\documentclass[pdftex,12pt,a4paper]{article}
\usepackage{attachfile}
\usepackage[pdftex]{graphicx}
\begin{document}
\pagenumbering{gobble}
\textattachfile[mimetype=audio/wav,created=D:2012042200000000'00',modified=D:2012042200000000'00']{./kop-echo.wav}{\includegraphics[scale=0.25]{./geluidspictogram.png}}
\end{document}
Embedding a (sound) file using the attach package works, but the only reason for me not implementing it is that the resulting PDF file shows an ugly empty comments square (I don't need) when I hover over the embedded icon. Can this be suppressed, or is this just the way Acrobat Reader works?
