[pulseaudio-discuss] [PATCH 2/2] volume: Add LFE balance API

[David Henningsson]

On 2015-09-18 15:03, Raymond Yau wrote:
>
> 2015-9-18 下午8:48於 "David Henningsson"
> <david.henningsson at canonical.com
> <mailto:david.henningsson at canonical.com>>寫道：
>  >
>  > 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