[alsa-devel] What does 0dB refer to? (Logitech USB Speakers)

[Rene Herman]

On 14-04-08 18:58, Lennart Poettering wrote:

> On Sun, 13.04.08 00:09, Rene Herman (rene.herman at keyaccess.nl) wrote:

>> I believe it can be concluded that there is no "generally good level". ALSA 
>> should ship /usr/share/alsa/cards/<card>.state files which at least lets a 
>> driver author decide on a sensible set of default mixer settings.
> 
> Yet another file that needs to be maintained.

I don't believe this would be a huge problem, but yes, it's a downside.

> Why not export this data like all the other data from the kernel? That
> way other apps (not just alsactl) could make use of this information. 

While I'm not particularly up on the issue, I believe controls which may be 
implemented completely in userspace means you definitely need to go through 
alsa-lib to get _possibly_ sensible results.

Rene.