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Simplicity and complexity are not necessarily polar opposites
  They can interact at different levels of a (perceptual) system
as well as the "inner and outer" complexity of sound

Simplicity leads to Complexity

Complex Systems with Emergent Forms

Compositional progression towards microsound:
the FM synthesis background texture in Arras (1980)
the spin-based textures in Solar Ellipse (1984-85)
crossing the 50 ms threshold to the quantum grain in Riverrun (1986-87)

Complexity yields to Simplicity

Data reduction in Risset's (1969) trumpet tone analysis
Psychoacoustic perception based on spectral envelope and temporal envelope
working in tandem, e.g. for vowels and consonants respectively

Simultaneous information extraction through "dual processing"

Stochastic processes: micro-level unpredictability leads to macro-level perception of "coherency", e.g. density, loudness, texture

Auditory scene analysis: streaming simultaneous "strands" of sound

A balance between complexity and simplicity in both musical composition,  soundscape design and bioacoustic habitats (ANH)

A soundscape composition may be grounded in a clear original recording
 and extend its complexity through processed elements (e.g. abstracted sounds)
and its relationships to "outer" social, environmental and psychological complexity

What are the limits of extended complexity?
This is explored in Infinity Room (2019)

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