Re: Verifying mixer dB data/Invalid dB data from USB cards, especially Aureon 5.1 MkII

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On 02/17/2010 02:01 PM, Lennart Poettering wrote:
> On Wed, 17.02.10 11:17, Mark Brown (broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx) wrote:
>
>> On Wed, Feb 17, 2010 at 12:56:58AM +0100, Lennart Poettering wrote:
>>
>>> Nah. I actually don't need this value for PulseAudio. In PulseAudio I
>>> chose to shift all scales so that maximum amplification becomes 0 dB,
>>> so that the UIs are similar to how most hifi racks do it, and which I
>>
>> Interesting.  The hifi equipment I've dealt with typically doesn't
>> present any units at all in the UI outside of level monitors.
>
> My old Yamaha hifi rack had a volume dial where the max was labeled 0
> dB and the min setting was -inf dB. My new Yamaha shows the dB level
> on an LCD screen whever you touch the volume dial, and it too goes
> from -inf dB to 0 dB. I kinda assumed that stereos from other
> manufacturers would do the exact same thing, but tbh never checked.

At least some of them do it differently:
http://en.wikipedia.org/wiki/Up_to_eleven

/Mads
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