Sometimes, on my win 7 OS, I see multiple System Sounds icons in volume mixer. Some of my applications are using SimpleAudioVolume APIs to mute the system sounds. Can anyone tell me why I see multiple "system sounds" icons in Volume Mixer? Thanks in advance!
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You are seeing "system sounds sessions", audio session with special status of system-notification sounds, which Windows distinguishes from other sessions. There might be more than one session of this type at a time. Programmatically, you can identify those sessions using IAudioSessionControl2::IsSystemSoundsSession method.
Roman Ryltsov
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