22. 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:

* 22.1. "audioop" --- Manipulate raw audio data

* 22.2. "aifc" --- Read and write AIFF and AIFC files

* 22.3. "sunau" --- Read and write Sun AU files

  * 22.3.1. AU_read Objects

  * 22.3.2. AU_write Objects

* 22.4. "wave" --- 读写WAV格式文件

  * 22.4.1. Wave_read对象

  * 22.4.2. Wave_write对象

* 22.5. "chunk" --- Read IFF chunked data

* 22.6. "colorsys" --- Conversions between color systems

* 22.7. "imghdr" --- Determine the type of an image

* 22.8. "sndhdr" --- Determine type of sound file

* 22.9. "ossaudiodev" --- Access to OSS-compatible audio devices

  * 22.9.1. Audio Device Objects

  * 22.9.2. Mixer Device Objects
