carat.features.calculateDelta¶
-
carat.features.
calculateDelta
(in_signal, delta_filter_length=3)[source]¶ This function calculates the delta coefficients of a given feature.
- Args:
- input: input feature signal
- delta_filter_length (int): length of the filter used to calculate the Delta coefficients. Must be an odd number.
- Returns:
- output: output feature signal