<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> Channel Type Numberring Scheme</TITLE> <META NAME="GENERATOR" CONTENT="DOC++ 3.4.6"> </HEAD> <body bgcolor="#ffffff" link="#0000ff" vlink="#dd0000" text="#000088" alink="9000ff"> <A HREF = "http://www.cstr.ed.ac.uk/"> <IMG align=left BORDER=0 SRC = "cstr.gif"></A> <A HREF="http://www.cstr.ed.ac.uk/projects/speech_tools.html"> <IMG BORDER=0 ALIGN=right SRC="est.jpg" width=150 height=93></A> <br> <br clear=left> <p align=right> <TABLE BORDER=0><TR> <TD VALIGN=TOP><H2> <A HREF="#DOC.DOCU">Channel Type Numberring Scheme</A></H2></TD></H2></TD></TR></TABLE> <TABLE> <TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelTypeCT"></A> <A HREF=EST_ChannelTypeCT.html><B>EST_ChannelTypeCT</B></A></TD><TD><BR> <I>extract the coefficient type</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelTypeD"></A> <A HREF=EST_ChannelTypeD.html><B>EST_ChannelTypeD</B></A></TD><TD><BR> <I>extract the number of differentiations</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelTypeSE"></A> <A HREF=EST_ChannelTypeSE.html><B>EST_ChannelTypeSE</B></A></TD><TD><BR> <I>extract the start/end flag</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelTypeStart"></A> <A HREF=EST_ChannelTypeStart.html><B>EST_ChannelTypeStart</B></A></TD><TD><BR> <I>get start from end</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelTypeEnd"></A> <A HREF=EST_ChannelTypeEnd.html><B>EST_ChannelTypeEnd</B></A></TD><TD><BR> <I>get end from start</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelTypeIncD"></A> <A HREF=EST_ChannelTypeIncD.html><B>EST_ChannelTypeIncD</B></A></TD><TD><BR> <I>differentiate once</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelTypeDelta"></A> <A HREF=EST_ChannelTypeDelta.html><B>EST_ChannelTypeDelta</B></A></TD><TD><BR> <I>differentiate N times</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelTypeDecD"></A> <A HREF=EST_ChannelTypeDecD.html><B>EST_ChannelTypeDecD</B></A></TD><TD><BR> <I>integrate once</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_CoefChannelId"></A> <A HREF=EST_CoefChannelId.html><B>EST_CoefChannelId</B></A></TD><TD><BR> <I>Build a number representing a channel type for a coeficient type.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_DiffChannelId"></A> <A HREF=EST_DiffChannelId.html><B>EST_DiffChannelId</B></A></TD><TD><BR> <I>Build a number representing a channel type for a single value which can N = count starting from 0 D = Number of levels of differentiation.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="EST_ChannelId"></A> <A HREF=EST_ChannelId.html><B>EST_ChannelId</B></A></TD><TD><BR> <I>Build a number representing a channel type for a simple value such as length or voicing probability</I> </TD></TR> </TABLE> <A NAME="DOC.DOCU"></A> <BLOCKQUOTE> Channel types are given numbers containing the following information: <UL> <LI> A numeric index. <LI> A Number of differentiations 0-2 <LI> 0 for start, 1 for end </UL> Things which do not require all these features are packed in according to the following rules: <UL> <LI> Single values which can be differentiated are paired as if they were start and end positions of an unuknown type of coefficient. <LI> Single vaules which can't be differentiated are put in the positions where the 3rd derivatives would logically be found. </UL></BLOCKQUOTE> <DL><DT><DD></DL><P><P><I><A HREF="index.html">Alphabetic index</A></I> <I><A HREF="HIER.html">Hierarchy of classes</A></I></P><HR> <A HREF = "http://www.ed.ac.uk/"> <IMG align=right BORDER=0 SRC = "edcrest.gif"></A> <P Align=left><I>This page is part of the <A HREF="http://www.cstr.ed.ac.uk/projects/speech_tools.html"> Edinburgh Speech Tools Library</A> documentation <br> Copyright <A HREF="http://www.ed.ac.uk"> University of Edinburgh</A> 1997 <br> Contact: <A HREF="mailto:speech_toolss@cstr.ed.ac.uk"> speech_tools@cstr.ed.ac.uk </a> </P> <br clear=right>