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Diffstat (limited to 'media/pocketsphinx/ps_mllr.h')
-rw-r--r-- | media/pocketsphinx/ps_mllr.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/media/pocketsphinx/ps_mllr.h b/media/pocketsphinx/ps_mllr.h new file mode 100644 index 000000000..fcf097e9d --- /dev/null +++ b/media/pocketsphinx/ps_mllr.h @@ -0,0 +1,75 @@ +/* -*- 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__ */ |