Blind Source Separation Based on Covariance Ratio and Artificial Bee Colony Algorithm

Figure 1

Separation results for speech signals.

(a) Sources 𝑠₁, 𝑠₂, and 𝑠₃

(b) Mixtures 𝑥₁, 𝑥₂, and 𝑥₃

(c) Recovered signals 𝑦₁, 𝑦₂, and 𝑦₃

(d) Scatter plot