Re: free Orban loudness meter app now available

In article <20080412-063035.375.0@[EMAIL PROTECTED]
>, donotreply@[EMAIL PROTECTED]
 says...
>
>
>In article <Gd-
>dnQeZiuus0WLanZ2dnUVZ_j6dnZ2d@[EMAIL PROTECTED]
>, 
>arnyk@[EMAIL PROTECTED]
 says...
>
>>I think that this computer may have some problems with DC 
offsets 
>in the 
>>digital domain. Some of the Orban metering code might not 
ignore 
>them.
>
>The meter doesn't block DC. That gives most accurate peak 
>indications because AC coupling introduces tilt into the 
waveform 
>unless the cutoff frequency is lower than around 0.15 Hz.
>
>Moreover, if the meter blocked DC and there was substantial DC 
on 
>the audio, the meter would not detect clipping due to the 
asymmetry.

....that being said, both loudness meters block DC because of the 
highpass part of their equal-loudness contour weighting filters. It 
is the VU and PPM meters that do not block DC.