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Philippe WoloszynChargé de recherche CNRS
Université de Haute Bretagne Rennes 2,
ESO-Lab. CNRS UMR 6590
Gaëtan Bourdin
Directeur
LBA (Les Badauds Associés) organization
TheThe HyperscapeHyperscape projectproject [2][2]
Participative Participative GameGame InformationalInformational ConstructionConstruction
Besançon 2008Besançon 2008LBA Les Badauds AssociésLBA Les Badauds Associés
FromFrom AmbientsAmbients ……
Sensation SpatialPerception
Signal
Transformation
HUMAN
PHYSICAL
ENVIRONMENT
BUILDING
SURROUNDING
……to a Territorial Information to a Territorial Information SystemSystem ......
Spatial
Collective construction
Spatial practicesAppropriation processes
SocialIdeal
Players Territory Gamepad
……ThroughThrough HPU Territorial HPU Territorial GameGame……
…Towards a Multimedia Spatial Mediation…Towards a Multimedia Spatial Mediation
Malakoff TerritorialMalakoff Territorial GamepadGamepad
What is Malakoff ?
What could be Malakoff ?What could be Malakoff ?
What will be Malakoff ?
Eff
ect
Ca
su
al
Re
alit
y
exp
ressio
n
Te
leolo
gic
al
assu
mp
tio
ns
Territory GamepadPlayers
Artefact
Artefact
[Description]
[Representation]
[Composition]
Co
gn
itiv
e
Dis
tance
I
nfo
rma
tio
na
lE
va
lua
tio
n
ScapeScape InterrogationInterrogation
GameGame InformationalInformational EvaluationEvaluation
[Shannon]
InformationalInformational ImpedanceImpedance AdaptationAdaptation
[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
Correlation Dimension
k
xp
D Xx
clog
)²(log
lim∑∈
=
OrderOrder SpectrumSpectrum
[Mo
les (
19
88
)]
.)(
1log)()(log)()()(
xpxpxpxpXIXH
XxXx
∑∑∈∈
=−==
k
xpxp
DXx
Slog
)(
1log)(∑
∈
=
Information Dimension
Entropy
ksCfx loglog −=
ZipfZipf LawLaw
[Ma
nd
elb
rot
(19
65
)]
Informational impedance
adaptation level between
real and imagined
soundscapes
Expression => Sound
Language => Soundscape
Word => Source
Grammar => Source
Characterization
Synthax => Source
Organization
ANALOGY
Application : Malakoff Application : Malakoff TerritoryTerritory
Application : Territorial Application : Territorial SoundscapeSoundscape
Real Imagined
Description
Headphone listening
Listening tests :
Soundscape description
6.2 ambisonic system restitution
Binaural recording B-Format recording
SoundscapeSoundscape Captation Captation andand RestitutionRestitution
Soundscape Description
SoundscapeRepresentation
SoundscapeRepresentation
Soundscape Composition
Territory GamepadPlayers
Cogn
itiv
e
Dis
tance
Evalu
ation
SoundscapeSoundscape InterrogationInterrogation
0
1
2
3
4
5
6
0 5 10 15 20
0
1
2
3
4
5
6
0 5 10 15 20
Mechanical sound sources
Citation Order
Fre
qu
en
cy
Ambient sources
Event sources
Sound sources items Soundscape rank/order analysis
Items Typological Distribution
Foreground Background
Scape Timeline
SoundscapeSoundscape Description Description andand AnalysisAnalysis
Rank/order law (global)
[Lé
ob
on
(19
95
)]
y = -0,0738x + 2,8402
R2 = 0,0984
0
1
2
3
4
5
6
0 5 10 15 20
y = -0,0738x + 2,8402
R2 = 0,0984
0
1
2
3
4
5
6
0 5 10 15 20
A A SoundscapeSoundscape Territorial Territorial ReRe--compositioncomposition
Real Imagined
Description Representation
Sound Athmosphere re-composition
0
1
2
3
4
5
6
7
0 5 10 15 20
Fre
qu
en
cy
Composition Order
Mechanical sources
Ambient sources
Foreground
Background
Event sourcesScape Timeline
Human
Nature
Scape sources ordering
diffusion
The more complex the Soundscape
� the more accurate the
Information dimensioning
Real Imagined
Cognitive distance
Description Re-composition
Comparative Rank/Order Laws
y = -0,0738x + 2,8402
R2 = 0,0984
0
1
2
3
4
5
6
0 5 10 15 20
y = -0,0738x + 2,8402
R2 = 0,0984
0
1
2
3
4
5
6
0 5 10 15 20
Ds = 0.93y = -0,3624x + 5,88
R2 = 0,6834
0
1
2
3
4
5
6
0 5 10 15 20
y = -0,3624x + 5,88
R2 = 0,6834
0
1
2
3
4
5
6
0 5 10 15 20
Ds = 0.64
y = -0,3249x + 5,3364
R2 = 0,5415 Ds = 0.68
y = 0,0769x + 1,5385
R2 = 0,0313Ds = 1.07
ConclusionsConclusions
Application to Landscape Characterization
Define the notions of sensible sound territory
Part of computer-adapted knowledge and global culture sharing
Sociospatial transcription of the territory representations as an hypermediacollective construction
Ambiorama Soundscape preprocessing [B-Format]
Exploration process evaluation / modelling
Sample dimensioning / formating
Ambients ground classification
Structural ambients Categorization
Global soundscape & local source type behaviours
Global Soundscape Characterization through Information Dimensioning
