Comment 26 for bug 488103

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Alex Murray (alexmurray) wrote :

@Alexey - indeed I can reproduce both the headphone noise plus the weird muting of LFE and Surround - this sounds like a bug in pulseaudio (since it is muting them in the first place and then not muting them) so I'd file a separate bug about that.

Will have a look at trying to trackdown the static / noise in headphones...

Also LFE is the standard name for subwoofer in ALSA and will likely break lots of things if changed - ie. this is represented by the simple fact that before my patch, the headphones were labelled 'HP' which pulseaudio didnt understand, but simply renaming it to 'Headphone' in my patch makes them controlled with the master volume - so names matter and in this case LFE should definitely not be changed as its basically a standard.