<HTML ><HEAD ><TITLE >Speech Recognition HOWTO</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="NEXT" TITLE="Legal Notices" HREF="legal.html"></HEAD ><BODY CLASS="ARTICLE" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="ARTICLE" ><DIV CLASS="TITLEPAGE" ><H1 CLASS="TITLE" ><A NAME="AEN2">Speech Recognition HOWTO</H1 ><H3 CLASS="AUTHOR" ><A NAME="AEN4" >Stephen Cook</A ></H3 ><DIV CLASS="AFFILIATION" ><DIV CLASS="ADDRESS" ><P CLASS="ADDRESS" > scook@gear21.com<br> </P ></DIV ></DIV ><DIV CLASS="REVHISTORY" ><TABLE WIDTH="100%" BORDER="0" ><TR ><TH ALIGN="LEFT" VALIGN="TOP" COLSPAN="3" ><B >Revision History</B ></TH ></TR ><TR ><TD ALIGN="LEFT" >Revision v2.0</TD ><TD ALIGN="LEFT" >April 19, 2002</TD ><TD ALIGN="LEFT" >Revised by: scc</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >Changed license information (now GFDL) and added a new publication.</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision v1.2</TD ><TD ALIGN="LEFT" >February 5, 2002</TD ><TD ALIGN="LEFT" >Revised by: scc</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >Added more commercial software listings (sent by Mayur Patel).</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision v1.1</TD ><TD ALIGN="LEFT" >October 5, 2001</TD ><TD ALIGN="LEFT" >Revised by: scc</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >Added info for Vocalis Speechware. Fixed/Updated various other items.</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision v1.0</TD ><TD ALIGN="LEFT" >November 20, 2000</TD ><TD ALIGN="LEFT" >Revised by: scc</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >Added info on L and H and HTK</TD ></TR ><TR ><TD ALIGN="LEFT" >Revision v0.5</TD ><TD ALIGN="LEFT" >September 13, 2000</TD ><TD ALIGN="LEFT" >Revised by: scc</TD ></TR ><TR ><TD ALIGN="LEFT" COLSPAN="3" >Initial HOWTO Submission</TD ></TR ></TABLE ></DIV ><DIV ><DIV CLASS="ABSTRACT" ><A NAME="AEN36"><P ></P ><P >Automatic Speech Recognition (ASR) on Linux is becoming easier. Several packages are available for users as well as developers. This document describes the basics of speech recognition and describes some of the available software. </P ><P ></P ></DIV ></DIV ><HR></DIV ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT >1. <A HREF="legal.html" >Legal Notices</A ></DT ><DD ><DL ><DT >1.1. <A HREF="legal.html#COPYRIGHT" >Copyright/License</A ></DT ><DT >1.2. <A HREF="legal.html#DISCLAIMER" >Disclaimer</A ></DT ><DT >1.3. <A HREF="legal.html#TRADEMARKS" >Trademarks</A ></DT ></DL ></DD ><DT >2. <A HREF="forward.html" >Forward</A ></DT ><DD ><DL ><DT >2.1. <A HREF="forward.html#ABOUT" >About This Document</A ></DT ><DT >2.2. <A HREF="forward.html#ACKNOWLEDGEMENTS" >Acknowledgements</A ></DT ><DT >2.3. <A HREF="forward.html#COMMENTS" >Comments/Updates/Feedback</A ></DT ><DT >2.4. <A HREF="forward.html#TODO" >ToDo</A ></DT ><DT >2.5. <A HREF="forward.html#REVISION" >Revision History</A ></DT ></DL ></DD ><DT >3. <A HREF="introduction.html" >Introduction</A ></DT ><DD ><DL ><DT >3.1. <A HREF="introduction.html#BASICS" >Speech Recognition Basics</A ></DT ><DT >3.2. <A HREF="introduction.html#TYPES" >Types of Speech Recognition</A ></DT ><DT >3.3. <A HREF="introduction.html#USES" >Uses and Applications</A ></DT ></DL ></DD ><DT >4. <A HREF="hardware.html" >Hardware</A ></DT ><DD ><DL ><DT >4.1. <A HREF="hardware.html#SOUNDCARDS" >Sound Cards</A ></DT ><DT >4.2. <A HREF="hardware.html#MICROPHONES" >Microphones</A ></DT ><DT >4.3. <A HREF="hardware.html#COMPUTERS" >Computers/Processors</A ></DT ></DL ></DD ><DT >5. <A HREF="software.html" >Speech Recognition Software</A ></DT ><DD ><DL ><DT >5.1. <A HREF="software.html#FREESOFTWARE" >Free Software</A ></DT ><DT >5.2. <A HREF="software.html#COMSOFTWARE" >Commercial Software</A ></DT ></DL ></DD ><DT >6. <A HREF="inside.html" >Inside Speech Recognition</A ></DT ><DD ><DL ><DT >6.1. <A HREF="inside.html#RECOGNIZERS" >How Recognizers Work</A ></DT ><DT >6.2. <A HREF="inside.html#DIGITALAUDIO" >Digital Audio Basics</A ></DT ></DL ></DD ><DT >7. <A HREF="publications.html" >Publications</A ></DT ><DD ><DL ><DT >7.1. <A HREF="publications.html#BOOKS" >Books</A ></DT ><DT >7.2. <A HREF="publications.html#INTERNET" >Internet</A ></DT ></DL ></DD ></DL ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" > </TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="legal.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" > </TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Legal Notices</TD ></TR ></TABLE ></DIV ></BODY ></HTML >