
-
↳ mum complete → r & ↳ +
- hard rock / waltz
Acoustic C Colour / Tone 2 Shaded
complete
→
f Phrases masked lose
→ Hue
Noise Soured RT too long , syllables + , quality -
wheel
around
-
cycle → Hz
-
→ transportation - RT too shor t lose character , reduce quality
-
,
→ Value C Brightness 1 Darkness )
µ µ →
→
building
construction
Auditorium _
vertically 0 -
10 White)
how pitch
high pitch → listening place , from open air theatres .
industrial
/ intensity )
→
→ chroma ( saturation
→ consumer products
↳ wavelength → Types :
-
horizontally (0-10/18)
Hall
}
- Conference
distance between star t + end
Lecture Theatre speech
Hearing Loss
-
↳ distance between 2 peaks yo u r pomp .
- Law Cour t
- green
→
length I complete sound wave code → Effects ↳ Cool
_
→ ✗ Concer t Hall - healthcare purple blue
}
-
Difficulty
, Af
-
communication
music
practice room technology
-
→ meter -
music
-
Loneliness -
financial
→ ✗ =
¥ -
Depression school assembly hall #
yellow
}
◦
-
warm range
→
mum - ed
.
→ distance Purpose
_ town hall -
retail
fast food
I energy
f-
-
→
↑ wavelength ,
_ *
→
Warning signs condition
- industrial
talk
Factors hearing
- troubles hearing people
- Shape
↳ Amplitude
-
mumbling -
dimension → Candle = 1900K
↳↑ power , tamp .
- volume → Blue sky : 20000K
→ distance between mid § top / bottom
→ Tinnitus -
boundary sur face
→ &
seating arrangements C correlated colour temp )
( buzzing] → cos
-
-
constant ringing
→ meter - audience capacity _ warmth 1 coolness
→ loudness
of Loss Path Diff Reflected -
Direct → CRI C Colour Rendering Index)
causes Hearing Sound =
"
to
"
-
ability look natural
-
loud noise
sound wave
-
drugs
Types of lighting
ra aging
-
-
hereditary
Daylighting
- Sun Artifieialhighton.ge light
w¥ugh
Electric
- Natural light
- View + connection
-
supplementary to daylight
NHL Induced
worse
Hearing to outdoor
sound Level
Health
-
common work + leisure related illness _
_ + psych .
→ 120dB Painful - music benefrits
→ 10dB Barely Audible Auditorium Shapes _
small speech
→ 50dB Moderate
Primitive sources
Stone lamp
↳ Candle
Lecture 2 ↳
Sound Intensity Level CI)
lamp Torch
↳ Oil
→ watts per unit Area → Noise control Hand-held lantern
Gas lamp
→ source Power Cho ) = transmitted energy source
→ sky lantern
- ↳ campfire
I =
÷ b tur n down sound
listener 's location
Modern sources of
/ D- L
-
w/m2 wcm2
.
→ common measurement @ listener position ↳ walk away
Lamp
↳ Incandescent
( involves distance sound source listener )
✓
-
-
along path -
Halogen
- not suitable music
30° 60°
exposure
- -
limit
±=%÷i÷
→
greater sitting Emitting Diodes CLED]
↳ Light
_
capacity
Area ↳ Luminiscent Gaseous Discharge Lamp
,
-
high pressure -
high pressure
→ W transmitted
→ Within Built Environment / sodium
distance twice
music / \
far from source spread over - metal halide vapour
as
, mercury
Planning → Isolation _ strongest
4 times the area ,
# I ) - lateral reflection - low pressure - fluorescent
→ Procedure / \ low pressure
↳ ar we , Ar
,
Kr , Sodium UPS]
→ Maintenance ✗ e , He , CO2 .
→ Operation hour
Reverberation Time
consumption chrghest efficiency]
* LED saves ↳ 0%
nearly energy
Ear th
→ sit C IT , RT ↑) ✓ Berms
Construction Method → Screening _
→ Absorbent sur face [ ↑ absorbent, ↓ RT) roamers
( wait General Function
→ sunlight
→ Acoustical materials
Materials → Insulation living things properly
-
function
↳ Room volume → porous Panel
, → AL
Sizes
→
Long sound Path (↑ ↑ RT ) / ) Auditorium deco
room size
y
-
,
-
ambiance
Cover small near wall
Absorb
-
Block
→
f street
-
CWindow)
sur face
wall ) Large Side By Ceiling pavement
-
-
✓/A 0.1608 ↳ reduce size sports amenity
-
→ RT = ✗ -
* mass ,
+ air ads
space , closet seal -
↳
Room modes ~ length
wide space -
surgical task
between studs .
D increase thicken .
~
width
- -
light tunnel
height
( ceiling)
/
-
back lane light
reverberation Echo
-
suspended Large better acoustic than small -
-
signal light
ceiling spotlight
prolonged /
-
-
-
2 distinct
[Floor] 1.28 : -54
copies / pulse
'
ratio I I
i Ideal = =
"""" "ⁿᵈ
" "" " "" " " "
of original sound CG inch )
-
large mum of stab
floating floor
distinguished
-
waves can be
reflected Auditorium Materials
and heard as twice CD @cord
gasketeddoor _ Sound Absorption
reflected sounds
-
-
stops
heavier
- sound Retretor
distinctly from
solid
-
heard
Reflective ceiling
core
-
original sound -
Diffusers
