多媒體服務
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此章節所描述的模組 (module) 實作了多種在多媒體服務中相當有用的演算法和
介面，並可在安裝時決定是否要使用它們。以下為綜述：

* "wave" --- 讀寫 WAV 檔案

  * "open()"

  * "Error"

  * Wave_read 物件

    * "Wave_read"

      * "close()"

      * "getnchannels()"

      * "getsampwidth()"

      * "getframerate()"

      * "getnframes()"

      * "getcomptype()"

      * "getcompname()"

      * "getparams()"

      * "readframes()"

      * "rewind()"

      * "getmarkers()"

      * "getmark()"

      * "setpos()"

      * "tell()"

  * Wave_write 物件

    * "Wave_write"

      * "close()"

      * "setnchannels()"

      * "setsampwidth()"

      * "setframerate()"

      * "setnframes()"

      * "setcomptype()"

      * "setparams()"

      * "tell()"

      * "writeframesraw()"

      * "writeframes()"

* "colorsys" --- 顏色系統間的轉換

  * "rgb_to_yiq()"

  * "yiq_to_rgb()"

  * "rgb_to_hls()"

  * "hls_to_rgb()"

  * "rgb_to_hsv()"

  * "hsv_to_rgb()"
