<chapter id='intonation-chapter'> <title>Intonation</title> <indexterm><primary>intonation</primary></indexterm> <para> This section gives an overview of the various programs within the speech tools library that deal in intonation processing. These programs are still a little unstable though some have been used for a number of years. </para> <sect1> <title>Pitch tracking</title> <indexterm><primary>intonation</primary><secondary>pitch tracking</secondary></indexterm> <indexterm><primary>analysis</primary><secondary>pitch tracking</secondary></indexterm> <indexterm><primary>pitch tracking</primary></indexterm> <para> The executable <filename>pda</filename> may be use for pitch tracking speech files. It is based on Paul Bagshaw's pitch tracker @cite{bagshaw93}. </para> </sect1> <sect1> <title>Tilt</title> <para> The speech tools library provides code for the analysis and synthesis of F0 contours using the Tilt intonation model. </para> </sect1> <sect1> <title>RFC</title> <para> to be written </para> <!-- Local Variables: mode: sgml sgml-doctype:"speechtools.sgml" sgml-parent-document:("speechtools.sgml" "chapter" "book") sgml-omittag:nil sgml-shorttag:t sgml-minimize-attributes:nil sgml-always-quote-attributes:t sgml-indent-step:2 sgml-indent-data:t sgml-exposed-tags:nil sgml-local-catalogs:nil sgml-local-ecat-files:nil End: -->