fe_noise.h

/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
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 * Copyright (c) 2013 Carnegie Mellon University.  All rights 
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 * This work was supported in part by funding from the Defense Advanced 
 * Research Projects Agency and the National Science Foundation of the 
 * United States of America, and the CMU Sphinx Speech Consortium.
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#ifndef FE_NOISE_H
#define FE_NOISE_H

#include "sphinxbase/fe.h"
#include "sphinxbase/fixpoint.h"
#include "fe_type.h"

typedef struct noise_stats_s noise_stats_t;

/* Creates noisestats object */
noise_stats_t *fe_init_noisestats(int num_filters);

/* Resets collected noise statistics */
void fe_reset_noisestats(noise_stats_t * noise_stats);

/* Frees allocated data */
void fe_free_noisestats(noise_stats_t * noise_stats);

void fe_track_snr(fe_t *fe, int32 *in_speech);

void fe_vad_hangover(fe_t *fe, mfcc_t *feat, int32 is_speech, int32 store_pcm);

#endif                          /* FE_NOISE_H */