New Forms of Representation to Listen, Analyze, and Create Electroacoustic Music
1. New Forms of Representation
to Listen, Analyze, and Create
Electroacoustic Music
Pierre Couprie
Institut de Recherche en Musicologie (CNRS, UMR 8223)
Université Paris-Sorbonne
Société Française d’Analyse Musicale (SFAM)
!
pierre.couprie@paris-sorbonne.fr
2. New Forms of Representation
to Listen, Analyze, and Create
Electroacoustic Music
Pierre Couprie
Institut de Recherche en Musicologie (CNRS, UMR 8223)
Université Paris-Sorbonne
Société Française d’Analyse Musicale (SFAM)
!
pierre.couprie@paris-sorbonne.fr
3. Introduction
• Transcription vs representation
• Examples of analytical representations
• Analytical representation & Creation
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
4. Examples
EAnalysis!
Developed for MTIRC (De Montfort
University, Leicester, UK)
!
Free for Macintosh 10.6 or later
http://eanalysis.pierrecouprie.fr
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
6. Transcription vs representation
Delalande’s model of transcription
Recording
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
Musical
analysis
Transcription
Listening behavior
François Delalande (2013), Analyser la musique, pourquoi,
comment ?, Paris, INA, p. 121.
7. Ondes croisées (extract of De Natura Sonorum) by Bernard Parmegiani
Transcription: Pierre Couprie
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
8. Transcription vs representation
Analytical model of representation
Listening behavior Analysis
Musical analysis
Audio-visual
recordings
transcriptions
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
Complex/Composite
analytical
representations
Acoustical
representations
Low level & High
level extractions
Acoustics Visualization design
Technical files
Documentation
10. J.M. Chouvel & al. (2007), « L'analyse musicale différentielle
: principes, représentation et application à l'analyse de
l'interprétation », EMS
Entwurzelt by Hans Tutschku (2012)
Necropolis-City of the Dead by Åke Parmerud (2011)
Differential sonogram
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
11. M. Casey & al. (2008), « Content-Based Music Information
Retrieval: Current Directions and Future Challenges », IEEE
Entwurzelt by Hans Tutschku (2012)
Audio descriptors (centroid, amplitude, inharmonicity)
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
12. M. Malt & E. Jourdan (2014), « Le « BStD » – Une
représentation graphique de la brillance et de l’écart type
spectral, comme possible représentation de l’évolution du
timbre sonore », (forthcoming)
Entwurzelt by Hans Tutschku (2012)
Audio descriptors: BStD representation (centroid, amplitude, inharmonicity)
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
13. Entwurzelt by Hans Tutschku (2012)
Audio descriptors (centroid, amplitude, inharmonicity)
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
14. Necropolis-City of the Dead by Åke Parmerud (2011)
Audio descriptors (centroid, amplitude, inharmonicity)
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
15. Entwurzelt by Hans Tutschku (2012)
Audio descriptors + Tutschku’s structure + our structure
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
16. Entwurzelt by Hans Tutschku (2012)
Audio descriptors + Tutschku’s structure + my structure (similarity matrix)
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
17. Mazurka project, Hierarchical Correlation Plots, http://
www.mazurka.org.uk
Necropolis-City of the Dead by Åke Parmerud (2011)
Amplitude correlation right & left
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
18. Geoffroy Peeters (2007), « Sequence representation of
music structure using higher-order similarity matrix and
maximum-likelihood approach », OCG
Necropolis-City of the Dead by Åke Parmerud (2011)
Similarity matrix from spectral centroid descriptor
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
19. Necropolis-City of the Dead by Åke Parmerud (2011)
Similarity matrix from spectral centroid descriptor
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
20. Elephant extract of soundtrack by Hildegard Westerkamp (2003)
Composite analytical representation
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
21. Elephant extract of soundtrack by Hildegard Westerkamp (2003)
Composite analytical representation
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
23. Analytical representation & Creation
CataRT by Diemo Schwarz (Ircam)
Concatenative synthesis
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
24. Analytical representation & Creation
Model of representation for creation and performance
Musical
analysis
Pierre Couprie - pierre.couprie@paris-sorbonne.fr
Creation,
Performance
Sound
material,
Music
Analytical
representation
25. Analytical representation & Creation
• Use these new forms of representation to explore, classify,
manipulate and transform sound material
• Graphical help for composition: musical representation of
forms, singularities, spectromorphologies, various
relationships
• Live graphical assistance for performance, improvisation
Pierre Couprie - pierre.couprie@paris-sorbonne.fr