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

James Courtier-Dutton james.dutton at gmail.com
Fri Feb 19 12:47:14 CET 2010

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?

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