💥 add initial audio diagram

diagram.tex

@@ -0,0 +1,88 @@
+\documentclass[
+  crop,tikz,convert={
+    outext=.svg,
+    command=\unexpanded{
+      pdf2svg \infile\space\outfile
+    }
+  },
+  multi=false]
+{standalone}[2012/04/13]
+
+% \usepackage{tikz}
+%\usetikzlibrary{...}% tikz package already loaded by 'tikz' option above
+\usetikzlibrary{positioning}
+
+\makeatletter
+
+\begin{document}
+
+  \begin{tikzpicture}[
+      rounded corners=2pt,
+      inner sep=5pt,
+      line width=.6pt,
+      node distance=.8cm]
+
+    % background grid & fill
+    % \fill[white] (0,0) rectangle (15,8);
+    \fill[black!40!white] (-9,-9) rectangle (9,9);
+    \draw[step=1cm,gray,very thin] (-9,-9) grid (9,9);
+
+    \node (0) {mixer};
+    \node[right=of 0] {right};
+    \node[below right=of 0] {below right};
+    \node[below=of 0] {below};
+    \node[below left=of 0] {below left};
+    \node[left=of 0] {left};
+    \node[above left=of 0] {above left};
+    \node[above=of 0] {above};
+    \node[above right=of 0] {above right};
+
+    % sources y=7
+    \node (jack) at (0) [draw] {mini-jack};
+    % \node (microphone) at (3.5,7) [draw] {microphone};
+    % \node (soundcard) at (6,7) [draw] {DJ Soundcard};
+
+    % mixer y=5
+    % \node (mixer) at (3.5,5) [draw] {mixer};
+    % \node (mixer) {origin} [draw] {mixer};
+    % \node (headphones) at (6,5) [draw] {headphones};
+
+    % % amps y=3
+    % \node (subamp) at (2,3) [draw] {sub amp};
+    % % \node (topamp) at (5,3) [draw] {top amp};
+
+    % % speakers y=1
+    % \node [draw] (subl) at (1,1) {sub-L};
+    % \node [draw] (subr) at (3,1) {sub-R};
+    % \node [draw] (topl) at (5,1) {top-L};
+    % \node [draw] (topr) at (7,1) {top-R};
+
+    % % wiring (sources - mixer)
+    % \draw (jack.south) -- (mixer.north) node[midway,above] {$C_1$};
+    % \draw (microphone.south) -- (mixer.north) node[midway,above] {$C_2$};
+    % \draw (soundcard.south) -- (mixer.north) node[midway,above] {$C_3$};
+    % \draw (soundcard.south) -- (headphones.north) node[midway,above] {$C_4$};
+
+    % % wiring (amps - speakers)
+    % \draw (mixer.south) -- (topl.north) node[midway,above] {$C_5$};
+    % \draw (mixer.south) -- (topr.north) node[midway,above] {$C_5$};
+    % \draw (mixer.south) -- (subamp.north) node[midway,above] {$C_6$};
+
+    % % wiring (amps - speakers)
+    % \draw (subamp.south) -- (subl.north) node[midway,above] {$C_7$};
+    % \draw (subamp.south) -- (subr.north) node[midway,above] {$C_7$};
+
+    % % cable legend
+    % \node (legend) at (11,4) [draw, text width=6cm] {
+    %   \textbf{Cables} (top to bottom)\\
+    %   $C_1$ - stereo-mini-jack - 2xRCA\\
+    %   $C_2$ - mhicrophone - mono jack\\
+    %   $C_3$ - 2xRCA - 2xRCA\\
+    %   $C_4$ - stereo-jack - headphones\\
+    %   $C_5$ - speakON - speakON\\
+    %   $C_6$ - mono jack - mono jack\\
+    %   $C_7$ - speakON - XLR\\
+    % };
+
+  \end{tikzpicture}
+\end{document}