[BC] VU Meters -

Barry Mishkind barry
Thu Nov 10 15:19:27 CST 2005


At 01:30 PM 11/10/2005, cldube wrote
>characteristics are defined by ANSI specification "Volume 
>Measurements of Electrical Speech and Program waves, " C16.5-1942 
>(which is know incorporated into IEC 60268-17). 0 VU is defined to 
>be a level of +4 dBu for an applied sine wave. The VU meter has 
>relatively slow response. It is driven from a full-wave averaging 
>circuit defined to reach 99% full-scale deflection in 300 ms and 
>overshoot not less than 1% and not more than 1.5%. Since a VU meter 
>is optimized for perceived loudness it is not a good indicator of 
>peak performance. Contrast with PPM.
>
>http://www.rane.com/par-v.html
>
>Chuck D (with more pertinent information this time.)

         Indeed you are.   So what is the minimum
         audible change in level?  1 (dB/VU)? 



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