<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> Linear Prediction functions</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">Linear Prediction functions</A></H2></TD></H2></TD></TR></TABLE> <TABLE> <TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="sig2lpc"></A> <A HREF=sig2lpc.html><B>sig2lpc</B></A></TD><TD><BR> <I>Produce the full set of linear prediction coefficients from a frame of speech waveform.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="lpc2cep"></A> <A HREF=lpc2cep.html><B>lpc2cep</B></A></TD><TD><BR> <I>Calulate cepstral coefficients from lpc coefficients.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="sig2lpc"></A> <A HREF=sig2lpc.2.html><B>sig2lpc</B></A></TD><TD><BR> <I>Produce a set linear prediction coefficients from a frame of speech waveform.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="sig2ref"></A> <A HREF=sig2ref.html><B>sig2ref</B></A></TD><TD><BR> <I>Produce a set of reflection coefficients from a frame of speech waveform.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="Area Functions"></A> <A HREF=AreaFunctions.html><B>Area Functions</B></A></TD><TD><BR> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="lpc2ref"></A> <A HREF=lpc2ref.html><B>lpc2ref</B></A></TD><TD><BR> <I>Calculate the reflection coefficients from the lpc coefficients.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="ref2lpc"></A> <A HREF=ref2lpc.html><B>ref2lpc</B></A></TD><TD><BR> <I>Calculate the linear prediction coefficients from the reflection coefficients.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="lpc2lsf"></A> <A HREF=lpc2lsf.html><B>lpc2lsf</B></A></TD><TD><BR> <I>Calculate line spectral frequencies from linear prediction coefficients.</I> </TD></TR><TR><TD VALIGN=TOP> <IMG ALT="o" BORDER=0 SRC=icon1.gif><A NAME="lsf2lpc"></A> <A HREF=lsf2lpc.html><B>lsf2lpc</B></A></TD><TD><BR> <I>Calculate line spectral frequencies from linear prediction coefficients.</I> </TD></TR> </TABLE> <A NAME="DOC.DOCU"></A> <BLOCKQUOTE>Including, generation of coefficients from the signal, reflection coefficients, line spectral frequencies, areas.</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>