Cross-correlation

Numpy.correlate and autocorrelation; audio signal

Numpy.correlate and autocorrelation; audio signal
  1. What does NumPy correlate return?
  2. How do you find the cross-correlation of two signals in Python?

What does NumPy correlate return?

numpy. correlate simply returns the cross-correlation of two vectors. if you need to understand cross-correlation, then start with http://en.wikipedia.org/wiki/Cross-correlation. This will return a comb/shah function with a maximum when both data sets are overlapping.

How do you find the cross-correlation of two signals in Python?

In the Numpy program, we can compute cross-correlation of two given arrays with the help of correlate(). In this first parameter and second parameter pass the given arrays it will return the cross-correlation of two given arrays. Parameters : a, v : [array_like] Input sequences.

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