This tutorial describes how to play a sequence of tones.
You have to configure DevSound for playing a tone sequence.
The following settings can be configured before or during tone play:
To define a period over which the volume rises from 0 to the normal volume level, use the CMMFDevSound::SetVolumeRamp() function.
Note: The CMMFDevSound::SetVolumeRamp() function is only available during tone play.
To set the speaker balance, use the CMMFDevSound::SetPlayBalanceL() function. This function has two parameters:
To set the priority setting for this instance of DevSound to access the audio device, use the CMMFDevSound::SetPrioritySettings() method. Priority settings are used by the Audio Policy component to resolve multiple requests to access the audio hardware.
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