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<h1>src/sphinx_fe/cmd_ln_defn.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* ====================================================================</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 1998-2000 Carnegie Mellon University. All rights </span>
<a name="l00003"></a>00003 <span class="comment"> * reserved.</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the following conditions</span>
<a name="l00007"></a>00007 <span class="comment"> * are met:</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span>
<a name="l00010"></a>00010 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span>
<a name="l00013"></a>00013 <span class="comment"> * notice, this list of conditions and the following disclaimer in</span>
<a name="l00014"></a>00014 <span class="comment"> * the documentation and/or other materials provided with the</span>
<a name="l00015"></a>00015 <span class="comment"> * distribution.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * This work was supported in part by funding from the Defense Advanced </span>
<a name="l00018"></a>00018 <span class="comment"> * Research Projects Agency and the National Science Foundation of the </span>
<a name="l00019"></a>00019 <span class="comment"> * United States of America, and the CMU Sphinx Speech Consortium.</span>
<a name="l00020"></a>00020 <span class="comment"> *</span>
<a name="l00021"></a>00021 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND </span>
<a name="l00022"></a>00022 <span class="comment"> * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, </span>
<a name="l00023"></a>00023 <span class="comment"> * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span>
<a name="l00024"></a>00024 <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY</span>
<a name="l00025"></a>00025 <span class="comment"> * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00026"></a>00026 <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT </span>
<a name="l00027"></a>00027 <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, </span>
<a name="l00028"></a>00028 <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY </span>
<a name="l00029"></a>00029 <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT </span>
<a name="l00030"></a>00030 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE </span>
<a name="l00031"></a>00031 <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00032"></a>00032 <span class="comment"> *</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"> * File: cmd_ln_defn.h</span>
<a name="l00039"></a>00039 <span class="comment"> * </span>
<a name="l00040"></a>00040 <span class="comment"> * Description: </span>
<a name="l00041"></a>00041 <span class="comment"> * Command line argument definition</span>
<a name="l00042"></a>00042 <span class="comment"> *</span>
<a name="l00043"></a>00043 <span class="comment"> * Author: </span>
<a name="l00044"></a>00044 <span class="comment"> * </span>
<a name="l00045"></a>00045 <span class="comment"> *********************************************************************/</span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="preprocessor">#ifndef CMD_LN_DEFN_H</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define CMD_LN_DEFN_H</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span>
<a name="l00050"></a>00050 <span class="preprocessor">#include <sphinxbase/cmd_ln.h></span>
<a name="l00051"></a>00051 <span class="preprocessor">#include <sphinxbase/fe.h></span>
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keyword">const</span> <span class="keywordtype">char</span> helpstr[] =
<a name="l00054"></a>00054 <span class="stringliteral">"Description: \n\</span>
<a name="l00055"></a>00055 <span class="stringliteral">Extract acoustic features form from audio file.\n\</span>
<a name="l00056"></a>00056 <span class="stringliteral">\n\</span>
<a name="l00057"></a>00057 <span class="stringliteral">The main parameters that affect the final output, with typical values, are:\n\</span>
<a name="l00058"></a>00058 <span class="stringliteral">\n\</span>
<a name="l00059"></a>00059 <span class="stringliteral">samprate, typically 8000, 11025, or 16000\n\</span>
<a name="l00060"></a>00060 <span class="stringliteral">lowerf, 130, 200, 130, for the respective sampling rates above\n\</span>
<a name="l00061"></a>00061 <span class="stringliteral">upperf, 3700, 5200, 6800, for the respective sampling rates above\n\</span>
<a name="l00062"></a>00062 <span class="stringliteral">nfilt, 31, 37, 40, for the respective sampling rates above\n\</span>
<a name="l00063"></a>00063 <span class="stringliteral">nfft, 256 or 512\n\</span>
<a name="l00064"></a>00064 <span class="stringliteral">format, raw or nist or mswav\n\</span>
<a name="l00065"></a>00065 <span class="stringliteral">\""</span>;
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keyword">const</span> <span class="keywordtype">char</span> examplestr[] =
<a name="l00068"></a>00068 <span class="stringliteral">"Example: \n\</span>
<a name="l00069"></a>00069 <span class="stringliteral">This example creates a cepstral file named \"output.mfc\" from an input audio file named \"input.raw\", which is a raw audio file (no header information), which was originally sampled at 16kHz. \n\</span>
<a name="l00070"></a>00070 <span class="stringliteral">\n\</span>
<a name="l00071"></a>00071 <span class="stringliteral">sphinx_fe -i input.raw \n\</span>
<a name="l00072"></a>00072 <span class="stringliteral"> -o output.mfc \n\</span>
<a name="l00073"></a>00073 <span class="stringliteral"> -input_endian little \n\</span>
<a name="l00074"></a>00074 <span class="stringliteral"> -samprate 16000 \n\</span>
<a name="l00075"></a>00075 <span class="stringliteral"> -lowerf 130 \n\</span>
<a name="l00076"></a>00076 <span class="stringliteral"> -upperf 6800 \n\</span>
<a name="l00077"></a>00077 <span class="stringliteral"> -nfilt 40 \n\</span>
<a name="l00078"></a>00078 <span class="stringliteral"> -nfft 512"</span>;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">static</span> <a class="code" href="structarg__t.html" title="Argument definition structure.">arg_t</a> defn[] = {
<a name="l00081"></a>00081 { <span class="stringliteral">"-help"</span>,
<a name="l00082"></a>00082 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00083"></a>00083 <span class="stringliteral">"no"</span>,
<a name="l00084"></a>00084 <span class="stringliteral">"Shows the usage of the tool"</span>},
<a name="l00085"></a>00085
<a name="l00086"></a>00086 { <span class="stringliteral">"-example"</span>,
<a name="l00087"></a>00087 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00088"></a>00088 <span class="stringliteral">"no"</span>,
<a name="l00089"></a>00089 <span class="stringliteral">"Shows example of how to use the tool"</span>},
<a name="l00090"></a>00090
<a name="l00091"></a>00091 waveform_to_cepstral_command_line_macro(),
<a name="l00092"></a>00092
<a name="l00093"></a>00093 { <span class="stringliteral">"-argfile"</span>,
<a name="l00094"></a>00094 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00095"></a>00095 NULL,
<a name="l00096"></a>00096 <span class="stringliteral">"Argument file (e.g. feat.params from an acoustic model) to read parameters from. This will override anything set in other command line arguments."</span> },
<a name="l00097"></a>00097
<a name="l00098"></a>00098 { <span class="stringliteral">"-i"</span>,
<a name="l00099"></a>00099 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00100"></a>00100 NULL,
<a name="l00101"></a>00101 <span class="stringliteral">"Single audio input file"</span> },
<a name="l00102"></a>00102
<a name="l00103"></a>00103 { <span class="stringliteral">"-o"</span>,
<a name="l00104"></a>00104 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00105"></a>00105 NULL,
<a name="l00106"></a>00106 <span class="stringliteral">"Single cepstral output file"</span> },
<a name="l00107"></a>00107
<a name="l00108"></a>00108 { <span class="stringliteral">"-c"</span>,
<a name="l00109"></a>00109 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00110"></a>00110 NULL,
<a name="l00111"></a>00111 <span class="stringliteral">"Control file for batch processing"</span> },
<a name="l00112"></a>00112
<a name="l00113"></a>00113 { <span class="stringliteral">"-nskip"</span>,
<a name="l00114"></a>00114 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00115"></a>00115 <span class="stringliteral">"0"</span>,
<a name="l00116"></a>00116 <span class="stringliteral">"If a control file was specified, the number of utterances to skip at the head of the file"</span> },
<a name="l00117"></a>00117
<a name="l00118"></a>00118 { <span class="stringliteral">"-runlen"</span>,
<a name="l00119"></a>00119 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00120"></a>00120 <span class="stringliteral">"-1"</span>,
<a name="l00121"></a>00121 <span class="stringliteral">"If a control file was specified, the number of utterances to process, or -1 for all"</span> },
<a name="l00122"></a>00122
<a name="l00123"></a>00123 { <span class="stringliteral">"-part"</span>,
<a name="l00124"></a>00124 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00125"></a>00125 <span class="stringliteral">"0"</span>,
<a name="l00126"></a>00126 <span class="stringliteral">"Index of the part to run (supersedes -nskip and -runlen if non-zero)"</span> },
<a name="l00127"></a>00127
<a name="l00128"></a>00128 { <span class="stringliteral">"-npart"</span>,
<a name="l00129"></a>00129 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00130"></a>00130 <span class="stringliteral">"0"</span>,
<a name="l00131"></a>00131 <span class="stringliteral">"Number of parts to run in (supersedes -nskip and -runlen if non-zero)"</span> },
<a name="l00132"></a>00132
<a name="l00133"></a>00133 { <span class="stringliteral">"-di"</span>,
<a name="l00134"></a>00134 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00135"></a>00135 NULL,
<a name="l00136"></a>00136 <span class="stringliteral">"Input directory, input file names are relative to this, if defined"</span> },
<a name="l00137"></a>00137
<a name="l00138"></a>00138 { <span class="stringliteral">"-ei"</span>,
<a name="l00139"></a>00139 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00140"></a>00140 NULL,
<a name="l00141"></a>00141 <span class="stringliteral">"Input extension to be applied to all input files"</span> },
<a name="l00142"></a>00142
<a name="l00143"></a>00143 { <span class="stringliteral">"-do"</span>,
<a name="l00144"></a>00144 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00145"></a>00145 NULL,
<a name="l00146"></a>00146 <span class="stringliteral">"Output directory, output files are relative to this"</span> },
<a name="l00147"></a>00147
<a name="l00148"></a>00148 { <span class="stringliteral">"-eo"</span>,
<a name="l00149"></a>00149 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00150"></a>00150 NULL,
<a name="l00151"></a>00151 <span class="stringliteral">"Output extension to be applied to all output files"</span> },
<a name="l00152"></a>00152
<a name="l00153"></a>00153 { <span class="stringliteral">"-build_outdirs"</span>,
<a name="l00154"></a>00154 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00155"></a>00155 <span class="stringliteral">"yes"</span>,
<a name="l00156"></a>00156 <span class="stringliteral">"Create missing subdirectories in output directory"</span> },
<a name="l00157"></a>00157
<a name="l00158"></a>00158 { <span class="stringliteral">"-sph2pipe"</span>,
<a name="l00159"></a>00159 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00160"></a>00160 <span class="stringliteral">"no"</span>,
<a name="l00161"></a>00161 <span class="stringliteral">"Input is NIST sphere (possibly with Shorten), use sph2pipe to convert"</span> },
<a name="l00162"></a>00162
<a name="l00163"></a>00163 { <span class="stringliteral">"-nist"</span>,
<a name="l00164"></a>00164 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00165"></a>00165 <span class="stringliteral">"no"</span>,
<a name="l00166"></a>00166 <span class="stringliteral">"Defines input format as NIST sphere"</span> },
<a name="l00167"></a>00167
<a name="l00168"></a>00168 { <span class="stringliteral">"-raw"</span>,
<a name="l00169"></a>00169 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00170"></a>00170 <span class="stringliteral">"no"</span>,
<a name="l00171"></a>00171 <span class="stringliteral">"Defines input format as raw binary data"</span> },
<a name="l00172"></a>00172
<a name="l00173"></a>00173 { <span class="stringliteral">"-mswav"</span>,
<a name="l00174"></a>00174 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00175"></a>00175 <span class="stringliteral">"no"</span>,
<a name="l00176"></a>00176 <span class="stringliteral">"Defines input format as Microsoft Wav (RIFF)"</span> },
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="preprocessor">#ifdef HAVE_SNDFILE_H</span>
<a name="l00179"></a>00179 <span class="preprocessor"></span> { <span class="stringliteral">"-sndfile"</span>,
<a name="l00180"></a>00180 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00181"></a>00181 <span class="stringliteral">"no"</span>,
<a name="l00182"></a>00182 <span class="stringliteral">"Use libsndfile to read input data"</span> },
<a name="l00183"></a>00183 <span class="preprocessor">#endif</span>
<a name="l00184"></a>00184 <span class="preprocessor"></span>
<a name="l00185"></a>00185 { <span class="stringliteral">"-nchans"</span>,
<a name="l00186"></a>00186 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00187"></a>00187 <span class="stringliteral">"1"</span>,
<a name="l00188"></a>00188 <span class="stringliteral">"Number of channels of data (interlaced samples assumed)"</span> },
<a name="l00189"></a>00189
<a name="l00190"></a>00190 { <span class="stringliteral">"-whichchan"</span>,
<a name="l00191"></a>00191 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00192"></a>00192 <span class="stringliteral">"0"</span>,
<a name="l00193"></a>00193 <span class="stringliteral">"Channel to process (numbered from 1), or 0 to mix all channels"</span> },
<a name="l00194"></a>00194
<a name="l00195"></a>00195 { <span class="stringliteral">"-ofmt"</span>,
<a name="l00196"></a>00196 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00197"></a>00197 <span class="stringliteral">"sphinx"</span>,
<a name="l00198"></a>00198 <span class="stringliteral">"Format of output files - one of sphinx, htk, text."</span> },
<a name="l00199"></a>00199
<a name="l00200"></a>00200 { <span class="stringliteral">"-mach_endian"</span>,
<a name="l00201"></a>00201 <a class="code" href="cmd__ln_8h.html#a4de5ed5fcf59a18b24bc9f6449cc9356" title="String argument (optional).">ARG_STRING</a>,
<a name="l00202"></a>00202 <span class="preprocessor">#ifdef WORDS_BIGENDIAN</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span> <span class="stringliteral">"big"</span>,
<a name="l00204"></a>00204 <span class="preprocessor">#else</span>
<a name="l00205"></a>00205 <span class="preprocessor"></span> <span class="stringliteral">"little"</span>,
<a name="l00206"></a>00206 <span class="preprocessor">#endif</span>
<a name="l00207"></a>00207 <span class="preprocessor"></span> <span class="stringliteral">"Endianness of machine, big or little"</span> },
<a name="l00208"></a>00208
<a name="l00209"></a>00209 { <span class="stringliteral">"-blocksize"</span>,
<a name="l00210"></a>00210 <a class="code" href="cmd__ln_8h.html#a7ca1061dca6e8d4e7882bcefe1d15722">ARG_INT32</a>,
<a name="l00211"></a>00211 <span class="stringliteral">"2048"</span>,
<a name="l00212"></a>00212 <span class="stringliteral">"Number of samples to read at a time."</span> },
<a name="l00213"></a>00213
<a name="l00214"></a>00214 { <span class="stringliteral">"-spec2cep"</span>,
<a name="l00215"></a>00215 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00216"></a>00216 <span class="stringliteral">"no"</span>,
<a name="l00217"></a>00217 <span class="stringliteral">"Input is log spectral files, output is cepstral files"</span> },
<a name="l00218"></a>00218
<a name="l00219"></a>00219 { <span class="stringliteral">"-cep2spec"</span>,
<a name="l00220"></a>00220 <a class="code" href="cmd__ln_8h.html#ac7d08ff59bb6905c3375162e75913e88" title="Boolean (true/false) argument (optional).">ARG_BOOLEAN</a>,
<a name="l00221"></a>00221 <span class="stringliteral">"no"</span>,
<a name="l00222"></a>00222 <span class="stringliteral">"Input is cepstral files, output is log spectral files"</span> },
<a name="l00223"></a>00223
<a name="l00224"></a>00224 { NULL, 0, NULL, NULL }
<a name="l00225"></a>00225 };
<a name="l00226"></a>00226
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="preprocessor">#define CMD_LN_DEFN_H</span>
<a name="l00229"></a>00229 <span class="preprocessor"></span>
<a name="l00230"></a>00230 <span class="preprocessor">#endif </span><span class="comment">/* CMD_LN_DEFN_H */</span>
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="comment">/*</span>
<a name="l00233"></a>00233 <span class="comment"> * Log record. Maintained by RCS.</span>
<a name="l00234"></a>00234 <span class="comment"> *</span>
<a name="l00235"></a>00235 <span class="comment"> * $Log: cmd_ln_defn.h,v $</span>
<a name="l00236"></a>00236 <span class="comment"> * Revision 1.7 2006/02/25 00:53:48 egouvea</span>
<a name="l00237"></a>00237 <span class="comment"> * Added the flag "-seed". If dither is being used and the seed is less</span>
<a name="l00238"></a>00238 <span class="comment"> * than zero, the random number generator is initialized with time(). If</span>
<a name="l00239"></a>00239 <span class="comment"> * it is at least zero, it's initialized with the provided seed. This way</span>
<a name="l00240"></a>00240 <span class="comment"> * we have the benefit of having dither, and the benefit of being</span>
<a name="l00241"></a>00241 <span class="comment"> * repeatable.</span>
<a name="l00242"></a>00242 <span class="comment"> *</span>
<a name="l00243"></a>00243 <span class="comment"> * This is consistent with what sphinx3 does. Well, almost. The random</span>
<a name="l00244"></a>00244 <span class="comment"> * number generator is still what the compiler provides.</span>
<a name="l00245"></a>00245 <span class="comment"> *</span>
<a name="l00246"></a>00246 <span class="comment"> * Also, moved fe_init_params to fe_interface.c, so one can initialize a</span>
<a name="l00247"></a>00247 <span class="comment"> * variable of type param_t with meaningful values.</span>
<a name="l00248"></a>00248 <span class="comment"> *</span>
<a name="l00249"></a>00249 <span class="comment"> * Revision 1.6 2006/02/17 00:31:34 egouvea</span>
<a name="l00250"></a>00250 <span class="comment"> * Removed switch -melwarp. Changed the default for window length to</span>
<a name="l00251"></a>00251 <span class="comment"> * 0.025625 from 0.256 (so that a window at 16kHz sampling rate has</span>
<a name="l00252"></a>00252 <span class="comment"> * exactly 410 samples). Cleaned up include's. Replaced some E_FATAL()</span>
<a name="l00253"></a>00253 <span class="comment"> * with E_WARN() and return.</span>
<a name="l00254"></a>00254 <span class="comment"> *</span>
<a name="l00255"></a>00255 <span class="comment"> * Revision 1.5 2006/02/16 00:18:26 egouvea</span>
<a name="l00256"></a>00256 <span class="comment"> * Implemented flexible warping function. The user can specify at run</span>
<a name="l00257"></a>00257 <span class="comment"> * time which of several shapes they want to use. Currently implemented</span>
<a name="l00258"></a>00258 <span class="comment"> * are an affine function (y = ax + b), an inverse linear (y = a/x) and a</span>
<a name="l00259"></a>00259 <span class="comment"> * piecewise linear (y = ax, up to a frequency F, and then it "breaks" so</span>
<a name="l00260"></a>00260 <span class="comment"> * Nyquist frequency matches in both scales.</span>
<a name="l00261"></a>00261 <span class="comment"> *</span>
<a name="l00262"></a>00262 <span class="comment"> * Added two switches, -warp_type and -warp_params. The first specifies</span>
<a name="l00263"></a>00263 <span class="comment"> * the type, which valid values:</span>
<a name="l00264"></a>00264 <span class="comment"> *</span>
<a name="l00265"></a>00265 <span class="comment"> * -inverse or inverse_linear</span>
<a name="l00266"></a>00266 <span class="comment"> * -linear or affine</span>
<a name="l00267"></a>00267 <span class="comment"> * -piecewise or piecewise_linear</span>
<a name="l00268"></a>00268 <span class="comment"> *</span>
<a name="l00269"></a>00269 <span class="comment"> * The inverse_linear is the same as implemented by EHT. The -mel_warp</span>
<a name="l00270"></a>00270 <span class="comment"> * switch was kept for compatibility (maybe remove it in the</span>
<a name="l00271"></a>00271 <span class="comment"> * future?). The code is compatible with EHT's changes: cepstra created</span>
<a name="l00272"></a>00272 <span class="comment"> * from code after his changes should be the same as now. Scripts that</span>
<a name="l00273"></a>00273 <span class="comment"> * worked with his changes should work now without changes. Tested a few</span>
<a name="l00274"></a>00274 <span class="comment"> * cases, same results.</span>
<a name="l00275"></a>00275 <span class="comment"> *</span>
<a name="l00276"></a>00276 <span class="comment"> * Revision 1.4 2006/02/14 20:56:54 eht</span>
<a name="l00277"></a>00277 <span class="comment"> * Implement an argument -melwarp that changes the standard mel-scale</span>
<a name="l00278"></a>00278 <span class="comment"> * equation from:</span>
<a name="l00279"></a>00279 <span class="comment"> * M(f) = 2595 * log10( 1 + f/700 )</span>
<a name="l00280"></a>00280 <span class="comment"> * to:</span>
<a name="l00281"></a>00281 <span class="comment"> * M(f,w) = 2595 * log10( 1 + f/(700*w))</span>
<a name="l00282"></a>00282 <span class="comment"> *</span>
<a name="l00283"></a>00283 <span class="comment"> * So, 1.0 means no warp, w > 1.0 means linear compression w < 1.0 means</span>
<a name="l00284"></a>00284 <span class="comment"> * linear expansion.</span>
<a name="l00285"></a>00285 <span class="comment"> *</span>
<a name="l00286"></a>00286 <span class="comment"> * Implement argument -nskip and -runlen arguments so that a subset of the</span>
<a name="l00287"></a>00287 <span class="comment"> * utterances in the control file can be executed. Allows a simple</span>
<a name="l00288"></a>00288 <span class="comment"> * distribution of wave2feat processing over N processors.</span>
<a name="l00289"></a>00289 <span class="comment"> *</span>
<a name="l00290"></a>00290 <span class="comment"> * Revision 1.3 2005/05/19 21:21:55 egouvea</span>
<a name="l00291"></a>00291 <span class="comment"> * Bug #1176394: example bug</span>
<a name="l00292"></a>00292 <span class="comment"> *</span>
<a name="l00293"></a>00293 <span class="comment"> * Revision 1.2 2004/11/23 04:14:06 egouvea</span>
<a name="l00294"></a>00294 <span class="comment"> * Fixed bug in cmd_ln.c in which a wrong boolean argument led into an</span>
<a name="l00295"></a>00295 <span class="comment"> * infinite loop, and fixed the help and example strings, getting rid of</span>
<a name="l00296"></a>00296 <span class="comment"> * spaces, so that the appearance is better.</span>
<a name="l00297"></a>00297 <span class="comment"> *</span>
<a name="l00298"></a>00298 <span class="comment"> * Revision 1.1 2004/09/09 17:59:30 egouvea</span>
<a name="l00299"></a>00299 <span class="comment"> * Adding missing files to wave2feat</span>
<a name="l00300"></a>00300 <span class="comment"> *</span>
<a name="l00301"></a>00301 <span class="comment"> *</span>
<a name="l00302"></a>00302 <span class="comment"> *</span>
<a name="l00303"></a>00303 <span class="comment"> */</span>
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