[linux-audio-user] Clipping from USB audio device

[Patrick Shirkey]

Tim wrote:
> Paul Winkler wrote:
> 
>> On Fri, Jun 06, 2003 at 09:37:55AM +0200, Clemens Ladisch wrote:
>>
>>> This would be theoretically possible, but IMHO it's more probable that
>>> your amp produces more than standard line volume, "just to be sure" 
>>
>>
>>
>>
>> Remember also that there are two standards for line level:
>> "pro" (+4) and "consumer" (-10).  THere's about 14 dB difference
>> between them.  I say "about" because IIRC they use different
>> references for 0 dB or something. But "pro" really is a lot louder
> 
> 
> You people really are fountains of knowledge.  Thanks so much for 
> sharing all that with me.  Would it be a fair assumption that I should 
> be using a USB audio device that has mixer controls so I can adjust for 
> these different line volumes?
> 
> FTR, the manual for my amp doesn't specify the line out volume-only says 
> 150mV/1.6kOhms
> 

FWIW Pro is usually 1/4 inch and consumer is RCA.



-- 
Patrick Shirkey - Boost Hardware Ltd.
Http://www.boosthardware.com
Http://www.djcj.org - The Linux Audio Users guide
========================================

Being on stage with the band in front of crowds shouting, "Get off! No! 
We want normal music!", I think that was more like acting than anything 
I've ever done.

Goldie, 8 Nov, 2002
The Scotsman