37462e6d   
   XPost: sci.electronics.design   
   From: digilyd@hotmail.com   
      
   Mark wrote:   
      
   >>> Rich   
      
   >> You cannot just stick a microphone and invert the signal and hope it   
   >> will cancel noise. You need to match the amplitudes at different   
   >> frequencies and this requires an adaptive filter.   
      
   >> hardy   
      
   > oh really?   
   > are you sure?   
   > have you tried it?   
      
   Literature: Tales from the White Hart.   
      
   > Mark   
      
     Kind regards   
      
     Peter Larsen   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)