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<h1>src/libpocketsphinx/s2_semi_mgau.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/* ====================================================================</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 1999-2004 Carnegie Mellon University. All rights</span>
<a name="l00004"></a>00004 <span class="comment"> * reserved.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00007"></a>00007 <span class="comment"> * modification, are permitted provided that the following conditions</span>
<a name="l00008"></a>00008 <span class="comment"> * are met:</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
<a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
<a name="l00014"></a>00014 <span class="comment"> * notice, this list of conditions and the following disclaimer in</span>
<a name="l00015"></a>00015 <span class="comment"> * the documentation and/or other materials provided with the</span>
<a name="l00016"></a>00016 <span class="comment"> * distribution.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * This work was supported in part by funding from the Defense Advanced </span>
<a name="l00019"></a>00019 <span class="comment"> * Research Projects Agency and the National Science Foundation of the </span>
<a name="l00020"></a>00020 <span class="comment"> * United States of America, and the CMU Sphinx Speech Consortium.</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND </span>
<a name="l00023"></a>00023 <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span>
<a name="l00024"></a>00024 <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
<a name="l00025"></a>00025 <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span>
<a name="l00026"></a>00026 <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00027"></a>00027 <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span>
<a name="l00028"></a>00028 <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span>
<a name="l00029"></a>00029 <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span>
<a name="l00030"></a>00030 <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span>
<a name="l00031"></a>00031 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span>
<a name="l00032"></a>00032 <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00033"></a>00033 <span class="comment"> *</span>
<a name="l00034"></a>00034 <span class="comment"> * ====================================================================</span>
<a name="l00035"></a>00035 <span class="comment"> *</span>
<a name="l00036"></a>00036 <span class="comment"> */</span>
<a name="l00037"></a>00037 <span class="comment">/*</span>
<a name="l00038"></a>00038 <span class="comment"> * Interface for "semi-continuous vector quantization", a.k.a. Sphinx2</span>
<a name="l00039"></a>00039 <span class="comment"> * fast GMM computation.</span>
<a name="l00040"></a>00040 <span class="comment"> */</span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="preprocessor">#ifndef __S2_SEMI_MGAU_H__</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#define __S2_SEMI_MGAU_H__</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span>
<a name="l00045"></a>00045 <span class="comment">/* SphinxBase headesr. */</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include <sphinxbase/fe.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#include <sphinxbase/logmath.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#include <sphinxbase/mmio.h></span>
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">/* Local headers. */</span>
<a name="l00051"></a>00051 <span class="preprocessor">#include "<a class="code" href="acmod_8h.html" title="Acoustic model structures for PocketSphinx.">acmod.h</a>"</span>
<a name="l00052"></a>00052 <span class="preprocessor">#include "<a class="code" href="hmm_8h.html" title="Implementation of HMM base structure.">hmm.h</a>"</span>
<a name="l00053"></a>00053 <span class="preprocessor">#include "<a class="code" href="bin__mdef_8h.html" title="Binary format model definition files, with support for heterogeneous topologies and variable-size N-p...">bin_mdef.h</a>"</span>
<a name="l00054"></a>00054 <span class="preprocessor">#include "<a class="code" href="ms__gauden_8h.html" title="(Sphinx 3.0 specific) Gaussian density module.">ms_gauden.h</a>"</span>
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structvqFeature__s.html">vqFeature_s</a> <a class="code" href="structvqFeature__s.html">vqFeature_t</a>;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structs2__semi__mgau__s.html">s2_semi_mgau_s</a> <a class="code" href="structs2__semi__mgau__s.html">s2_semi_mgau_t</a>;
<a name="l00059"></a><a class="code" href="structs2__semi__mgau__s.html">00059</a> <span class="keyword">struct </span><a class="code" href="structs2__semi__mgau__s.html">s2_semi_mgau_s</a> {
<a name="l00060"></a><a class="code" href="structs2__semi__mgau__s.html#a9002aae86249006f0b045e5203ec9687">00060</a> <a class="code" href="structps__mgau__s.html">ps_mgau_t</a> <a class="code" href="structs2__semi__mgau__s.html#a9002aae86249006f0b045e5203ec9687" title="base structure.">base</a>;
<a name="l00061"></a>00061 cmd_ln_t *config; <span class="comment">/* configuration parameters */</span>
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <a class="code" href="structgauden__t.html" title="Multivariate gaussian mixture density parameters.">gauden_t</a> *g; <span class="comment">/* Set of Gaussians (pointers below point in here and will go away soon) */</span>
<a name="l00064"></a>00064 mfcc_t ***means; <span class="comment">/* mean vectors foreach feature, density */</span>
<a name="l00065"></a>00065 mfcc_t ***vars; <span class="comment">/* inverse var vectors foreach feature, density */</span>
<a name="l00066"></a>00066 mfcc_t **dets; <span class="comment">/* det values foreach cb, feature */</span>
<a name="l00067"></a>00067
<a name="l00068"></a>00068 uint8 ***mixw; <span class="comment">/* mixture weight distributions */</span>
<a name="l00069"></a>00069 mmio_file_t *sendump_mmap;<span class="comment">/* memory map for mixw (or NULL if not mmap) */</span>
<a name="l00070"></a>00070
<a name="l00071"></a>00071 uint8 *mixw_cb; <span class="comment">/* mixture weight codebook, if any (assume it contains 16 values) */</span>
<a name="l00072"></a>00072 int32 *veclen; <span class="comment">/* Length of feature streams */</span>
<a name="l00073"></a>00073 int16 n_feat; <span class="comment">/* Number of feature streams */</span>
<a name="l00074"></a>00074 int16 n_density; <span class="comment">/* Number of mixtures per codebook */</span>
<a name="l00075"></a>00075 int32 n_sen; <span class="comment">/* Number of senones */</span>
<a name="l00076"></a>00076 uint8 *topn_beam; <span class="comment">/* Beam for determining per-frame top-N densities */</span>
<a name="l00077"></a>00077 int16 max_topn;
<a name="l00078"></a>00078 int16 ds_ratio;
<a name="l00079"></a>00079
<a name="l00080"></a><a class="code" href="structs2__semi__mgau__s.html#a8892e22acbf81b08972cb6d7968ed4ce">00080</a> <a class="code" href="structvqFeature__s.html">vqFeature_t</a> ***<a class="code" href="structs2__semi__mgau__s.html#a8892e22acbf81b08972cb6d7968ed4ce" title="Top-N scores and codewords for past frames.">topn_hist</a>;
<a name="l00081"></a><a class="code" href="structs2__semi__mgau__s.html#acfe1e5d43a25418ef19afba837f85cf7">00081</a> uint8 **<a class="code" href="structs2__semi__mgau__s.html#acfe1e5d43a25418ef19afba837f85cf7" title="Variable top-N for past frames.">topn_hist_n</a>;
<a name="l00082"></a><a class="code" href="structs2__semi__mgau__s.html#ad8cb7f058bcc7402dd6a41c61f1b26e5">00082</a> <a class="code" href="structvqFeature__s.html">vqFeature_t</a> **<a class="code" href="structs2__semi__mgau__s.html#ad8cb7f058bcc7402dd6a41c61f1b26e5" title="Topn-N for currently scoring frame.">f</a>;
<a name="l00083"></a><a class="code" href="structs2__semi__mgau__s.html#a3cbc9fe683da5b7befe6b2712adae327">00083</a> <span class="keywordtype">int</span> <a class="code" href="structs2__semi__mgau__s.html#a3cbc9fe683da5b7befe6b2712adae327" title="Number of past frames tracked.">n_topn_hist</a>;
<a name="l00085"></a>00085 <span class="comment">/* Log-add table for compressed values. */</span>
<a name="l00086"></a>00086 logmath_t *lmath_8b;
<a name="l00087"></a>00087 <span class="comment">/* Log-add object for reloading means/variances. */</span>
<a name="l00088"></a>00088 logmath_t *lmath;
<a name="l00089"></a>00089 };
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <a class="code" href="structps__mgau__s.html">ps_mgau_t</a> *s2_semi_mgau_init(<a class="code" href="structacmod__s.html" title="Acoustic model structure.">acmod_t</a> *acmod);
<a name="l00092"></a>00092 <span class="keywordtype">void</span> s2_semi_mgau_free(<a class="code" href="structps__mgau__s.html">ps_mgau_t</a> *s);
<a name="l00093"></a>00093 <span class="keywordtype">int</span> s2_semi_mgau_frame_eval(<a class="code" href="structps__mgau__s.html">ps_mgau_t</a> *s,
<a name="l00094"></a>00094 int16 *senone_scores,
<a name="l00095"></a>00095 uint8 *senone_active,
<a name="l00096"></a>00096 int32 n_senone_active,
<a name="l00097"></a>00097 mfcc_t **featbuf,
<a name="l00098"></a>00098 int32 frame,
<a name="l00099"></a>00099 int32 compallsen);
<a name="l00100"></a>00100 <span class="keywordtype">int</span> s2_semi_mgau_mllr_transform(<a class="code" href="structps__mgau__s.html">ps_mgau_t</a> *s,
<a name="l00101"></a>00101 <a class="code" href="structps__mllr__s.html" title="Feature space linear transform structure.">ps_mllr_t</a> *mllr);
<a name="l00102"></a>00102
<a name="l00103"></a>00103
<a name="l00104"></a>00104 <span class="preprocessor">#endif </span><span class="comment">/* __S2_SEMI_MGAU_H__ */</span>
</pre></div></div>
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