[LAU] maximum input level, or normalization and dc offset correction?

Fons Adriaensen fons at linuxaudio.org
Sat Jul 13 11:00:08 UTC 2013


On Fri, Jul 12, 2013 at 09:34:27PM +0100, Harry van Haaren wrote:
 
> http://lac.linuxaudio.org/2011/download/lm-pres.pdf
> 
> The wave is pretty much predictable: until a (strange) *double 1.0* value
> sample appears. The D/A conversion goes crazy, a spike to value of approx
> 3, while the range should be -1 to 1.

This is of course an extreme example. In real life the soup isn't
eaten that hot. 

I use dpl1 as a safety net for most of my work, usually it's set
to -0.5 dB as the allowed peak level. 


Ciao,

-- 
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)



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