XPost: rec.audio.pro   
   From: kludge@panix.com   
      
   In article , Randy Yates   wrote:   
   >> No. There's an informal standard used in the film industry and in many   
   >> broadcast applications of +4dBu = -20dBFS, but it's never been   
   >> codified as an official standard. The informal standard, though, is (I   
   >> believe) based on an rms scale -- in other words, a tone that would   
   >> read 0 VU on a VU meter calibrated to +4dBu would be -20dBFS. Correct   
   >> me if I'm wrong on that last bit, but that's what I think is the case.   
   >   
   >There seems to be no universal agreement, but you are close to what this   
   >guy says (under "Here come the numbers..."):   
   >   
   >  +22dBu = 0dBFS ==> +4dBu = -18dBFS.   
   >   
   >I'm still not sure if that's FS sine or FS square.   
      
   That's assuming a sine wave.   
      
   Unfortunately if you use that standard and you record a trumpet with peaks   
   at 0 dBu, you'll clip the hell out of your converters.   
      
   This is because trumpets aren't making sine waves.   
   --scott   
      
   --   
   "C'est un Nagra. C'est suisse, et tres, tres precis."   
      
   --- SoupGate-Win32 v1.05   
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