Which of the following signals are statistically independent (and thus we have a chance of separating using ICA)
Two audio recordings of a conversation between two people
Two audio recordings of two singers singing in unison (singing the same melody at the same time)
The time series of temperature readings from two thermometers in the same city
True or false: ICA always works in a case where the number of observations we have is lower than the number of independent components we seek (for example, we have two recordings of a band of five musicians)
True
False
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