[wdmaudiodev] Re: Peak Meter in Core Audio APIs
- From: Clemens Ladisch <clemens@xxxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 22 Jun 2010 14:50:39 +0200
Andrew Mindrin wrote:
> Clemens Ladisch wrote:
> > So your proposed formula is now "min + (current_dB - min) * peak"?
> >
> > This would imply that for silence (peak = 0), the current output level
> > is the same as the current volume setting (-96 dB). However, the output
> > level of silence is actually -infinity dB.
>
> Just want to notice that MS used my formula to display picks - TESTED!!!
>
> Why, can you explain that?
I'd guess that having different scales for the slider and for the peak
display would be too confusing, and that converting the linear peak
value to dB or to perceived loudness wasn't deemed worth the effort.
But why are you asking me and not Larry Osterman?
Regards,
Clemens
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