\chapter{Multimedia Services}

The modules described in this chapter implement various algorithms or
interfaces that are mainly useful for multimedia applications.  They
are available at the discretion of the installation.  Here's an overview:

\begin{description}

\item[audioop]
--- Manipulate raw audio data.

\item[imageop]
--- Manipulate raw image data.

\item[aifc]
--- Read and write audio files in AIFF or AIFC format.

\item[jpeg]
--- Read and write image files in compressed JPEG format.

\item[rgbimg]
--- Read and write image files in ``SGI RGB'' format (the module is
\emph{not} SGI specific though)!

\item[imghdr]
--- Determine the type of image contained in a file or byte stream.

\end{description}