[alsa-devel] Verifying mixer dB data/Invalid dB data from USB cards, especially Aureon 5.1 MkII

Lennart Poettering mznyfn at 0pointer.de
Fri Feb 19 16:10:13 CET 2010


On Fri, 19.02.10 11:47, James Courtier-Dutton (james.dutton at gmail.com) wrote:

> 
> On 19 February 2010 08:17, Jaroslav Kysela <perex at perex.cz> wrote:
> > On Thu, 18 Feb 2010, Lennart Poettering wrote:
> >
> >>> For the Mic Boost +20dB case , how PA handle this +20dB switch in the "Flat
> >>> Volume" model if you did not expost the Mic Boost switch to the user in the
> >>> mixer control ?
> >>>
> >>> +20dB is quite significant in with the Capture Volume control
> >>
> >> We currently don't cover boost switches, simply because tehre is no dB
> >> data queriable for them.
> >>
> >> I'd really prefer if those boost switches would be turned into binary
> >> volume elements which carry normal dB information like any other
> >> volume element. After all they are just a volume element, with only
> >> two steps.
> >
> > I like this idea.
> >
> 
> Seems like a good idea but what should we call it.
> If we already have a mic capture gain control, what shall we call the
> mic boost gain control so as not to confuse it with each other?
> Would keeping its current name be OK?

Keeping the current names sounds reasonable to me.

Lennart

-- 
Lennart Poettering                        Red Hat, Inc.
lennart [at] poettering [dot] net
http://0pointer.net/lennart/           GnuPG 0x1A015CC4


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