Re: Xonar has switched channels on Aux?

[Clemens Ladisch <cladisch@xxxxxxxxxxxxxx>]

Bill Unruh wrote:
> On Sat, 4 Feb 2012, Clemens Ladisch wrote:
>> Abby Cedar wrote:
>>> Is the 0-100% scale linear from -60 dB to 0dB?
>>
>> Before alsamixer 1.0.24, it was.  Since then, the slider position is
>> proportional with the cubic root of the peak amplitude.
>
> Why the cube root? Why not the log, which is what dB is?

Because this is the best approximation of the perceived volume.
<http://www.robotplanet.dk/audio/audio_gui_design/>


Regards,
Clemens

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