audio-hyperlink-example.tex

\documentclass{beamer}

\usetheme{default}
\usecolortheme{crane}
\usefonttheme{serif}

% the relevant packages for including sound files
\usepackage{multimedia}
\usepackage{graphicx}
\usepackage{attachfile}

\usepackage{hyperref}

\begin{document}

\begin{frame}
\frametitle{Here's a button that plays a sound}

% link to an audio file called "fish.wav" stored in same directory
% when the button is clicked the sound file should play

\begin{center}
\movie[label=fish]{}{fish.wav} % defines the file the movie points to
\hyperlinkmovie{fish}{\beamerbutton{``fish''}} % generate the button with the link around it
\end{center}

\end{frame}

\end{document}

Added the minimal example. BYOAudioFile.