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fe_noise.h
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/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/* ====================================================================
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* Copyright (c) 2013 Carnegie Mellon University. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* This work was supported in part by funding from the Defense Advanced
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* Research Projects Agency and the National Science Foundation of the
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* United States of America, and the CMU Sphinx Speech Consortium.
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*
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* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
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* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
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* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ====================================================================
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*
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*/
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#ifndef FE_NOISE_H
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#define FE_NOISE_H
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#include "sphinxbase/fe.h"
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#include "sphinxbase/fixpoint.h"
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#include "fe_type.h"
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typedef
struct
noise_stats_s
noise_stats_t
;
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/* Creates noisestats object */
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noise_stats_t
*fe_init_noisestats(
int
num_filters);
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/* Resets collected noise statistics */
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void
fe_reset_noisestats(
noise_stats_t
* noise_stats);
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/* Frees allocated data */
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void
fe_free_noisestats(
noise_stats_t
* noise_stats);
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void
fe_track_snr(
fe_t
*fe, int32 *in_speech);
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void
fe_vad_hangover(
fe_t
*fe, mfcc_t *feat, int32 is_speech, int32 store_pcm);
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#endif
/* FE_NOISE_H */
noise_stats_s
Definition:
fe_noise.c:83
fe_s
Structure for the front-end computation.
Definition:
fe_internal.h:117
src
libsphinxbase
fe
fe_noise.h
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