int xtract_features_from_subframes(const float *data, const int N, const int feature, const void *argv, float *result)
Divides the array pointed to by *data into two subframes, and applies a given feature to each subfram...
int xtract_windowed(const float *data, const int N, const void *argv, float *result)
Apply a window function to an array of length N.