stacoustics ec green week 23rd may 2018 slide 1€¦ · ec green week 23rd may 2018 slide 2 ....
TRANSCRIPT
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STAcoustics EC Green Week 23rd May 2018 Slide 1
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Number Highly Annoyed
14.1 million adults
STAcoustics EC Green Week 23rd May 2018 Slide 2
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Number Highly Sleep Disturbed
5.9 million adults
STAcoustics EC Green Week 23rd May 2018 Slide 3
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Number of Hospital Admissions
69,000 per year
STAcoustics EC Green Week 23rd May 2018 Slide 4
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Number of Premature Deaths
15,900 per year
STAcoustics EC Green Week 23rd May 2018 Slide 5
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STAcoustics
Come and listen to how we can fight noise -
the hidden killer
Stephen Turner, MA, MSc, HonFIOA Director Stephen Turner Acoustics Limited
Paul Shields, FIOA & Dr Alex Southern, MIOA AECOM
STAcoustics 6 EC Green Week 23rd May 2018
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Introduction to the Presenters
STAcoustics EC Green Week 23rd May 2018 Slide 7
Paul Shields FIOA Operations Director
Acoustics AECOM
Dr Alex Southern MIOA Auralisation Lead
Acoustics AECOM
Stephen Turner HonFIOA Director
Stephen Turner Acoustics Limited
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Session Overview
• What is Sound
• What is noise
• Effects of Noise
• Measures to Fight Noise
STAcoustics EC Green Week 23rd May 2018 Slide 8
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Sound
• We hear SOUND.
STAcoustics EC Green Week 23rd May 2018 Slide 9
Photo: Wikipedia
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Sound and Noise
• NOISE is unwanted SOUND
STAcoustics EC Green Week 23rd May 2018 Slide 10
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What turns Sound into NOISE?
Is it simply how loud it is?
STAcoustics EC Green Week 23rd May 2018 Slide 11
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Demonstration
• We are going to play 3 sounds
• Please select which one – you like the most
– you least like
– is the loudest
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Demonstration
• Which one you like the
most
• Which one you least like
• Which one is the loudest
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Demonstration Survey
• Which one did you like the most? – Extract No. 1
– Extract No. 2
– Extract No. 3
STAcoustics EC Green Week 23rd May 2018 Slide 14
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Demonstration Survey
• Which one did you least like? – Extract No. 1
– Extract No. 2
– Extract No. 3
STAcoustics EC Green Week 23rd May 2018 Slide 15
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Demonstration Survey
• Which one was the loudest? – Extract No. 1
– Extract No. 2
– Extract No. 3
STAcoustics EC Green Week 23rd May 2018 Slide 16
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Results
• Extract 1 Extract 2 Extract 3
STAcoustics EC Green Week 23rd May 2018 Slide 17
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Sound and Noise
One person’s SOUND can be another person’s NOISE
STAcoustics EC Green Week 23rd May 2018 Slide 18
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Sound and Noise
• Meters measure SOUND levels.
STAcoustics EC Green Week 23rd May 2018 Slide 19
70 dB
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Measuring Sound
• Here is one of the extracts being measured on the sound level meter
STAcoustics EC Green Week 23rd May 2018 Slide 20
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Sound and Noise
STAcoustics EC Green Week 23rd May 2018 Slide 21
Published online by the BBC at https://www.youtube.com/watch?v=r-c5GpoD8wI
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Sound and Noise
Our brain is involved in our interpretation of sound
STAcoustics EC Green Week 23rd May 2018 Slide 22
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Sound and Noise
The context and our attitude to the cause of sound can affect whether it is a NOISE
STAcoustics EC Green Week 23rd May 2018 Slide 23
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Environmental Noise
• Most of us agree that this is NOISE
STAcoustics EC Green Week 23rd May 2018 Slide 24
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Instinctive Reaction to Sound
• They hear a sound • What is it? • Unconscious Flight /
Fight reaction occurs • Can’t think about it –
might be too late • Increase heart rate,
cardiac output and blood pressure
STAcoustics EC Green Week 23rd May 2018 Slide 25
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Sound and Noise
SOUND becomes noise when we have a conscious adverse reaction to it. SOUND ALSO is noise because we have adverse reaction to it that we are not aware of.
STAcoustics EC Green Week 23rd May 2018 Slide 26
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How does noise affect us?
STAcoustics EC Green Week 23rd May 2018 Slide 27
Noise induced hearing loss Health effects
Increased blood pressure Cardio-Vascular Disease
Heart Attack Stroke
Non-cognitive Biological responses
Personal physiological
characteristics
Disturbance
Distraction Speech Interference Disruption to Tasks Sleep Disturbance
Annoyance Complaints/ Action
Personal Characteristics
(Socio-psychological factors)
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Noise Map of Glasgow
GLASGOW, SCOTLAND
STAcoustics EC Green Week 23rd May 2018 Slide 28
SOURCE: https://noise.environment.gov.scot/noisemap/
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Noise Map of Glasgow
STAcoustics EC Green Week 23rd May 2018 Slide 29
Orange Purple Light Blue
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Exposure which if experienced long term starts to increase risk of health effects
STAcoustics EC Green Week 23rd May 2018 Slide 30
Complaints/ Action
Noise induced hearing loss Health effects
Increased blood pressure Cardio-Vascular Disease
Heart Attack Stroke
Non-cognitive Biological responses
Personal physiological
characteristics
Disturbance
Distraction Speech Interference Disruption to Tasks Sleep Disturbance
Annoyance
Personal Characteristics
(Socio-psychological factors)
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Exposure which starts to cause adverse effects
STAcoustics EC Green Week 23rd May 2018 Slide 31
Complaints/ Action
Noise induced hearing loss Health effects
Increased blood pressure Cardio-Vascular Disease
Heart Attack Stroke
Non-cognitive Biological responses
Personal physiological
characteristics
Disturbance
Distraction Speech Interference Disruption to Tasks Sleep Disturbance
Annoyance
Personal Characteristics
(Socio-psychological factors)
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How it sounds indoors
STAcoustics EC Green Week 23rd May 2018 Slide 32
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How road traffic sounds when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 33
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How road traffic sounds when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 34
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How road traffic sounds when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 35
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How railways sound when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 36
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How railways sound when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 37
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How railways sound when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 38
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How aircraft sound when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 39
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How aircraft sound when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 40
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How aircraft sound when indoors
STAcoustics EC Green Week 23rd May 2018 Slide 41
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How to Manage Road Traffic Noise
1. Reduce the noise generated by individual vehicles
STAcoustics EC Green Week 23rd May 2018 Slide 42
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How to Manage Road Traffic Noise
2. Reduce the speed
STAcoustics EC Green Week 23rd May 2018 Slide 43
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How to Manage Road Traffic Noise
3. Use a Low Noise Road Surface
STAcoustics EC Green Week 23rd May 2018 Slide 44
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How to Manage Road Traffic Noise
4. Use a noise barrier
STAcoustics EC Green Week 23rd May 2018 Slide 45
R
Receptionpoint
h+0.5d
d’S
Effectivesourceposition
Sourceline
B
Diffracting edge
Edge of nearsidecarriageway
Shadow zone
Illuminated zone
Path difference (δ) = SB + BR – SR= SB + BR –d’
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Who can apply these measures
STAcoustics EC Green Week 23rd May 2018 Slide 46
Europe National or Local
Local Local
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Reducing Noise at Source
• EC Regulation 540/2014
• Reduce by 3 dB
• Current
• With 3dB reduction
STAcoustics EC Green Week 23rd May 2018 Slide 47
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Reduce the Speed
• A reduction of about 4.5dB
STAcoustics EC Green Week 23rd May 2018 Slide 48
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Combining Source reduction with reduced Speed
• A reduction of about 7.5dB
STAcoustics EC Green Week 23rd May 2018 Slide 49
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Use a Low Noise Road Surface
• Original (100km/h)
• Low Noise Road Surface
• About a 4 dB reduction
STAcoustics EC Green Week 23rd May 2018 Slide 50
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Use a Low Noise Road Surface
• Original (50 km/h)
• Low Noise Road Surface
• About a 1 dB reduction
STAcoustics EC Green Week 23rd May 2018 Slide 51
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Noise barrier
STAcoustics EC Green Week 23rd May 2018 Slide 52
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The effect of a noise barrier
STAcoustics EC Green Week 23rd May 2018 Slide 53
About a 10dB reduction
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…. And Indoors
STAcoustics EC Green Week 23rd May 2018 Slide 54
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And that’s how we can fight noise
STAcoustics EC Green Week 23rd May 2018 Slide 55
Europe National or Local
Local Local
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But it’s not that simple…..
• Those measures add to the cost of vehicles.
• Take time and money to research and implement
• Reducing speeds increases journey times and adds to the cost of business travel
STAcoustics EC Green Week 23rd May 2018 Slide 56
Europe
National or Local
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But it’s not that simple…..
• Low noise roads originally more costly and not as hardwearing as concrete
• Need replacing more often • Technology improving
• Barriers spoil the view • Can sever communities • Need maintaining
STAcoustics EC Green Week 23rd May 2018 Slide 57
Local
Local
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There is a balance to be found
Society needs Good health & well-being
Society needs Industry, Commerce & Transport Infrastructure NOISE
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Fighting Noise is a Team Effort Europe
Cities
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If we work together…….
STAcoustics EC Green Week 23rd May 2018 Slide 60
Nearly a 20 dB reduction
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Must be worth doing
Number Highly Annoyed Number Highly Sleep Disturbed No. of Hospital admissions/year Number of deaths
14.1 million 5.9 million 69,000 15,900
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And that’s how…
we can fight
NOISE The Hidden Killer
STAcoustics EC Green Week 23rd May 2018 Slide 62
NOISE NOISE
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Thank You
• Contact details:
• Email: [email protected] • Tel: + 44 7716 117063
• Email: [email protected] • Tel: + 44 7920 825541
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Calibration
• PLEASE DO NOT DELETE
• PLAY THIS SOUND FILE AND USE MASTER GAIN ON MIXER TO ACHIEVE 75dB
STAcoustics EC Green Week 23rd May 2018 Slide 64