Symbian
Symbian OS Library

SYMBIAN OS V9.3

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Sound Control

Use of sound is one of several ways that the Alarm Server notifies the user. By configuring sound the Alarm Server is able to:

The sound play definition (TASCliSoundPlayDefinition) is set using the RASCliSession class. Alarm sounds are played according to intervals that consist of a duration and an offset. The TASCliSoundPlayDefinition class defines when alarm sounds are to be played, and for how long. The duration is the number of seconds that the alarm sound plays. The offset is the number of minutes after the alarm expires that the alarm sound plays.


Alarm Play Intervals

As shown below, alarm play intervals consist of a duration and an onset. At each offset, the Alarm Server makes a request to the Alarm Alert Server to show the alarm and play the alarm sound. At the end of each duration period, the Alarm Server makes a request to the Alarm Alert Server to hide the alarm and stop playing the alarm sound.

ALARM PLAY INTERVALS

ALARM PLAY INTERVALS