STANDARD VOLUME INDICATOR AND REFERENCE LEVEL 107 



uses. In either case, on the average, half of the listeners will hear 

 distortion when the program is loudest. However, this result would 

 probably be considered too poor, so suppose the maximum level is 

 lowered 3.5 decibels. Referring to the curves, it is seen that if the 



-2-1 I 2 



VOLUME LEVEL IN DECIBELS 



Fig. 5- 



-Comparison of peak vs. r-m-s volume indicators as overload 

 indicators (using W.E. 94B amplifier). 



