📄 soundex.html

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<H1>soundex</H1>
<P>
(algorithm)

<P>
<strong>Definition:</strong>
An algorithm to code people's surnames phonetically by reducing them to the first letter and up to three digits, where each digit is one of six consonant sounds.  This reduces matching problems from different spellings.
<P><strong>See also</strong>
<a href="metaphone.html" tppabs="http://hissa.nist.gov/dads/HTML/metaphone.html"><em>metaphone</em></a>.
<P><em>Note:
The algorithm was devised to code names recorded in US census records.  The standard algorithm works best on European names. Variants have been devised for names from other cultures.</em>
<P>Author: <a href="terms.html#authorPEB" tppabs="http://hissa.nist.gov/dads/terms.html#authorPEB">PEB</a>
<H2>Implementation</H2>
<A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://physics.nist.gov/cuu/Reference/soundex.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://physics.nist.gov/cuu/Reference/soundex.html'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://physics.nist.gov/cuu/Reference/soundex.html">(C)</A>, <A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.cimorelli.com/pie/nara/sounde11.htm  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.cimorelli.com/pie/nara/sounde11.htm'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.cimorelli.com/pie/nara/sounde11.htm">embedded in page source (JavaScript)</A>
<H2>More information</H2>
<A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.nara.gov/genealogy/coding.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.nara.gov/genealogy/coding.html'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.nara.gov/genealogy/coding.html">Soundex Indexing System</A> with links to encoders and more information, <A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.tjp.washington.edu/bdm/genealogy/overviewofsoundex.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.tjp.washington.edu/bdm/genealogy/overviewofsoundex.html'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.tjp.washington.edu/bdm/genealogy/overviewofsoundex.html">Overview of Soundex</A>, and <A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.outfitters.com/genealogy/what-soundex.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.outfitters.com/genealogy/what-soundex.html'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.outfitters.com/genealogy/what-soundex.html">What is Soundex?</a>.

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Go to the
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If you have suggestions, corrections, or comments, please get in touch
with
<a href="javascript:if(confirm('http://hissa.nist.gov/~black/black.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://hissa.nist.gov/~black/black.html'" tppabs="http://hissa.nist.gov/~black/black.html">Paul E. Black</a>
&nbsp;(<a href="mailto:paul.black@nist.gov">paul.black@nist.gov</a>).

<p>
Entry modified Tue May 25 09:36:51 1999.<BR>
HTML page formatted Wed Dec 22 09:36:33 1999.

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