gecko/media/pocketsphinx/ps_mllr.h

76 lines
2.5 KiB
C

/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* ====================================================================
* Copyright (c) 2008 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ====================================================================
*
*/
/**
* @file ps_mllr.h Model-space linear transforms for speaker adaptation
*/
#ifndef __PS_MLLR_H__
#define __PS_MLLR_H__
/* SphinxBase headers. */
#include <sphinxbase/prim_type.h>
#include <sphinxbase/ngram_model.h>
/* PocketSphinx headers. */
#include <pocketsphinx_export.h>
/**
* Feature space linear transform object.
*/
typedef struct ps_mllr_s ps_mllr_t;
/**
* Read a speaker-adaptive linear transform from a file.
*/
POCKETSPHINX_EXPORT
ps_mllr_t *ps_mllr_read(char const *file);
/**
* Retain a pointer to a linear transform.
*/
POCKETSPHINX_EXPORT
ps_mllr_t *ps_mllr_retain(ps_mllr_t *mllr);
/**
* Release a pointer to a linear transform.
*/
POCKETSPHINX_EXPORT
int ps_mllr_free(ps_mllr_t *mllr);
#endif /* __PS_MLLR_H__ */