	  

   ()   
     ,    . 
  ,     
     .   
   .   
   .   ,   
      ,   
  .  ,      
, ,        
,    .   ,
      ,     
 .      
1.5- 2      ,     
  1.5- 2     .    
  ,   ,     , .. 
   . 
    :

1.     (1dB  ).  !
2.    .      
       ,      .

  ,    .   , 
  ,      , 
    .

       
  Free air SPL at 1m distance, (SPL     
  1).

  :
* Lower cutoff freq	  
	    .
* Upper cufoff freq	  
	    .
,     (/),   -3dB  
.
* Mean error	 
	   ( dB)     
	  .
* Optimize box Q-value (also rear and front box)	
    Q  (    )
	  ()  (),     
	 - Q  .    
	   .  , 
	   . 
* Show intermediate results	  
	 Free air SPL at 1m distance    
	 .
* Run	
	     .
* Halt	
	     .