On 2015-09-18 15:03, Raymond Yau wrote: > > 2015-9-18 ä¸?å??8:48æ?¼ "David Henningsson" > <david.henningsson at canonical.com > <mailto:david.henningsson at canonical.com>>寫é??ï¼? > > > > The gnome/unity-control-center UIs have a master volume slider, and > > three sub-sliders: balance, fade, and subwoofer. Balance and fade > > use PA's set_balance and set_fade APIs accordingly, but the subwoofer > > slider sometimes does unintuitive things. > > > > In order to make that slider behave better, let's add a LFE balance > > API that these volume control UIs can use instead. With this API, > > the UI can balance between "no subwoofer" and "only subwoofer" with > > "equal balance" in the middle, which would make it more consistent > > with the behaviour of the other sliders. > > > > Will high frequency signal damge the subwoofer ? That's not relevant here - whether or not we can send hfe signals to the subwoofer depends on lfe-crossover-freq, not the potential slider. -- David Henningsson, Canonical Ltd. https://launchpad.net/~diwic
