These recordings provide numerous examples which support the Traité des objets musicaux.
Its structure includes a prologue and nine themes:
- the four elements of musical theory
- correlations between spectrum and pitch
- duration and information
- time thresholds of the ear
- time distorsion (anamorphose)
- artificial attacks and secondary attack - characteristics of sustained sounds
- the timbre of sounds and the concept of the musical instrument
- morphology of the sound object
- typology of musical objects
- applications