[linux-audio-user] [OT] recording levels (mismatch)

[Christophe Vescovi]

Anahata a écrit :

> On Wed, Oct 13, 2004 at 09:24:02AM +0200, Christophe Vescovi wrote:
> 
>>output impedance of at least 1K. The Line in full scale output is 
>>however 1.5Veff. Since -10dBV = 0.32Veff and +4dBu = 0.775 Veff
> 
> 
> No, 0dBu is 0.775V and +4dBu is 1.23Vrms which is close to the 
> specified input of the SB.
> Looks like it's nominal +4dBu input, which would explain everything.
> 

Right !! I should have take my coffee before writing this ;-)
Christophe