process_utt(FrontEnd self, char * spch, size_t nsamps, mfcc_t ***
cep_block) -> int
Process a block of samples, returning as many frames as possible.
This function processes all the samples in a block of data and returns
a newly allocated block of feature vectors. This block needs to be freed
with fe_free_2d() after use.
It is possible for there to be some left-over data which could not fit
in a complete frame. This data can be processed with fe_end_utt().
This function is deprecated in favor of fe_process_frames().
0 for success, <0 for failure (see enum fe_error_e)
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