1. The Hyperscape project [2]
Participative Game Informational Construction
Philippe Woloszyn
Chargé de recherche CNRS
Université de Haute Bretagne Rennes 2,
ESO-Lab. CNRS UMR 6590
philippe.woloszyn@univ-rennes2.fr
Gaëtan Bourdin
Directeur
LBA (Les Badauds Associés) organization
gaetan.bourdin@paysages-enchantier.com
LBA Les Badauds Associés
LBA Les Badauds Associés Besançon 2008
Besançon 2008

2. From Ambients …
HUMAN
Sensation Spatial
Perception
PHYSICAL BUILDING
ENVIRONMENT Signal SURROUNDING
Transformation

3. …to a Territorial Information System ...
Collective construction
Ideal Social
Appropriation processes Spatial practices
Spatial

4. …Through HPU Territorial Game…
Players Territory Gamepad
…Towards a Multimedia Spatial Mediation

5. Malakoff Territorial Gamepad

6. Scape Interrogation
What will be Malakoff ? [Composition]
Informational Evaluation
assumptions
Teleological
Effect
Artefact
Players What could be Malakoff ? Territory Gamepad
[Representation]
Cognitive Distance
Artefact
Casual
expression
Reality
What is Malakoff ? [Description]

7. Game Informational Evaluation
[Shannon]

8. Informational Impedance Adaptation
[Moles (1988)]
Apprenticeship process = Adaptative function which asymptote reveals perfect fitting
between transmitter and receiver directories.
Cost of communicative transactions between speakers and
listeners = Transmitter-receiver directories fitting quantification
Entropy calculation

9. Order Spectrum
Entropy
1
H ( X ) = I ( X ) = − ∑ p ( x) log p ( x) = ∑ p ( x) log .
x∈ X x∈ X p( x)
Information Dimension Correlation Dimension
log ∑ p ²( x) 1
Dc = lim x∈ X
∑ p( x) log
x∈ X p( x)
log k DS =
log k
[Moles (1988)]

10. Zipf Law
ANALOGY
Expression => Sound
Language => Soundscape
Word => Source
Grammar => Source
Characterization
Synthax => Source
Organization
log f x = C − s log k
[Mandelbrot (1965)]
Informational impedance
adaptation level between
real and imagined
soundscapes

11. Application : Malakoff Territory

12. Application : Territorial Soundscape
Real Imagined
Description

13. Soundscape Captation and Restitution
Binaural recording B-Format recording
Headphone listening 6.2 ambisonic system restitution
Listening tests :
Soundscape description

14. Soundscape Interrogation
Soundscape Composition
Cognitive Distance Evaluation
Soundscape
Soundscape
Players Representation
Representation Territory Gamepad
Soundscape Description

15. Soundscape Description and Analysis
Sound sources items Soundscape rank/order analysis
66
Ambient sources
55
Foreground Background
Frequency
44 Mechanical sound sources
33
Event sources
22
Scape Timeline
11
00
00 55 10
10 15
15 20
20
Citation Order
6
6
5
5
4
4
[Léobon (1995)]
3 y = -0,0738x + 2,8402
y = -0,0738x + 2,8402
3
R22 = 0,0984
R = 0,0984
2
2
1
1
0
0
0
0 5
5 10
10 15
15 20
20
Items Typological Distribution Rank/order law (global)

16. A Soundscape Territorial Re-composition
Real Imagined
Description Representation
Sound Athmosphere re-composition

17. 7 Ambient sources
6
Background
5 Nature The more complex the Soundscape
Frequency
Mechanical sources
4
the more accurate the
3
Foreground Information dimensioning
2 Event sources
Scape Timeline
1
0
0 5 10 Human
15 20
Scape sources ordering
diffusion
Composition Order

18. Real Imagined
Description Re-composition
Cognitive distance
Comparative Rank/Order Laws
6
6 6
6
5
5 5
5
y = -0,3249x + 5,3364
R2 = 0,5415 Ds = 0.68
4
4 4
4 Ds = 0.64
Ds = 0.93
y = 0,0769x + 1,5385 y = -0,3624x + 5,88
y = -0,3624x + 5,88
3 y = -0,0738x + =2,8402
Ds 1.07
y = -0,0738x + 2,8402 3
3 R2 = 0,0313 3 R22= 0,6834
R = 0,6834
R22 = 0,0984
R = 0,0984
2
2 2
2
1
1 1
1
0
0 0
0
0
0 5
5 10
10 15
15 20
20 0
0 5
5 10
10 15
15 20
20

19. Conclusions
Global Soundscape Characterization through Information Dimensioning
Ambients ground classification
Global soundscape & local source type behaviours
Structural ambients Categorization
Sociospatial transcription of the territory representations as an hypermedia
collective construction
Part of computer-adapted knowledge and global culture sharing
Define the notions of sensible sound territory
Application to Landscape Characterization
Exploration process evaluation / modelling
Ambiorama Soundscape preprocessing [B-Format]
Sample dimensioning / formating