I'm going to mark this as "Opinion" because I think the behavior described here is by design. There is a matrix of media profiles and outputs that effects *which* volume is used. Basically media play back and alarms (default when media isn't playing) have different volumes. So when medias not playing, by pressing your hardware keys you're adjusting the alarm volume. When it is playing, you're adjusting the multimedia volume. The indicator shows the current volume profile being used.
https://wiki.ubuntu.com/Sound#Indicator_and_menu ** Changed in: indicator-sound (Ubuntu) Status: New => Opinion -- You received this bug notification because you are a member of DX Packages, which is subscribed to indicator-sound in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1355995 Title: sound plays on speakers even when sound indicator is set to zero Status in indicator-sound package in Ubuntu: Opinion Bug description: Steps: 1. Turn sound via sound indicator to zero 2. Open the music app and start playing a song Result: the song plays Expected: You cannot hear the song Note that if you adjust the volume via the hardware buttons, the indicator visibly changes, but the volume does not. This is image 185 on Krilin To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/indicator-sound/+bug/1355995/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp
