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. Author manuscript; available in PMC: 2015 Mar 10.
Published in final edited form as: Curr Biol. 2011 Dec 5;21(23):R967–R968. doi: 10.1016/j.cub.2011.10.027

Figure 2.

Figure 2

The classification of sound textures by their statistics may assist in auditory scene analysis. Sound from a complex scene enters the brain, and is represented by the activity of a population of low-level neurons (triangles). The higher-level brain captures the statistics of the low-level activity, hypothesizing that it consists of a stationary background sound texture, whose statistics are collected, and a foreground non-stationary sound. The background could then be subtracted to improve the perception of the foreground sound.