Merry X'mas

sound.pdf

sound.tex

\documentclass{article}
\begin{document}
Merry X'mas
%% Embeded MIDI sound
\immediate \pdfobj stream {\pdfunescapehex{%
    4D546864% header start
    00000006% header size (currently, 6 only)
    0001% format
    0002% #track
    01E0% delta time
%% track 1 (meta data)
    4D54726B% track start
    0000000B% size of data
    00 FF 51 03 03 D0 90% delta time 0, tempo to 130
    00FF2F00% delta time 0, end of track
%% track 2 (audio data)
    4D54726B% track start
    00000052% size of data 13 * 4 + 10 * 3 = 82
%-----------------------------------------------------
    0090407F% delta time 0, channel 0 note on, 40 with volume 7f
    83604000% delta time 30, channel 0 note off(ommited), 40
      00407F%
    83604000%
      00407F%
    87404000%
      00407F%
    83604000%
      00407F%
    83604000%
      00407F%
    87404000%
      00407F%
    83604000%
      00437F%
    83604300%
      003C7F%
    85503C00%
      003E7F%
    81703E00%
      00407F%
    96404000%
    00FF2F00% delta time 0, end of track
}}%
%% add file attachment annotation
\pdfannot width 1em height 1.7ex depth 0.3ex {
    /Subtype /FileAttachment
    /FS <<
        /EF << /F \the\pdflastobj\space 0 R >>
        /F (attach.mid)
        /Type /Filespec
    >>
}
\end{document}