[linux-audio-user] what is DC? [was Re: Analyzing ogg files]

[Reuben Martin]

Heh. I didn't read the email carefully. I wrote thinking you were asking what a DC offset is rather than about the context it was used in. :)

regards
-Reuben

> Thank you Reuben.
> 
> -Eric Rz.
> 
> On Wed, Dec 03, 2003 at 11:23:50AM -0600, Reuben Martin wrote:
> > DC offset is when there is a Direct Current running over 
> the same lines that audio runs through. Since sound signals 
> are a type of Alternating Current, the addition of the DC 
> tends to shift, or offset, the audio signal.
> > 
> > regards
> > -Reuben
> > 
> > 
> > What is DC offset in this context? I've seen this term on this list
> > before, but don't really understand what it means.
> > 
> > Is this the same thing refered to by the ecasound options 
> -ezf and -ezx?
> > 
> > -ezf
> >     Finds the optimal value for DC-adjusting. You can use 
> the result as
> >     a parameter to -ezx effect.
> > 
> > -ezx:channel-count,delta-ch1,...,delta-chN
> >     Adjusts the signal DC by 'delta-chX', where X is the 
> channel number.
> >     Use -ezf to find the optimal delta values.
> > 
> > or is that a different DC?
> > 
> > -Eric Rz.
>