[BC] Audio levels

[Cowboy]

On Friday 02 May 2008 06:45 pm, Richard Fry wrote:
>  >To those experienced in the art and science of broadcast and telephony, dBm 
>  >has a well-understood meaning, the SI-unit committees in France be damned.
>  __________
>  
>  To this poster, and others responding to my comments on this topic...
>  
>  Each of us is entitled to a personal opinion, and no problem there.
>  
>  However the official position of the National Institute of Standards and 
>  Technology (NIST) in the US supports/requires the use in the US of standard 
>  SI definitions (see http://physics.nist.gov/Pubs/SP811/sec02.html ).

 Being an acronym-challenged neophyte-in-training, may I ask what is SI ?

-- 
Cowboy