> On Android I'll turn down the sound only to have an annoying notification sound go off in a meeting because notification volume is still at 100%. I don't und

> On Android I'll turn down the sound only to have an annoying notification sound go off in a meeting because notification volume is still at 100%. I don't understand your problem. On tablets like the Nexus 7 the volume slider is global and muting will mute the device completely. On a phone turning down the ringer volume to vibrate/mute will stop all notification sounds. Only the media volume of the music player and games and whatever is separate.