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Soundscape - Necessary Context Information from a Geographer’s Viewpoint Kin-che Lam  Department of Geography & Resource Management The Chinese University of Hong Kong Sounding Brighton Workshop 6-7 April 2011, Brighton, England
Soundscape Conceptual Framework
Soundscape ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],People-Centered Living Experience ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],Vision
[object Object],[object Object],[object Object],Tactile Sense
[object Object],[object Object],[object Object],Smell
[object Object],[object Object],[object Object],Hearing
[object Object],[object Object],[object Object],[object Object],Perceiving the Environment with all the Senses
Hearing goes beyond what is audible –  Tranquility is both audition and a state of mind   ,[object Object]
Enviro-scape ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Acoustic Comfort Thermal Comfort Air Quality Human  Interaction Others Urban Enviro-scape
Human Needs and Aspiration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Based on Maslow (1943)
Innate Human Needs ,[object Object],[object Object]
Significance of restorative environment ,[object Object],[object Object],[object Object]
[object Object],[object Object]
[object Object],Humans in the Enviro-scape Thermal Map Noise Map
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Humans in the Environment
Simulation of the dynamic sound field of sea waves on high and low tide days Low Wave
Simulation of the dynamic sound field of sea waves on high and low tide days High Wave
Train Station Office Option 1 Chinese University of Hong Kong
Train Station Office Option 1 Option 2 Chinese University of Hong Kong
Train Station Office Option 2 Option 3 Chinese University of Hong Kong
Space context of human activity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Route of Hikers – Eastern Part Hong Kong Sai Wan
Picnic/ camp sites with road access
Hiking zone
Coastal Scenic Spots
Sound Measurement Sites at Sai Wan Hillslopes Woodland Human settlement Back Dune Scrubland Lagoon Stream Abandoned agricultural field Abandoned agricultural field Lagoon Experiential Sphere of the Countryside Visitors
Space, “Place” and Sound ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Human Preference as revealed in …. ,[object Object],[object Object],[object Object],[object Object],[object Object]
Living Space of the Hong Kong People  ,[object Object],[object Object],[object Object],Dwelling Neighbourhood
Living Space of the Hong Kong People  ,[object Object],[object Object],[object Object],Dwelling Neighbourhood Community Level
Noise Exposure Levels at and in the vicinity of Home Dwelling Level Neigbhourhood Level Community Level SH Small houses OS Old development with squares ON Old development and small housing estates without podium CM Compact massive housing estates LN Large housing estates without podium LP Large housing estates with podium Source: Lam et al. 2005
Nature in City or City in Nature  ,[object Object],[object Object],[object Object]
Wanted and Unwanted Sounds in Cities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],How do people cope?
Significance of Sound with the “Context” ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Soundscapes preferred are “Place” specific Source: Lex Brown
What do people prefer?
Some Findings highlighting the Importance of “Context” in human appraisal of soundscapes ,[object Object],[object Object],[object Object],[object Object],[object Object]
Human response to noise at home ,[object Object],[object Object],[object Object],(Source: Klæboe  et al , 2004) B A C D
[object Object],Access to a Quiet Room as a Factor Affecting Annoyance Response Odds Ratio > 1 < 1
Significance of a Wetland Park to Residents  of nearby High-rise Apartments Reedbed FM 1 FM2 Spur Pond Mudflat Woodland Wetland Discovery Centre VC LRT Wetland Park Station Phase 1 venue of HKWP
Subjective Evaluation of Acoustic Quality of Urban Parks in HK   Table 8:  Mean evaluation scores of the acoustic quality of four soundscape on a scale of 1 to 5 (1= dislike most; 5 = like most) *Figures in parenthesis are standard deviation; #N = sample size Adapted from Lex Brown’s Framework   2006
Subjective Evaluation of Acoustic Quality of Urban Parks in HK   Table 8:  Mean evaluation scores of the acoustic quality of four soundscape on a scale of 1 to 5 (1= dislike most; 5 = like most) *Figures in parenthesis are standard deviation; #N = sample size H Lin et al, in press Adapted from Lex Brown’s Framework
Results:  Human Preference Correlated with Presence/Absence of Sounds KC Lam et al., Acta Acustica, 2010
Human response to extraneous noise on a 7-point scale as a function of activity ,[object Object],[object Object],[object Object]
Human response to extraneous noise on a 7-point scale as a function of activity KC Chau, L Marafa & KC Lam, NCEJ, 2010 How much do you  dislike aircraft noise? How much are you  annoyed by aircraft noise? How much do you  dislike  human noise? How much are you  annoyed by human noise? N Mean Score N Mea n Score N Mean Score N Mean Score Hiking/ Scenery  Appreciation 193 5.74 235 3.69 321 4.40 503 2.77 Picnic/ BBQ 50 5.10 53 2.77 99 3.85 141 2.68 Overall 243 5.59 288 3.42 420 4.27 644 2.73
Aircraft  Noise
Masking Effect of Background Sound on Audibility of Aircraft Noise Beach Woodland Fallow field
Effect of Masking on Visitors’ Response to Aircraft and Human Noise in Outdoor Sites on 1 to 7 Scale   (1: not at all; 7: very much)   KC Chau, L Marafa & KC Lam, NCEJ, 2010
Sound Masking in the design of an urban park in Hong Kong
Two Types of Masking ,[object Object],[object Object]
Masking & Audibility Location and Landscape Characteristics Biophony & Geophony Human Use & Aspiration Human Noise Road Noise Aircraft Noise Evaluation & Appreciation Coping Context Overall Perception & Feelings Conceptual Framework of Human Response to Extraneous Noise in the Countryside
Trend of Enviro-scape in Cities ,[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Opportunities in Cities ,[object Object],[object Object],[object Object]
Welcome to Acoustics 2012 Hong Kong 14-18 May, 2012 Kin Che LAM  林 健枝   HonFCIWEM, FHKIEIA, MHKIOA, SBS, JP Email: kinchelam@cuhk.edu.hk THANK YOU

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COST Workshop April 2011 KC Lam

  • 1. Soundscape - Necessary Context Information from a Geographer’s Viewpoint Kin-che Lam Department of Geography & Resource Management The Chinese University of Hong Kong Sounding Brighton Workshop 6-7 April 2011, Brighton, England
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12. Acoustic Comfort Thermal Comfort Air Quality Human Interaction Others Urban Enviro-scape
  • 13.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19. Simulation of the dynamic sound field of sea waves on high and low tide days Low Wave
  • 20. Simulation of the dynamic sound field of sea waves on high and low tide days High Wave
  • 21. Train Station Office Option 1 Chinese University of Hong Kong
  • 22. Train Station Office Option 1 Option 2 Chinese University of Hong Kong
  • 23. Train Station Office Option 2 Option 3 Chinese University of Hong Kong
  • 24.
  • 25. Route of Hikers – Eastern Part Hong Kong Sai Wan
  • 26. Picnic/ camp sites with road access
  • 29. Sound Measurement Sites at Sai Wan Hillslopes Woodland Human settlement Back Dune Scrubland Lagoon Stream Abandoned agricultural field Abandoned agricultural field Lagoon Experiential Sphere of the Countryside Visitors
  • 30.
  • 31.
  • 32.
  • 33.
  • 34. Noise Exposure Levels at and in the vicinity of Home Dwelling Level Neigbhourhood Level Community Level SH Small houses OS Old development with squares ON Old development and small housing estates without podium CM Compact massive housing estates LN Large housing estates without podium LP Large housing estates with podium Source: Lam et al. 2005
  • 35.
  • 36.
  • 37.
  • 38.
  • 39.
  • 40. What do people prefer?
  • 41.
  • 42.
  • 43.
  • 44. Significance of a Wetland Park to Residents of nearby High-rise Apartments Reedbed FM 1 FM2 Spur Pond Mudflat Woodland Wetland Discovery Centre VC LRT Wetland Park Station Phase 1 venue of HKWP
  • 45. Subjective Evaluation of Acoustic Quality of Urban Parks in HK Table 8: Mean evaluation scores of the acoustic quality of four soundscape on a scale of 1 to 5 (1= dislike most; 5 = like most) *Figures in parenthesis are standard deviation; #N = sample size Adapted from Lex Brown’s Framework 2006
  • 46. Subjective Evaluation of Acoustic Quality of Urban Parks in HK Table 8: Mean evaluation scores of the acoustic quality of four soundscape on a scale of 1 to 5 (1= dislike most; 5 = like most) *Figures in parenthesis are standard deviation; #N = sample size H Lin et al, in press Adapted from Lex Brown’s Framework
  • 47. Results: Human Preference Correlated with Presence/Absence of Sounds KC Lam et al., Acta Acustica, 2010
  • 48.
  • 49. Human response to extraneous noise on a 7-point scale as a function of activity KC Chau, L Marafa & KC Lam, NCEJ, 2010 How much do you dislike aircraft noise? How much are you annoyed by aircraft noise? How much do you dislike human noise? How much are you annoyed by human noise? N Mean Score N Mea n Score N Mean Score N Mean Score Hiking/ Scenery Appreciation 193 5.74 235 3.69 321 4.40 503 2.77 Picnic/ BBQ 50 5.10 53 2.77 99 3.85 141 2.68 Overall 243 5.59 288 3.42 420 4.27 644 2.73
  • 51. Masking Effect of Background Sound on Audibility of Aircraft Noise Beach Woodland Fallow field
  • 52. Effect of Masking on Visitors’ Response to Aircraft and Human Noise in Outdoor Sites on 1 to 7 Scale (1: not at all; 7: very much) KC Chau, L Marafa & KC Lam, NCEJ, 2010
  • 53. Sound Masking in the design of an urban park in Hong Kong
  • 54.
  • 55. Masking & Audibility Location and Landscape Characteristics Biophony & Geophony Human Use & Aspiration Human Noise Road Noise Aircraft Noise Evaluation & Appreciation Coping Context Overall Perception & Feelings Conceptual Framework of Human Response to Extraneous Noise in the Countryside
  • 56.
  • 57.
  • 58.
  • 59.
  • 60. Welcome to Acoustics 2012 Hong Kong 14-18 May, 2012 Kin Che LAM 林 健枝 HonFCIWEM, FHKIEIA, MHKIOA, SBS, JP Email: kinchelam@cuhk.edu.hk THANK YOU