\documentclass[a4paper,10pt]{book}
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\usepackage{hyperref}
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\newcommand{\rev}{PA1} 
\newcommand{\docno}{ 0000001 }
\title{Practical DSP  \\ \etcdoc revision \rev}
\author{R.P. Clark}

\begin{document}
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\pagestyle{fancy}
\maketitle
%\lhead{}
%\chead{\textbf{Practical DSP}}
%\rhead{}
%\rfoot{\thepage}
%\cfoot{}
%\lfoot{\textbf{\small Practical DSP: \docno Revision: \rev}}


\clearpage

\tableofcontents
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\listoffigures
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\listoftables
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\pagenumbering{arabic}
\rfoot{ \textbf{ Page $\;$ \thepage $\;$  of $\;$ \pageref{LastPage}} }
\chapter{Intro}
\section{Z transforms to difference equations}
\section{Tustins approximation for s transform derived filters}

\chapter{Filter calculations}
\section{Response Plotting}
C programs linked with gnuplot to 
provide response graphs, reasons how works
\section{3 db point}

\chapter{practical considerations}

\section{Word length and precision}
\section{Truncation problems}
\section{B16}

\chapter{Biquad and larger IIR filters}
need tro break them down

\chapter{Custom Z transform derived filters}


\chapter{Deliberately unstable filters and harmonics}
music?
\end{document}