Sound Class
The Sound class is the abstract subclass of the MultiMediaType class that contains the properties and methods for the sound multimedia type. The internal speaker or sound card is initiated when the Sound object invokes the play method.
As you cannot create an instance of an abstract class, define your own Sound subclass with the appropriate user data file mapping and then create the instance of your new subclass that you require. You can create persistent subclass instances.
Sound files are recorded and edited by using the Windows sound recorder. This standard Windows utility is normally installed in the Accessories program folder. You can also purchase libraries of sound files from third‑party vendors.
Sound files can be played on a workstation only if a compatible sound card is installed.
For details about the properties and methods defined in the Sound class, see "Sound Properties" and "Sound Methods", in the following subsections.
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